Manhattan Community Access Corp. v. Halleck

The First Amendment constrains state action, not private conduct, and churches and priests are not state actors.

Zelman v. Simmons-Harris

A school voucher program that includes religious schools does not violate the Establishment Clause.

Illinois ex rel. McCollum v. Board of Education

A state cannot use the public school system to aid religious faiths in the dissemination of their doctrines and ideals.

Agostini v. Felton

The Court modified the Establishment Clause test to develop three criteria for determining whether government action's primary effect advanced or inhibited religion.

Lemon v. Kurtzman

Established a three-pronged test to assess whether a law violates the Establishment Clause by examining whether the law has a secular legislative purpose, neither…

Hile v. Michigan

St. Isidore of Seville Catholic Virtual School v. Charter School Board

The Court will determine whether a religious charter school can receive public funding under the Free Exercise Clause and Establishment Clause.

State of Oklahoma v. Freedom From Religion Foundation

The state sued FFRF to prevent it from interfering with school prayer and Bible-related classroom activities, seeking declaratory relief and injunctive relief.

Oklahoma Statewide Charter School Board v. Drummond

A 4-4 deadlocked decision upheld the Oklahoma Supreme Court's ruling that a publicly funded religious charter school violated state and federal constitutional provisions prohibiting…

Catholic Charities Bureau, Inc. v. Wisconsin Labor and Industry Review Commission

Wisconsin violated the First Amendment by conditioning a religious exemption from unemployment insurance taxes on criteria requiring proselytization or service restrictions, thereby imposing denominational…