The warren court ruled that official prayer in public schools is unconstitutional because it violates

The answer is that prayer in public schools was prohibited and taken as unconstitutional by the Warren court ruling because it violated the Establishment Clause of the First Amendment, which meant it violated the right to freedom of religion in the Constitution.

Explanation:

The Warren Court Ruling came from the court case that took place in 1962, and which was named Engel v. Vitale. Essentially, this case initiated in New York, because the students of a school in New Hide Park were asked each morning to recite both the Pledge of Alligance and also a prayer to God. It was mostly a Jewish group of families, headed by Steven I. Engel, who sued the principal of the school, William J. Vitale Jr. for establishing such a procedure, which violated the rights of people to freedom of religion. The case was ruled in favor of Engel and the people who supported his cause, and prayer in public schools was prohibited as a violation to the First Amendment.

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