So Theres This Boy Im Gonna F**k Up?

So This Boy From School Robbed My Phone A Couple Of Months Back I Got It Back After Calling The Police But Thay Did Nothing Else During School Today The Cheeky C**T Put My Coat In The Bin So Then I Tipped The Bin Over His Head So Nothings Happened Via The Police So Im Taking It Into My Own Hands Im Going To Rush / Jump Him But I Need Some Tips On How To Injure This Stupid N**B So Does Anyone Have Any Tips :)