If someone assaults me, I am beating their ass and I’ll take my chances with a jury trial.
Good luck with that. If you're beating their ass to defend yourself it's one thing. But if you're beating their ass to get revenge, well, your chances might not be too good, depending on the jury.
I thought you were defending the teacher.
Who - btw, threw his career down the drain and probably will get jail time. But, ‘hey, he showed that kid not to disrespect him’.