Guide to Fitting In

 If you want to fit in at this school, then there are many rules to follow.

Wikipedia

Rule 1: Don't act suspicious. if you act suspicious students will figure something out sooner or later.

Rule 2: Stick with a group. If you stick with a group you have less of a chance of being noticed. * a popular group is not a good idea.

Rule 3: Act like you're supposed to be there. 

These should be good for the first week. Good Luck.