WhipperSnapper
Lifer
She sounds like a pain in the ass. Freedom of religion, not freedom from religion. If she is offended by that I hope her parent buy her a padded room because there are a lot more offensive things in this world.
Freedom of religion means freedom from having the government endorse a religion or force a religion upon you. A public school is a government building.
In contrast, if she walked into someone's private home or a private business and started complaining about the Ten Commandments on the wall, then she would be in the wrong.