Amicus Curiae Brief — St. Mary Catholic Parish, Littleton, Colorado, et al., Petitioners v. Lisa Roy, in Her Official Capacity as Executive Director of the Colorado Department of Early Childhood, et al.

Supreme Court briefJul 2, 2026

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No. 25-581

IN THE

Supreme Court of the United States

ST. MARY CATHOLIC PARISH, LITTLETON, COLORADO,

ET AL.,

v.

Petitioners,

LISA ROY, IN HER OFFICIAL CAPACITY AS EXECUTIVE

DIRECTOR OF THE COLORADO DEPARTMENT OF EARLY

CHILDHOOD, ET AL.,

Respondents.

On Writ of Certiorari to the United States

Court of Appeals for the Tenth Circuit

Brief Of Amici Curiae Stephanie Barclay And

Mark Storslee In Support Of Petitioners

MATT GREGORY

Counsel of Record

ALY COX

JESSE SCHUPACK

LAURA STANLEY

Gibson, Dunn & Crutcher LLP

1700 M Street, N.W.

Washington, D.C. 20036

(202) 955-8500

mgregory@gibsondunn.com

Counsel for Amici Curiae

i

Table Of Contents

Interest of Amici Curiae.............................................. 1

Introduction and Summary of Argument ................... 1

Argument ..................................................................... 5

I.

Disestablishment prohibited coerced

tithes, not funding for religious schools ............... 5

II. Historical evidence confirms that the Free

Exercise Clause forbids the government

from denying otherwise available support

based on religion or its exercise ......................... 11

A. Early controversies demonstrate that the

Free Exercise Clause prohibits refusing

funds based on religion or its exercise ........... 12

B. Later deviations from these principles

reflected Protestant majoritarianism and

anti-Catholic bigotry, not the original

understanding of the Free Exercise Clause .. 17

III. The Court should approach the First

Amendment’s application to schoolfunding disputes consistent with the

original meaning of the Free Exercise

Clause .................................................................. 20

A. Carson faithfully applies the original

understanding of the Free Exercise Clause

to today’s government programs .................... 21

B. Even without specific historical analogues,

Carson faithfully applies the original

meaning and purpose of the Free Exercise

Clause.............................................................. 24

Conclusion ................................................................. 29

ii

Table Of Authorities

Page(s)

Cases

Carson v. Makin,

596 U.S. 767 (2022) .......................................... 1, 22

Espinoza v. Montana Dep’t of Revenue,

591 U.S. 464 (2020) ................................ 1, 4, 19, 23

Fulton v. City of Philadelphia,

593 U.S. 522 (2021) .............................................. 27

Kanter v. Barr,

919 F. 3d 437 (7th Cir. 2019) ............................... 28

Lemon v. Kurtzman,

403 U.S. 602 (1971) .............................................. 21

Locke v. Davey,

540 U.S. 712 (2004) .............................................. 28

Mitchell v. Helms,

530 U.S. 793 (2000) .............................................. 20

United States v. Hemani,

No. 24-1234, 608 U.S. ___

(U.S. June 18, 2026) ............................................. 28

Wolford v. Lopez,

No. 24-1046, 609 U.S. ___

(U.S. June 25, 2026) ............................................. 23

Statutes & Constitutional Provisions

Act of Apr. 1782, ch. VIII Md. Laws ........................... 8

iii

Page(s)

Act of Dec. 13, 1787, ch. XCVI .................................... 8

Act of Dec. 31, 1787, ch. XCV ...................................... 8

Act of Mar. 1, 1802, ch. MMCCXLVII,

17 Statutes at Large of Pennsylvania

81 (1915) ................................................................. 9

Act of Mar. 12, 1813, ch. LII, § IV, 1813

N.Y. Laws 53 ........................................................ 14

An Act for Establishing Religious

Freedom (1786) ...................................................... 8

N.Y. Const. of 1777, art. XXXVIII ............................ 13

Other Authorities

A Treaty Between the United States of

America and the Kaskaskia Tribe of

Indians, Kaskaskia Tribe-U.S., 7

Stat. 78 (1803) ...................................................... 10

Alexander Hamilton, Remarks on the

Quebec Bill: Part Two, Rivington’s

N.Y. Gazetteer, June 22, 1775 ............................... 6

Brief of Historians and Legal Scholars

as Amici Curiae in Support of

Respondent, Oklahoma Statewide

Charter Sch. Bd. v. Drummond, Nos.

24-394 & 24-396 (U.S. Apr. 7, 2025) ..................... 2

Charles L. Glenn, The American Model

of State and School (2012) ............................. 18–20

iv

Page(s)

Cong. Reg. (June 8, 1789) in

Documentary History of the First

Federal Congress of the United

States of America, March 4, 1789March 3, 1791 (Charlene Bangs

Bickford et al. eds., 1992) .................................... 25

Douglas Laycock, Churches,

Playgrounds, Government Dollars—

and Schools?, 131 Harv. L. Rev. 133

(2017) ................................................................ 5, 20

James Madison, Memorial and

Remonstrance Against Religious

Assessments (June 20, 1785) in The

Papers of James Madison (William

T. Hutchinson eds., 1973) .................................. 6–7

James Madison, Speech in Congress

Proposing Constitutional

Amendments (June 8, 1789) in

James Madison: Writings (Jack N.

Rakove ed., 1999) ................................................. 25

James Murray, The History of Religion:

Particularly of the Principal

Denominations of Christians

(London, C. Henderson et al. 1764) ....................... 6

Leo Raymond Ryan, Old St. Peter’s: The

Mother Church of Catholic New York

(1795–1935) (1935) ............................................... 14

v

Page(s)

Letter from James Madison to John

Carroll (July 20, 1804) in Peter

Guilday, The Life and Times of John

Carroll 1735-1815 (1922) ..................................... 15

Letter from Thomas Jefferson to the

Ursuline Nuns of New Orleans (July

13, 1804) in The Papers of Thomas

Jefferson (James P. McClure,

Martha J. King, Tom Downey, W.

Bland Whitley, Andrew J.B. Fagal,

& Merry Ellen Scofield eds., 2019) ................ 16–17

Mark Storslee, Church Taxes and the

Original Understanding of the

Establishment Clause, 169 U. Pa. L.

Rev. 111 (2020) ............................................. 5, 7–11

Mark Storslee, Free Exercise and

Funding, 101 Notre Dame L. Rev.

101 (2026) (forthcoming) ...................... 2, 11–23, 29

Mark Storslee, History and the School

Prayer Cases, 110 Va. L. Rev. 1619

(2024) .................................................................... 26

Memorial of Trustees of the

Congregation of Shearith Israel to

Legislature of the State of N.Y.

