Proof that blondes DO have brains

Five lunkheaded high school football players embark on a camping trip together with their cheerleader girlfriends. Once at the camp site, the guys decide to put the girls through a bout of football training, complete with a guys vs. gals scrimmage. The girls agree, but leave out the fact that the night before one of them inducted the others into a witches' coven that has granted them supernatural powers.