Find new people to be around.
People at my college pretty much just keep to themselves... It's quite different from high school, for me. It's much better. The only time I think any drama kind of stuff would happen is if you still hang around the same people you did in high school. Some people just never grow up, of course, and sometimes you just need to move on.
Also, if you have some kind of hobby or something that people tend to criticize you for, it's not really a good idea to go on those kind of websites and stuff while you're in the classroom with a bunch of other people. I am NOT saying there's anything wrong with your hobby, or that you should feel like you have to hide it, but it is kind of a better idea to just do that stuff at home, if only in an effort to avoid that kind of stuff.