The Song of the Red Ruby (1970)

We've learned a lot from the Danes, now it's seduction!

A young, idealistic business student has ambitions to be a concert pianist, but his obsession with beautiful women keeps him from achieving his goal. To earn money for his tuition, he takes a job as headmaster of a small girls' school. There his weakness for beautiful women is put to the test when he is pursued by a bevy of sexy coeds.