Kosh
Quick Look Over There!
seems clear
Discrimination Law: Hiring & Firing | eHow
Workplace Discrimination Based on Religion - HG.org
Sea is right, that school had no right to have that clause in the contract, therefore they owe him money
Churches are specifically exempted from those laws.
school isn't church even if its run by a church, with nuns as teachers.
Actually it is, unless run by the state.