It's rather rare to have a power type academy that doesn't have the 'no lording over because rank' rule. It still gets ignored, but it's usually there. It always made sense to me, because there will always be someone who would be stong enough to fight them. And if pushed hard enough, kill them.
But this prick not only brought boddyguards onto school grounds, but assaulted anotehr student and no one batted an eye.
Oh, well. He's the basic template of 'enemy who gets beaten, then played by a more powerful enemy and turned into a monster, then beaten again'.