My life has gone to peiceis?

My life has fallen apart im getting chucked from school for showing kids porn and I didnt do it I have a friend who said he started the rumurs about me im jewish so we went to a big rabbi the kid got scared and now is saying I made he say he started the rumurs my parents dont belive me I really didnt do it im thinking of suicide or running away I dont know whwre to go or what to do im 15 going into 10 grade I start camp on wed need help fast please help me anyone im despret