Jimmy is not a jerk but also not very friendly towards others he's a new kid at bullworth academy he went to the cafeteria with Gary so Gary can introduce him to some cliques Gary showed him the nerds,the bullies,the rich kids,the greasers and the athletics

You are a rich kid jimmy doesn't like rich kids, the greasers and the athletics because they were jerks jimmy also gets detention a lot since he causes trouble

You saw jimmy arguing with one of the rich kids and you defend them