Identified by their white shirts, the bullies are against everyone else: the teachers, the nerds, the jocks, the preppies... you name 'em, they're against 'em. Luckily, Jimmy is encouraged to stand up for himself and the other kids, and while players can certainly have moments of questionable judgment themselves (through pranks and razzing), being a bad kid isn't supposed to be tolerated. Again, this probably isn't the game you thought it was.