[PeterPrinciple]

This being a private college, what is the basis for court involvement?

They all accept federal $ in some form or another.

[beef]

"This being a private college, what is the basis for court involvement?"

He has a contract with them. He has paid his tuition and done the required coursework. He has a right to expect to continue in the program and get his degree. If there are ideological requirements to enter the program, they should be spelled out beforehand. You can't change the rules in the middle of the game. At the very least, he deserves his money back and compensation for his time.