(Jan. 10, 1813) .......................................... 13, 15, 22

vi

Page(s)

Michael McConnell, Douglas Laycock,

Stephanie Barclay, & Mark Storslee,

The Court Shouldn’t Bruen-ize the

Free Exercise Clause, The Volokh

Conspiracy (Mar. 8, 2025).............................. 24–27

Michael W. McConnell, The Origins &

Historical Understanding of Free

Exercise of Religion, 103 Harv. L.

Rev. 1409 (1990) ................................................... 27

Nathan S. Chapman, Forgotten FederalMissionary Partnerships: New Light

on the Establishment Clause, 96

Notre Dame L. Rev. 677 (2020) ........................... 10

St. George Tucker, Blackstone’s

Commentaries: With Notes of

Reference to the Constitution and

Laws of the Federal Government of

the United States and the

Commonwealth of Virginia (1803) ...................... 24

Stephanie Barclay, Hemani: Proving the

Reason, Not Just Naming It,

SCOTUSBlog (June 22, 2026) ............................. 27

Stephanie Barclay, Making Laws for the

Human Mind: The Founding, Free

Exercise, and Parental Rights after

Mahmoud and Mirabelli

(forthcoming in Cornell L. Rev. 2026) ................. 24

vii

Page(s)

Stephanie Barclay, Spheres of Liberty

and Free Exercise: Lessons for Fulton

from Jefferson’s Correspondence with

Ursuline Nuns, The Volokh

Conspiracy (Nov. 2, 2020) .................................... 17

Stephanie H. Barclay, Brady Earley &

Annika Boone, Original Meaning

and the Establishment Clause: A

Corpus Linguistics Analysis, 61 Ariz.

L. Rev. 505 (2019) .............................................. 5–6

Stephanie H. Barclay, Replacing Smith,

Yale L.J. F. 436 (2023) ................................... 27–28

Stephanie Hall Barclay, Constitutional

Rights as Protected Reasons, 92 U.

Chi. L. Rev. 1179 (2025) ...................................... 28

Stephanie Hall Barclay, Constructing

Constitutional Rights, 138 Harv. L.

Rev. F. 140 (2025) .................................... 23, 25–26

Transcript of Oral Argument,

Oklahoma Statewide Charter Sch.

Bd. v. Drummond, Nos. 24-394 & 24396 (Apr. 30, 2025) ............................................... 23

1

Interest of Amici Curiae

Amici are legal scholars who have researched and

written extensively on the original meaning of the Religion Clauses of the First Amendment. Stephanie

Barclay (Georgetown Law) and Mark Storslee (University of North Carolina School of Law) both teach,

research, and publish in the fields of constitutional

history and religious freedom. Amici are committed

to a view of free exercise that protects all religious individuals and institutions and seeks to reconcile this

Court’s jurisprudence with the original meaning and

purpose of the Free Exercise Clause.1

Introduction and Summary of Argument

This Court has recently and repeatedly held that

once a state decides to “subsidize private education,”

the Free Exercise Clause commands that the state

“cannot disqualify some private schools solely because

they are religious” or exclude schools “on the basis of

their religious exercise.” Carson v. Makin, 596 U.S.

767, 785, 789 (2022) (quoting Espinoza v. Montana

Dep’t of Revenue, 591 U.S. 464, 487 (2020)). This

Court has also held that the Establishment Clause

does not prohibit including religious schools in neutral

funding programs. Id. at 781. Amici write to provide

the Court additional information about the original

meaning of the Free Exercise Clause relevant to this

case, and to rebut mistaken characterizations of that

history that have been brought before this Court.

1 Pursuant to Supreme Court Rule 37.6, counsel for amici states

that no counsel for a party authored this brief in whole or in part,

and no person or entity other than amici or their counsel made a

monetary contribution to this brief’s preparation or submission.

Academic affiliations are provided for identification purposes

only.

2

In a recent case, a group of scholars contended

that during the Founding and antebellum periods,

state and local governments often declined requests

from religious schools for public funding and were understood to be entitled to do so within the boundaries

of free exercise. Brief of Historians and Legal Scholars as Amici Curiae in Support of Respondent, Oklahoma Statewide Charter Sch. Bd. v. Drummond, Nos.

24-394 & 24-396 (U.S. Apr. 7, 2025) at 9–17. They argued “that ‘denial of funding was thought to be consistent with constitutional free-exercise principles

even by religious school leaders themselves,’ and thus,

outside the scope of the Free Exercise Clause today.”2

That argument rests on an incomplete account of

the historical record. As a starting place, the Founders did not view public funding of religious schools as

a form of religious establishment. But even more, the

best reading of the historical record refutes the idea

that Founding-era Americans understood the Free

Exercise Clause to permit the government to withhold

funding or other public benefits based on religion or

its exercise.

I. The story begins with disestablishment. At and

around the time of the First Amendment’s ratification, nearly every state that ended church taxes (consistent with the principles underlying the Establishment Clause) continued to provide financial support

to religious schools. Church taxes involved using coercive power to fund religion qua religion, in a way

equivalent to coerced tithes and thus coerced religious

2 Mark Storslee, Free Exercise and Funding, 101 Notre Dame L.

Rev. 101, 104 (2026) (forthcoming, available at https://papers.

ssrn.com/sol3/papers.cfm?abstract_id=6978698) (quoting Brief of

Historians, supra, at 17).

3

exercise. But where religious institutions provided

public services like education, Founding-era Americans understood funding for those endeavors as different in kind than coercive religious assessments, even

if schools may have also used the funds for religious

activities. This same pattern held true across northern, middle, and southern states, the federal government, and schools affiliated with majority and minority religions.

II. The early history surrounding free exercise is

the flip side of the coin and suggests a symmetrical

understanding of the Establishment and Free Exercise Clauses. Just as government could not extract

funds solely to fund religion in a way that resembled

a religious tithe, neither could it deny subsidies or

other forms of assistance based on a recipient’s religious practice.

A. In the early republic, efforts to selectively exclude some religious schools from funding or other

forms of aid were rare. When they did arise, however,

Founding-era Americans firmly rejected those efforts.

In New York, for instance, a Jewish school protested and prevailed after arguing that attempts to

deprive denominational schools of funding violated

the state’s free-exercise clause by conditioning funding on “a distinction in religious worship.” And

around the same period, James Madison and Thomas

Jefferson articulated a similar understanding, assuring a group of nuns that the “principles of the constitution” precluded denying them government support,

“whatever diversity of shade may appear in the religious opinions of our fellow citizens.” This evidence is

not without ambiguity. But on the best reading of the

historical record, the evidence suggests that Founding-era Americans viewed disestablishment and free

4

exercise as complementary: Just as government was

forbidden from extracting funds solely to finance religion, so it was also forbidden from denying funding

where the denial was based on religion or its exercise.

