Pretty Smart(1987)

After a taste of knowledge, the girls at Ogilvy Academy think they're... Pretty Smart.

In this adolescent-oriented drama, a young woman is forced to attend a posh finishing school in the Mediterranean. She vents her anger by rebelling against the cruel and sicko headmaster. When she discovers that he has been secretly photographing them naked and profiting from the pictures, she rallies the other girls and gets revenge.