Wanna take revenge from my rivals?help me pls.?

I am new in my school and it has nt been a day and i had many rivals.they keep hiting me wid shoe frm the backseat.they keep laughing whenever i do anything.theres a girl who is spreading a false rumour that i hav cancer,i m dumb,absent mind,*****,dumb n yada yada .i cnt tel this to teacher cuz m nt 4thgrde kid,i m 16.nxt dnt advice me to hit or kil them.tel me only the tricks how to led them down.