cycle of violence

Today at school one of the kids hit another kid in the face and he got a bloody nose. The kid who hit the other kid was the same kid who got kicked by the teacher last week. It pisses me off because it's obvious that the teacher did not teach the boy that it's rude to continue stomping one's feet after the English teacher has stopped, she taught him that it is okay to be violent, and to use violence to solve any problem that one is presented with. I guess it pisses me off the most because, 1) I can relate to that kid, and 2) I feel that there's nothing I can do to change this problem. That teacher is teaching that child how to be a bully, and very little else.