B. Later in the nineteenth century, religious conflict and anti-Catholic bigotry eclipsed these earlier

understandings. As the common-school movement

gained momentum, Protestant majorities began to argue that funding so-called “sectarian” schools was a

form of religious establishment, even though their

own schools conducted Protestant Bible reading and

religious exercises while receiving government funds.

And eventually, those majorities successfully leveraged those arguments to deny funding to Catholic

schools and those of other religious minorities.

Those developments were clear deviations from

the original meaning of the Establishment and Free

Exercise Clauses. And they took root over the repeated objection of Catholics and others, who continued to espouse the original understanding of their

right to free exercise. As such, nineteenth-century

history “born of bigotry” provides no legitimate basis

to support states’ violations of the free-exercise rights

of religious schools today. Espinoza, 591 U.S. at 482

(citation and internal quotation marks omitted).

III. On the best reading of the evidence, Founding-era history supports the Court’s holding in Carson

and the application of Carson’s principles to this case.

But even absent specific historical analogues, Carson

and the principles it announced would still be a faithful effort to apply the original meaning of the Free Exercise Clause to new circumstances. At the Founding,

government funded almost nothing in the private sector. But today, subsidies and other government bene-

5

fits create powerful tools to influence behavior. Denying states the ability to condition those benefits on religion or its exercise preserves the Constitution’s ban

on punishing or discouraging religious practice today.

Argument

I.

Disestablishment

prohibited

coerced

tithes, not funding for religious schools.

The historical record establishes a widespread

and unobjected-to practice of funding religious schools

around the time of the Founding. That practice was

principled and reflected a basic conviction: while coercing individuals to effectively pay a tithe was prohibited, funding other goods was not, even if recipients might use the money for something religious.

At the Founding, overwhelming historical evidence demonstrates that Americans who opposed religious establishments principally objected to religious assessments and taxes that were earmarked for

religious functions. The Establishment Clause prohibited schemes that funded religion qua religion—especially coercive exactions of money solely to finance

the religious function of ministers and churches.3 Exactions like those effectively coerced a type of religious

observance. Indeed, church taxes were explicitly described as problematic coerced tithes by multiple observers at the Founding. See Barclay et al., Original

Meaning and the Establishment Clause, supra, at

3 Mark Storslee, Church Taxes and the Original Understanding

of the Establishment Clause, 169 U. Pa. L. Rev. 111, 182–83

(2020); Stephanie H. Barclay, Brady Earley & Annika Boone,

Original Meaning and the Establishment Clause: A Corpus Linguistics Analysis, 61 Ariz. L. Rev. 505, 550–51 (2019); Douglas

Laycock, Churches, Playgrounds, Government Dollars—and

Schools?, 131 Harv. L. Rev. 133, 144–45 (2017).

6

548–49. These descriptions of coerced tithes were

equated to one type of “establishment of religion.” Id.

In 1764, for example, James Murray described

church taxes paid in the early colonies as a burdensome “tithe[]” that dissenters from the established

church “could not conscientiously pay, and for the refusal of which they have so greatly suffered.” Barclay

et al., Original Meaning and the Establishment

Clause, supra, at 544 (citing 4 James Murray, The

History of Religion: Particularly of the Principal Denominations of Christians 240 (London, C. Henderson

et al. 1764)).

Alexander Hamilton in 1775 similarly described

these taxes as a type of tithe to the “established

church.” Barclay et al., Original Meaning and the Establishment Clause, supra, at 549 (citing Alexander

Hamilton, Remarks on the Quebec Bill: Part Two, Rivington’s N.Y. Gazetteer, June 22, 1775, reprinted in

Founders Online, https://founders.archives.gov/documents/Hamilton/01-01-02-0059).

Hamilton also

pointed to an additional constitutional issue with

them: government assessment of tithes involved interference with church affairs by determining

whether the church was “owed” the tithe by parishioners or not. Id.

And concern about coerced religious tithes seems

to have been a central part of Madison’s objection to

the religious assessments proposed in Patrick Henry’s

bill that led to his famous Memorial and Remonstrance. Barclay et al., Original Meaning and the Establishment Clause, supra, at 512, 518 (citing James

Madison, Memorial and Remonstrance Against Religious Assessments ¶¶ 3–4 (June 20, 1785), in 8 The

Papers of James Madison 295, 298–304 (William T.

7

Hutchinson eds., 1973)); Storslee, Church Taxes, supra, at 125–28. Madison described the bill as imposing a “compulsive support” of religious teachers that

should “depend[] on the voluntary rewards of their

flocks.” Madison, Memorial and Remonstrance, supra, ¶¶ 4, 7. In other words, coercing the religious observance of a tithe was closely associated with both an

established religion and simultaneously a violation of

religious exercise.

In contrast to those specific and problematic types

of church taxes, where a program served a public good

and “d[id] not treat the religious aspect of a beneficiary’s conduct as an independent basis for funding,”

it was not seen as a coerced tithe, and thus was not an

establishment of religion. Storslee, Church Taxes, supra, at 119, 182–83.

In the years surrounding the ratification of the

First Amendment, virtually every state that ended

church taxes also provided tax money to religious

schools—including schools directly affiliated with

churches. Storslee, Church Taxes, supra, 150–63.

“Yet as far as we know, proponents of religious freedom did not object to that practice.” Id. at 118. “Rather, they seem to have actively supported it.” Id.; see

also id. at 147–50. And the same was true of the federal government after the Establishment Clause was

ratified. Id. at 163–69.

In Virginia, where resistance to church taxes was

the fiercest, the legislature passed Thomas Jefferson’s

“Bill for Establishing Religious Freedom”—which prohibited compelling anyone to “support any religious

worship, place, or ministry whatsoever”—and then

continued to fund religious schools seemingly without

8

comment or controversy.4 But “no one argued” that

this funding “violated Jefferson’s bill” because there

appears to have been no perceived “conflict between

them.” Storslee, Church Taxes, supra, at 133. Rather

than a “targeted effort to finance worship,” the program “provid[ed] educational opportunity to a rural

part of the state.” Id. Such a program “did not force

anyone to ‘support’ religion in a way the law actually

prohibited.” Id.

