Is it illegal for a student to go beat up a student in order to manage in a military school

Of course it's illegal, you just need to remember one thing. It is illegal to hit someone no matter what the circumstances are. If the other person holds you accountable, then you are breaking the law. Generally fights are phase each other. It's also common to run into this sort of thing, with coordination being the main focus. If. Do not accept the coordination can go to the legal process.