Prayer at public school events can involve three clauses of the First Amendment: the establishment, the free exercise, and the free speech.| The Free Speech Center
In Lemon v. Kurtzman (1971), the Supreme Court said that providing funds to church-run schools was unconstitutional because it resulted in excessive entanglement with religion.| The Free Speech Center
Wallace v. Jaffree (1985) struck down a state law requiring a minute of silence in public schools. The Court said the law had a religious purpose and violated the First Amendment.| The Free Speech Center