It's not up to him to "let" you stay. This is your home and it is your right to stay. But no need to argue that with him. He wants you to be living under a threat. That's no way to live. Either one of you can dissolve the marriage by pursuing divorce, but no one gets to throw the other out. Read up on marriage law. Civilized people live under a system of law that is there for very good reasons. He'll respect you more, if you respect yourself enough to assume the rights that you have by law.

Figure out how you might finance your schooling, if he should stop making the monthly payments on yout academic program.