Answer:
Brian The brain :brought a flair gun to school and it went off in his locker, he was going to try and committee suicide
Andrew The the athlete :taped someones buns together, to try and prove to his dad he could be like him.
Clair The princess ditched class to go shopping
Allison The basket-case: just didn't have anything else to do XD
Bender the criminal: pulled the fire alarm, since he wanted attention since he gets none at home.