I don't think the students should have been expelled but they'll lose any case against the school. All schools have a code of conduct for any actions students do when representing the University. And even off campus fraternity events are included in that.
Vlad - you're an ignorant person when talking about race. What's funny is you have no idea how ignorant you sound. Unless it's some kind of shtick. You think you're better than black people? You're no better than anyone. I promise.