ok...i need help.

my mom just called to wish me a belated thenksgiving and i really didn't want to here from her. I told her i didn't want to see her till i was 18 but then she just calls. What should i do? I get so mad i want to cut or hurt myself. I keep hitting things and when i want to cut i snap a rubber band on my wrist. This is not working verry well. My dad has not done anything but yell at me all week and it's really getting to me. I just got into a fight at school but i was sooo mad i wanted to punch the grl i was having a verbal argument eith. So i punched a locker