student reprimanded for tackling a knife wielding classmate

My eldest is25 he was always bullied and the school board would do nothing .when he did fight back he was suspended . His mother and I always told him and his never throw the first punch always throw the last . And never step into a fair fight but always step in when it becomes unfair even if your friends are wrong you fight for what you believe and always have your friends back no matter what .school was rough for him but he just graduated forms queens university in Kingston ontario.his younger brother won't back down from anything and is going thru to be law inforcement .Even with all the bullying he found the right path and is heading into social work . We're proud of both .We had to realize that we had to I instill the values in them and they were not to expect other parents to do the same with there kids .