1,4,8,10
seventh
First
Public Bill
Prayer was removed from public schools in the United States to uphold the constitutional principle of separating church and state. The Supreme Court ruled that organized prayer in public schools violates the Establishment Clause of the First Amendment, which prohibits the government from promoting or endorsing a specific religion.
14
14
second
The 1st Amendment
The First Amendment Establishment Clause has been used to ban organized prayer in public schools.
both cases established limits on public schools' actions based on the first amendment
It's important to specify the nature of these "certain theories" in order to advance the discussion, because the foundation of the subject is relevant to the Supreme Court ruling. If, for example, "certain theories" means teaching creationism or intelligent design, the Supreme Court would invoke the First Amendment Establishment Clause, because the Court already determined, in Edwards v. Aguillard, (1987), that intelligent design can't be taught in public schools due to its basis in creationism, a religious concept.For a more in-depth discussion of the topic, see Related Questions, below.
It wasn't an amendment, but a ruling by the Supreme Court in 1957. It was the Brown v Board of education. It ruled that segregation was illegal and that "separate but equal " wasn't equality.