The same pattern unfolded across the country. In

Maryland, where opponents of a general assessment

had condemned church taxes as “robbery for burnt offerings,” the legislature continued to fund Washington

College—“a school authorized to instruct students in

subjects ‘useful … for the service of their country in

church and state,’ including divinity”—without objection. Storslee, Church Taxes, supra, at 151–53 (quoting Act of Apr. 1782, ch. VIII Md. Laws). Later, in

1819, the state provided funding to two Protestant

Sunday schools and a Roman Catholic school for orphans alike; “[a]ll three provided religious instruction

and worship, but received funds as a matter of

course.” Id. at 153–54. And in 1826, the legislature

passed a measure declaring that the school fund for

Frederick County be “dispersed to the pastor of St.

John Catholic church for the use of the church’s female free school.” Id. at 154.

4 See Storslee, Church Taxes, supra, at 129 (quoting An Act for

Establishing Religious Freedom (1786)); id. at 130 (citing Act of

Dec. 13, 1787, ch. XCVI) (1787 Virginia legislature ordering onesixth of the surveyor fees collected in the district of Kentucky to

be redirected to Transylvania Seminary, a Presbyterian school);

id. at 131 (citing Act of Dec. 31, 1787, ch. XCV) (1787 Virginia

legislature awarding portion of surveyor fees to Randolph Academy, a Presbyterian school).

9

Practice in the other southern states confirms

that same understanding. In North Carolina, church

taxes ended in 1776, but soon thereafter the legislature transferred an Episcopal church built with taxpayer funds to a Presbyterian academy. Storslee,

Church Taxes, supra, at 155. A “similar pattern” occurred in the remaining southern states, South Carolina and Georgia. Id. at 156–57.

The middle states followed the same practice.

New York, New Jersey, Delaware, and Pennsylvania

all banned church taxes but continued to use government funds for religious education. New York, for example, ended its church tax in the established Anglican counties in 1777. Storslee, Church Taxes, supra,

at 157. But starting in 1795, New York provided annual funding for education, and the legislature specifically named religious entities, including the Episcopal church, the Presbyterian church, and the Baptist

church, as beneficiaries. Id. at 158. New York later

extended school funds to a Catholic school and school

run by the Shearith Israel Congregation, a Jewish

synagogue. Id.; infra at 12–15.

Delaware and New Jersey explicitly banned

church taxes in their post-Revolutionary constitutions, yet they too funded religious schools. Storslee,

Church Taxes, supra, at 161. And in Pennsylvania,

the state enacted what was likely the country’s first

voucher program, allowing poor families to send their

children to “any school in their neighborhood”—including church schools—with the government reimbursing the cost. Id. at 162 (quoting Act of Mar. 1,

1802, ch. MMCCXLVII, § 1, 17 Statutes at Large of

Pennsylvania 81, 81 (1915)).

The consistency and breadth of this evidence suggest that “[f]unding for religious schools was not a

10

mistake, or explainable by a lack of resolve.” Storslee,

Church Taxes, supra, at 163. Funding for religious

schools “was done even in states like Virginia and

Pennsylvania where resistance to church taxes was

especially strong.” Id. “Judged by their practice, citizens in these states believed that” requiring taxpayers

to pay a tax solely used to fund “an institution’s religious function was prohibited”—“[b]ut the same was

not true of programs providing funds for things like

education, even if recipients might also use those

funds for religion.” Id.

The federal government continued the same practice. “Less than a year after the Establishment Clause

was ratified, the Washington administration authorized payment of $1,500 annually to support a Presbyterian school among the Iroquois and Stockbridge Indians.” Storslee, Church Taxes, supra, at 168. And

under President Jefferson, the federal government

provided annual payments for a Catholic priest to instruct Native American children “in the rudiments of

literature” while carrying out “the duties of his office.”

Id. (quoting A Treaty Between the United States of

America and the Kaskaskia Tribe of Indians,

Kaskaskia Tribe-U.S., art. III, Aug. 13, 1803, 7 Stat.

78, 78–79 (1803)). Congress continued funding religious schools among the tribes that were supervised

by Methodists, Baptists, Presbyterians, Episcopalians, Quakers, and Catholics alike, “more or less uninterrupted until as late as 1870.” Id. at 168–69; see also

Nathan S. Chapman, Forgotten Federal-Missionary

Partnerships: New Light on the Establishment Clause,

96 Notre Dame L. Rev. 677 (2020).

Nor was this federal practice limited to Indian territories. “In 1804, Congress ordained a municipal government for Washington, D.C. and provided it with

11

authority to” establish schools. Storslee, Church

Taxes, supra, at 164. Under that delegated authority,

and across the next several decades, the city provided

support to a Lancasterian school, Presbyterian

schools, and a Catholic school without a record of anyone raising an Establishment Clause objection. Id.

at 164–66.

In short, “providing funds to support a public good

like education was well within the government’s

power” at the Founding. Storslee, Free Exercise and

Funding, supra, at 108.

II. Historical evidence confirms that the Free

Exercise Clause forbids the government

from denying otherwise available support

based on religion or its exercise.

The historical record also suggests that denying

funds to religious schools based on religion or religious

exercise was understood to violate the Free Exercise

Clause. By all indications, efforts to exclude religious

organizations from funding or other benefits were rare

in the years immediately surrounding the Founding.

But the early historical examples that exist point toward a “symmetr[y]” between early understandings of

free exercise and disestablishment. Storslee, Free Exercise and Funding, supra, at 104. Just as the government could not provide funds solely to support religious observances, neither could the government refuse otherwise available support for goods like education based on religion or its exercise.

Developments later in the nineteenth century

broke that unity apart. Protestant efforts to establish

common schools and anti-Catholic animus prompted

a movement to defund so-called “sectarian” schools

while retaining funding for schools run by the

12

Protestant majority. That movement was inconsistent with the earliest understandings of disestablishment and free exercise. And as such, it provides

no proper guide for interpreting the First Amendment

today.

A. Early controversies demonstrate that

the Free Exercise Clause prohibits refusing funds based on religion or its exercise.

Founding-era controversies over selective funding

demonstrate the early American understanding of

symmetry between disestablishment and free exercise. On this understanding, government lacked the

power to fund religious exercise for its own sake. But

it also lacked the power to deny funding supporting

education or other public goods where the reason for

denying funding was a recipient’s religion or the recipient’s religious exercise. See Storslee, Free Exercise

and Funding, supra, at 104.

“The earliest and most notable episode involving

free exercise and funding occurred in New York.”

Storslee, Free Exercise and Funding, supra, at 110.

