The Brotherhood 2: Young Warlocks(2001)

Overview:

John, a new student at an exclusive private school, is having trouble with a group of bullying jocks who are jealous of his friendship with beautiful classmate Mary. He's intrigued, then, when enigmatic misfit Luc offers him a chance to get back at them using witchcraft - but doesn't realise that the price of his new-found power may be his life.