"the government shall make no laws restricting or compelling religion." You're just using semantics. The above quotation is the same as saying, "separation of church and state."

Explain evolution?

Unless they are Muslims, Hindu, Jewish or other religion not Christian. Would Muslims be allowed to spread their prayer rugs in the corridor of a school, for Muslim children to pray?

why not? it's not the school teaching then Islam, it's their personal religion...