As described above, the New York legislature began

providing funds to support schools “without regard to

their religious persuasions” as early as 1795. Id. In

the early years, those funds were disbursed “equally

to schools run by Baptists, Presbyterians, Episcopalians, and others.” Id. In 1806, the legislature started

to “extend[] that benefit to” New York City’s “religious

minorities”—specifically, to a Catholic school and a

school “operated by the Shearith Israel Congregation,

the country’s oldest Jewish synagogue.” Id.

“[N]ot everyone was satisfied with that arrangement.” Storslee, Free Exercise and Funding, supra, at

13

110. The New York Free School Society “had operated

schools alongside the city’s denominational schools”

since 1805. Id. at 111. The Free Schools were nonsectarian, but not secular: they “aimed to ‘inculcate the

sublime truths of religion and morality contained in

the Holy Scriptures,’ but ‘without observing the peculiar forms of any religious Society.’” Id. (quoting the

Society’s 1805 address to the public). In 1812, the

Free School Society “began a campaign to discontinue

state financial support for denominational schools,”

seeking “exclusive control of education funds in New

York City.” Id.

Shearith Israel contested this campaign by appealing to the state’s free-exercise clause. Among

other provisions, New York’s 1777 constitution guaranteed “the free exercise and enjoyment of religious

profession and worship, without discrimination or

preference.” N.Y. Const. of 1777, art. XXXVIII.

Shearith Israel argued that, under that provision, the

Free School Society “was ‘justly entitled to a share of

the interest of the School Fund, in common with other

Charity Schools in this city,’” but that the Society had

“‘no claim … to the exclusive patronage of the state

bounty.’” Storslee, Free Exercise and Funding, supra,

at 111–12 (quoting Memorial of Trustees of the Congregation of Shearith Israel to Legislature of the State

of N.Y. at 92–93 (Jan. 10, 1813)). According to

Shearith Israel, such a proposal was “at variance with

the liberal spirit of our constitution, which recognizes

no distinction in religious worship.” Memorial of

Trustees of the Congregation of Shearith Israel, supra, at 95.5

5 A “memorial” in this context is a formal petition or letter to a

legislature.

14

Shearith Israel’s appeal to free exercise shared

strong parallels with arguments made by New York

City’s Catholics just a few years earlier. Storslee, Free

Exercise and Funding, supra, at 113. In 1806, Catholic leaders associated with St. Peter’s Church (New

York City’s only Catholic parish at the time) protested

the state’s test oath for public officials, “which required renouncing allegiance to every foreign monarch or potentate ‘in all matters ecclesiastical as well

as civil’ as a condition for holding office.” Id. at 112–

13. The oath’s language “had the clear effect of forcing

Catholics either to perjure themselves or renounce

their allegiance to the pope in order to serve in government.” Id. at 113. A letter from Catholic leaders

to the legislature argued that “the test-oath violated

the ‘liberal principle’ of the state’s free-exercise

clause, by operating as an ‘oppressive disqualification[] on the score of religion.’” Id. (quoting Leo Raymond Ryan, Old St. Peter’s: The Mother Church of

Catholic New York (1795–1935) 84–85 (1935)).

“Shearith Israel’s memorial offered a parallel, nearly

verbatim argument, now in the context of school

funds.” Id. at 113.

Shearith Israel’s position prevailed in the legislature. Having considered Shearith Israel’s memorial

alongside others, the New York legislature rejected

the Free School Society’s proposal and instead mandated funds for schools on a per capita basis. Storslee,

Free Exercise and Funding, supra, at 113. “And in the

final version of the law, the legislature went even further—mandating funds not only for existing denominational schools in the city, but also for other denominational schools that might be established in the future.” Id. (citing Act of Mar. 12, 1813, ch. LII, § IV,

1813 N.Y. Laws 53, 54–55).

15

To our knowledge, the controversy over school

funds in New York represents the earliest effort anywhere in the country to deny government funds to

church- or synagogue-run schools. And at minimum,

this episode “suggests that, far from viewing selective

funding as ‘consistent with constitutional free-exercise principles,’ at least some (and likely many) supporters of denominational schools in this period believed something closer to the opposite.” Storslee,

Free Exercise and Funding, supra, at 114. Rather

than validating selective funding, this episode indicates that on the earliest understanding, free exercise

stood against denials of funding or other benefits that

were premised on “a distinction in religious worship.”

Memorial of Trustees of the Congregation of Shearith

Israel, supra, at 95.

And indeed, at least one additional “early episode”

reflects similar principles. Storslee, Free Exercise and

Funding, supra, at 114. When New Orleans became

part of the United States following the Louisiana Purchase in 1803, Catholic nuns in the Ursuline Order

who operated a free school for destitute children wrote

to John Carroll, America’s first Catholic bishop, about

the “status of the school and its property.” Id. at 114–

15. The Ursuline nuns were particularly concerned

that their land may have passed to the federal government or be subject to federal confiscation. Carroll

“promptly passed along their concerns to James Madison, then Secretary of State,” who assured the nuns

that President Jefferson “fully supported ‘the public

benefit’” of their school, “a sentiment that applied ‘to

those of all religious persuasions.’” Id. at 115 (quoting

Letter from James Madison to John Carroll (July 20,

1804), reprinted in 2 Peter Guilday, The Life and

Times of John Carroll 1735–1815, at 482 (1922)).

16

The nuns also appealed to President Jefferson directly. Storslee, Free Exercise and Funding, supra, at

115. In response, Jefferson likewise reassured the

nuns and invoked constitutional principles of free exercise. He first assured them “that ‘the principles of

the constitution’ provided a sure guarantee that the

nuns’ property would be ‘preserved to you inviolate.’”

Id. (quoting Letter from Thomas Jefferson to the Ursuline Nuns of New Orleans (July 13, 1804), reprinted

in 44 The Papers of Thomas Jefferson 78, 78 (James

P. McClure, Martha J. King, Tom Downey, W. Bland

Whitley, Andrew J.B. Fagal, & Merry Ellen Scofield

eds., 2019)). He added that those same constitutional

principles would ensure that their school would be

“permitted to govern itself according to [its] own voluntary rules, without interference from the civil authority.” Letter from Thomas Jefferson to the Ursuline Nuns, supra. And he “observed that ‘whatever

diversity of shade may appear in the religious opinions of our fellow citizens,’ the nun’s charitable endeavors ‘cannot fail to ensure … the patronage of the

government it is under.’” Storslee, Free Exercise and

Funding, supra, at 116 (quoting Letter from Thomas

Jefferson to the Ursuline Nuns, supra).

