Immer die Mädchen (1959)

When he hears a rumor about an affair between a teacher and one of his pupils at Baroness Siebenstein's boarding school for girls, journalist Dr. Clausen hopes for a good story and joins the staff uncover. But instead of the scandalous low moral standards he expected, he discovers that the school i effectively ruled by spoiled girl Leo, who's out to insult and destroy all of her teachers--including him.