Ok, pupil that is behaving badly around school. Swearing at staff- noting happens. Disrupted my lesson so I went throught the on-call system as he would not allow me to speak. Spent is time winding up other pupils.Taken on call. is mate who was also doing this threw a major violent tantrum aadn kicked files outside the classroom bending them. They are then allowed to go to lunch and the next lesson. Oh , yes they were given lollipops for being good. So as you can imagine, I am not impressed, so I ask what is happening. Told oh you will have to talk to this person that person,,,, Next day while walking from tutor time to my next lesson I was approached by one of the pupils who said he would harrass me until I give up teaching. He has already hounded a member of staff around a local shopping centre. He went to lessons for the whole day. I rang his mother, who I have spoken to before and told her about this verbal trheat and she said she did not belive me and ended the conversation.The other member of staff has written a statement adn has handed this in.All of this was logged via the correct procedure.- What would you do?