On the most straightforward reading, Jefferson

and Madison’s response to the Ursuline nuns points

to the same basic principle espoused by Shearith Israel. Like denominational schools in New York, the

nuns expressed concern that government would deny

them a form of public patronage based on their religious practice. And in response, Jefferson indicated

that the “principles of the constitution” prohibited

that result, whatever the “diversity of shade may appear in the religious opinions of our fellow citizens.”

17

Storslee, Free Exercise and Funding, supra, at 116

(quoting Letter from Thomas Jefferson to the Ursuline Nuns, supra). Here, as in Shearith Israel’s case,

Jefferson appears to have understood free-exercise

principles to forbid government from denying the

nuns a form of aid “where doing so was based solely

on their religious exercise.” Id. In other words, Jefferson believed that these constitutional principles

not just permitted but required a “sure guarantee”

that even-handed government support of this religious ministry would continue “without interference.”6

B. Later deviations from these principles

reflected Protestant majoritarianism

and anti-Catholic bigotry, not the original understanding of the Free Exercise Clause.

In the nineteenth century, Protestant hegemony

and the push for common schools began to break earlier understandings of the symmetry between disestablishment and free exercise. Rather than complementing free exercise, misguided disestablishment

rhetoric became “a sword to vanquish it.” Storslee,

Free Exercise and Funding, supra, at 122.

Here again, New York provides one of the earliest

examples. In 1840, as “Catholic migration transformed” New York City, a new dispute over selective

funding arose. Storslee, Free Exercise and Funding,

6 See Stephanie Barclay, Spheres of Liberty and Free Exercise:

Lessons for Fulton from Jefferson’s Correspondence with Ursuline Nuns, The Volokh Conspiracy (Nov. 2, 2020), https://reason.

com/volokh/2020/11/02/spheres-of-liberty-and-free-exercise-lessons-for-fulton-from-jeffersons-correspondence-with-ursulinenuns.

18

supra, at 118. Catholic groups again objected by invoking free exercise arguments similar to those previously made by Shearith Israel. For example, the

Catholic groups appealed to “the principles of the Constitution, which secures equal civil and religious

rights to all,” id. at 118–19 (quoting a resolution from

a meeting of Catholic leaders on July 20, 1840), and

sought “a just proportion of the public funds” for denominational schools, id. at 119.

Opponents of Catholic schools resisted this argument, relying in part on a new claim to constitutional

authority:

“[P]roviding funds to denominational

schools was incompatible with the ‘entire separation

of Church and State’ that underlay ‘our political compact.’” Storslee, Free Exercise and Funding, supra, at

120 (quoting Robert C. Cornell, Reply of the Trustees

of the Public School Society to the Address of the Roman Catholics (Aug. 27, 1840)). “In New York, the

Free School Society first advanced this argument in

1824.” Id. By 1840, the argument was “commonplace.” Id. Yet even as these disputes proliferated in

other states, “the basic understanding of free exercise

articulated by Shearith Israel and endorsed by Catholic petitioners in New York persisted in debates over

schools and funding well into the nineteenth century.”

Id. at 123 (citing examples in Michigan, New Jersey,

D.C., and Philadelphia).

Following the Civil War, Catholic parochial

schools became a flashpoint amid rising CatholicProtestant tensions. See Charles L. Glenn, The American Model of State and School 154–55 (2012). Many

Protestants viewed Catholic parochial schools and the

Catholic Church in general as “a menacing limitation

upon national unity and progress.” Id. at 155. And

accordingly, opponents “hammered away at the idea

19

that schools operated by the religious communities

taught a perverted doctrine inimical to modern ideas.”

Id. (quotation marks omitted). “Protestant theologian

Horace Bushnell warned against the influence of

Catholic schools, as a menace to society,” in which “the

children of immigrants ‘will be instructed mainly into

the foreign prejudices and superstitions of their fathers.’” Id. at 156.

That animosity was a consistent presence in public life until well into the 20th century. It animated

the failed “Blaine Amendment” to the federal Constitution, which would have outlawed any use of public

money to fund sectarian education. Glenn, American

Model, supra, at 157; see also Espinoza, 591 U.S. at

498–99 (Alito, J., concurring) (noting the “wellknown” history of the Blaine Amendment, which “was

prompted by virulent prejudice against immigrants,

particularly Catholic immigrants”). And it similarly

animated the many copycat state laws and constitutional amendments.

The idea that funding “sectarian” schools

amounted to a form of religious establishment had no

basis in Founding-era practice or understanding. See

supra at 12–17. But the idea allowed proponents of

emerging Protestant common schools “to do something they had [previously] failed to do—respond to

their opponents’ free-exercise arguments with newly

minted claims to constitutional authority.” Storslee,

Free Exercise and Funding, supra, at 121. That dynamic was especially notable considering the larger

context of these early disputes. Opponents of denominational schools presented their disestablishment arguments as matters of constitutional command. But

in many cases, they did not object to funding religious

education as such; instead, they objected to funding

20

what they labeled as “sectarian” education. See Laycock, Churches, Playgrounds, Government Dollars—

and Schools?, supra, at 145. In fact, in many places

around the country, “a Protestant majority” was “mobiliz[ed]” to “[d]efend[] the use of the Bible in public

schools” at the very same time that many Protestant

groups rallied against public funding of Catholic

schools. Glenn, American Model, supra, at 161.

Put differently, “Protestant political leaders and

voters” occupied a position that does not neatly fit into

contemporary debates on funding for religious

schools: they “insist[ed] that public schools should

continue to have a Protestant character,” even as they

simultaneously were “equally adamant that ‘sectarian’ schooling was unAmerican.” Glenn, American

Model, supra, at 162. “[I]t was an open secret that [in

the 1870s] ‘sectarian’ was code for ‘Catholic.’” Mitchell

v. Helms, 530 U.S. 793, 828 (2000).

In short, “[t]he claim that funding religious

schools is or should be unconstitutional did not

emerge until long after the Founding, and in response

to intense Protestant-Catholic conflict.” Laycock,

Churches, Playgrounds, Government Dollars—and

Schools?, supra, at 145. Accordingly, that history

bears little weight in understanding the meaning of

the Religion Clauses today.

III. The Court should approach the First

Amendment’s application to school-funding disputes consistent with the original

meaning of the Free Exercise Clause.

Some scholars have criticized this Court’s decision

in Carson and similar cases by arguing that “nineteenth-century history is devoid of evidence linking

free exercise and funding.” Storslee, Free Exercise

21

and Funding, supra, at 131. But as demonstrated

above, that argument overlooks some of the earliest

historical evidence concerning free exercise and funding, not to mention evidence of other groups “arguing

that selective school funding violated their right to

free exercise” well into the nineteenth century. Id. at

104. All of this should inform the Court’s decisions in

this area. But even without specific historical analogues, Carson faithfully applies the original meaning

of the Free Exercise Clause to modern disputes concerning public funding of education.

