In 1965, in Reed v. Van Hoven, a court determined (237...

In 1965, in Reed v. Van Hoven, a court determined (237 F.Supp. 48. W.D.Mich. 1965.) that it was permissible for students to pray over their lunch at school so long as no one knew they were praying - that is, they couldn't say words or move their lips, but they could pray only if no one knew about it!