You have 1st amendment rights everywhere, but a private institution is allowed to ask you to leave if they don't like what you say in public or in private. The

You have 1st amendment rights everywhere, but a private institution is allowed to ask you to leave if they don't like what you say in public or in private. The only exception to this is discrimination laws: If you can show that they asked you to leave because you are a member of a protected class, then they are in trouble.