A. Carson faithfully applies the original

understanding of the Free Exercise

Clause to today’s government programs.

As explained above, in the years immediately after the “adoption of the Religion Clauses” and “well

into the nineteenth century,” Catholics and other religious minorities successfully deployed free-exercise

arguments in “contexts involving government subsidies of various kinds.” Storslee, Free Exercise and

Funding, supra, at 131. These arguments appear to

have prevailed until “proponents of ‘nonsectarian’

schools subordinated that understanding to a novel

theory of church-state separation” later in the nineteenth century. Id.

In Lemon v. Kurtzman, 403 U.S. 602 (1971), and

other cases, this Court for many years incorrectly

“projected this later nineteenth-century view back on

to the Founding era.” Storslee, Free Exercise and

Funding, supra, at 132 (citing Lemon). “But the historical evidence does not support that conclusion.” Id.

Denying funds to religious schools based on establishment concerns was a “nineteenth-century innovation.”

22

Id. And denying funding to a religious school “based

solely on a recipient’s religious exercise” would have

been “‘at variance with the liberal spirit of our constitution, which recognizes no distinction in religious

worship.’” Id. at 132, 104 (quoting Memorial of Trustees of the Congregation of Shearith Israel, supra, at

95).

To be sure, at the time of the Founding selectivefunding disputes were “relatively rare.” Storslee, Free

Exercise and Funding, supra, at 116. “But that fact

makes the examples of Shearith Israel and the Ursuline nuns even more striking.” Id. These historical

episodes demonstrate that “[i]n the period surrounding the Founding, when government funded almost

nothing in the private sector, funding for religious

schools was ubiquitous,” and “when proposals to exclude some schools on account of their religious activities arose, the constitutional objection based on free

exercise immediately appeared.” Id.

Consistent with that historical understanding,

Carson instructs that “including religious entities in

funding programs is not unconstitutional ‘support’ for

religion,” but “support for a public good, offered to a

variety of recipients based on neutral, non-religious

criteria.” Storslee, Free Exercise and Funding, supra,

at 103; see also Carson, 596 U.S. at 781. Carson further teaches that “denying funding on account of religion is not … neutral” but “a penalty on religious practice” in violation of the Free Exercise Clause. Storslee,

Free Exercise and Funding, supra, at 103; see also

Carson, 596 U.S. at 780. Carson therefore “might well

be seen as giving voice to early understandings of free

exercise articulated by Shearith Israel and others,

now in a different context.” Storslee, Free Exercise

and Funding, supra, at 132.

23

To be sure, relating this history to modern controversies requires an act of judgment, or what some

originalist scholars would refer to as an act of constitutional construction. See generally Stephanie Hall

Barclay, Constructing Constitutional Rights, 138

Harv. L. Rev. F. 140 (2025). Unlike their historical

predecessors, modern disputes about government

funds for religious schools generally involve state laws

that fund only secular schools, or (as in this case) deny

otherwise available funds based on a recipient’s free

exercise. But the Founding-era commitment to religious equality and free exercise applies “just as readily to modern programs that deny funding only to religious private schools while extending it to secular

ones.” Storslee, Free Exercise and Funding, supra, at

132.

Likewise, the nineteenth-century history deviating from those Founding-era commitments is not a reliable guide for the reasons explained above. It was a

departure from the original understanding of free exercise, born of nineteenth-century Protestant-Catholic conflict and anti-Catholic bigotry. Just as the

Court declined to use history of Jim Crow disarmament laws to interpret appropriate limits on the right

to bear arms, Wolford v. Lopez, No. 24-1046, 609 U.S.

___ (U.S. June 25, 2026) (slip op. at 23–24), and the

Court shouldn’t “use the history of segregation to interpret the Equal Protection Clause now,” Transcript

of Oral Argument, Oklahoma Statewide Charter Sch.

Bd. v. Drummond, Nos. 24-394 & 24-396 (Apr. 30,

2025) at 48:9–10 (Sotomayor, J.), the Court shouldn’t

rely on failures to protect religious minorities in the

nineteenth century as reliable evidence of the meaning of the Free Exercise Clause today. Espinoza, 591

24

U.S. at 482 (“The no-aid provisions of the 19th century

hardly evince a tradition that should inform our understanding of the Free Exercise Clause.”).

B. Even without specific historical analogues, Carson faithfully applies the

original meaning and purpose of the

Free Exercise Clause.

Even without the Founding-era examples described above, Carson and similar cases would still reflect the correct application of the First Amendment

to today’s government programs.

Examples of our Nation’s shortcomings in the protection of free exercise are plenty. For example, “almost every state had blasphemy laws at the Founding

and well into the nineteenth century.”7 Laws like

these were widely criticized by Madison, Jefferson,

Adams, and others. See Barclay, Making Laws, supra,

at 5–6. In this vein, Tucker’s 1803 annotated edition

of Blackstone described blasphemy laws as running

afoul of free exercise principles “contained in the bill

of rights.” Id. at 7 (citing 5 St. George Tucker, Blackstone’s Commentaries: With Notes of Reference to the

Constitution and Laws of the Federal Government of

7 Michael McConnell, Douglas Laycock, Stephanie Barclay, &

Mark Storslee, The Court Shouldn’t Bruen-ize the Free Exercise

Clause, The Volokh Conspiracy (Mar. 8, 2025), https://reason.

com/volokh/2025/03/08/the-court-shouldnt-bruen-ize-the-freeexercise-clause/; see also Stephanie Barclay, Making Laws for the

Human Mind: The Founding, Free Exercise, and Parental Rights

after Mahmoud and Mirabelli (forthcoming in Cornell L. Rev.

2026), available at https://papers.ssrn.com/sol3/papers.cfm?abstract_id=7016558.

25

the United States and the Commonwealth of Virginia

59 n.9 (1803)).

Similarly, “teachers caned and expelled Catholic

children in public schools for refusing to read the King

James Bible—and courts upheld those actions.” The

Court Shouldn’t Bruen-ize the Free Exercise Clause,

supra. Our nation’s “history and tradition includes

the long-running persecution of the Mormons,” “attempts to impose Protestant forms of governance on

Catholic Churches, to force all children to attend public schools, and to stamp out the Native American sun

dance.” Id. That we can point to numerous historical

analogues of government regulation of religious exercise “does not mean those regulations were living up

to the constitutional promise of free exercise.” Id.

