The girls burn their school to the ground, prompting a mysterious Middle Eastern gentleman to offer new premises for their studies - but he has a sinister ulterior motive for helping the badly behaved youngsters. Comedy, starring Cecil Parker, Joyce Grenfell, George Cole and Irene Handl.

The fourth form monsters' latest trick is their best yet – they have burned down the school! As the girls stand trial, police breathe a sigh of relief, but miraculously the judge's infatuation with a student means the school is freed. For the authorities, it means a new reign of terror as the girls of St Trinian’s regroup with gleeful anticipation.