The Framers themselves recognized that “defenders of [historic] abuses” of free exercise would not “instantly acquiesce” upon the Bill of Rights’ ratification.

The Court Should Not Bruen-ize the Free Exercise

Clause, supra; see also Barclay, Constructing Constitutional Rights, supra, at 150 n.68 (citing James Madison, Speech in Congress Proposing Constitutional

Amendments (June 8, 1789) in James Madison: Writings 437, 448 (Jack N. Rakove ed., 1999)). Madison,

on introducing the Bill of Rights, noted that many

states already had bills of rights in their own constitutions, and that there were “few particular states in

which some of the most valuable articles have not, at

one time or other, been violated.” Barclay, Constructing Constitutional Rights, supra, at 171 (quoting

Cong. Reg. (June 8, 1789), reprinted in 11 Documentary History of the First Federal Congress of the United

States of America, March 4, 1789–March 3, 1791, at

26

825 (Charlene Bangs Bickford et al. eds., 1992) (statement of James Madison)). Madison “understood that

the new experiment of popular sovereignty that the

Founding generation was engaging in often resulted

in action that fell short of the constitutional ideal.” Id.

An interpretive method that looks to “Founding-era

regulations as conclusive evidence of what limitations

on rights are constitutionally permissible could easily

lead an interpreter astray and result in far less protection than was anticipated for important rights like

speech and religious exercise.” Id.

Understanding and applying the historic meaning

of free exercise therefore requires more than an unreasoned appeal to past practice. Instead, understanding the original meaning of the Free Exercise

Clause requires “a serious attempt to discern the positive meaning of” the First Amendment, even while

“recognizing that the full implications of a constitutional right—even from the moment of its ratification—may not have been immediately accepted or

fully understood.” The Court Shouldn’t Bruen-ize the

Free Exercise Clause, supra. “Sometimes practices flying under the banner of ‘tradition’ are nothing more

than flagrant violations, made possible by bigotry or

unreflective inertia.” Id. (citing Mark Storslee, History and the School Prayer Cases, 110 Va. L. Rev.

1619, 1684–91 (2024) (discussing the practice of compelled religious observance in nineteenth century public schools)).

Acknowledging the appropriate role of historical

analogues has an important consequence. Rather

than looking to historical practices alone, “something

like strict-scrutiny analysis” would be a more faithful

“doctrinal tool for implementing the Free Exercise

27

Clause’s historic meaning.” The Court Shouldn’t

Bruen-ize the Free Exercise Clause, supra; see also

Stephanie H. Barclay, Replacing Smith, Yale L.J. F.

436, 457–58 (2023). Early state constitutions broadly

protected free exercise unless religious exercise “endanger[ed] ‘the public peace’ or ‘safety.’” Fulton v. City

of Philadelphia, 593 U.S. 522, 575 (2021) (Alito, J.,

concurring in judgment).8 Madison, too, “focused on

the types of reasons for which government could regulate religious exercise,” reasons that he thought

“should be exceedingly limited,” when debating the

limits of religious liberty. The Court Shouldn’t Bruenize the Free Exercise Clause, supra. “And Foundingera courts likewise protected religious liberty in ways

that resembled modern strict scrutiny analysis in

other important respects, including asking evidentiary questions that looked like some version of

means-ends scrutiny.” Id.; Barclay, Replacing Smith,

supra, at 461–65.

Indeed, this Court has recently taken a similar approach as it has refined the Bruen test through

Rahimi and especially Hemani.9 There, the Court

first assessed whether the government had pointed to

a permissible historical reason for limiting a constitutional right. But the analysis did not end there. This

Court made clear that government cannot disarm a

8 See also Michael W. McConnell, The Origins & Historical Understanding of Free Exercise of Religion, 103 Harv. L. Rev. 1409,

1455–66 (1990).

9 See Stephanie Barclay, Hemani: Proving the Reason, Not Just

Naming It, SCOTUSBlog (June 22, 2026), https://www.scotusblog.com/2026/06/hemani-proving-the-reason-not-just-naming-it/.

28

person simply by naming a permissible historical reason. A government could defeat a constitutional right

in any case if the Court was required to defer to its

mere “say-so” about a permissible historical reason

like dangerousness without “any further showing.”

See United States v. Hemani, No. 24-1234, 608 U.S.

___ (U.S. June 18, 2026) (slip op. at 7, 18–19); Kanter

v. Barr, 919 F. 3d 437, 465 (7th Cir. 2019) (Barrett, J.,

dissenting). This Court suggested instead that government must prove that the permissible reason it

names is the reason it actually acted, and to tie that

reason to the person it seeks to disarm. In the religious exercise context, that is precisely what strict

scrutiny does. See Stephanie Hall Barclay, Constitutional Rights as Protected Reasons, 92 U. Chi. L. Rev.

1179, 1187–88 (2025); Barclay, Replacing Smith, supra, at 455–564.

Moreover, the scope of federal and state funding

for private actors has expanded dramatically since the

Founding. Today, restrictions on government benefits

are often just as powerful as outright penalties in

their coercive power. Thus, as Justice Scalia explained, “[w]hen the State makes a public benefit generally available, that benefit becomes part of the baseline against which burdens on religion are measured;

and when the State withholds that benefit from some

individuals solely on the basis of religion, it violates

the Free Exercise Clause no less than if it had imposed

a special tax.” Locke v. Davey, 540 U.S. 712, 726–27

(2004) (Scalia, J., dissenting).

Accordingly, even without historical analogues

like those described above, Carson’s application of

strict scrutiny to the government’s exclusion of reli-

29

gious schools from otherwise available funding is consistent with Founding-era history and thus “a faithful

means of applying the Constitution’s historic meaning

today.” Storslee, Free Exercise and Funding, supra,

at 137.

Conclusion

In considering the questions presented in this

case, the Court should apply the standard enunciated

in Carson and similar cases, consistent with the original understanding of the Free Exercise Clause.

Respectfully submitted,

MATT GREGORY

Counsel of Record

ALY COX

JESSE SCHUPACK

LAURA STANLEY

Gibson, Dunn & Crutcher LLP

1700 M Street, N.W.

Washington, D.C. 20036

(202) 955-8500

mgregory@gibsondunn.com

Counsel for Amici Curiae

July 2, 2026

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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Amicus Curiae Brief — St. Mary Catholic Parish, Littleton, Colorado, et al., Petitioners v. Lisa Roy, in Her Official Capacity as Executive Director of the Colorado Department of Early Childhood, et al. | Frix