80s movie with mean trans principal

Anos Voldigord was a tyrannical Demon King that eradicated humans, spirits, and even the gods, but became bored of eternal warfare and reincarnated with dreams of a peaceful world. However, what awaited him in reincarnation after 2000 years were descendants who became too weak after being accustomed to peace, and all sorts of magic that deteriorated to the extreme. Anos enters Demon King Academy that gathers and educates those who are viewed as the reincarnation of the Demon King, but the academy could not see through his true powers and ends up branding him as a misfit.

The Misfits are in for a wild year as they prepare a school musical. But when the strict new headmaster bans the show, it's up to Julia to save the day.

Officer Carey Mahoney and his cohorts have finally graduated from the Police Academy and are about to hit the streets on their first assignment. Question is, are they ready to do battle with a band of graffiti-tagging terrorists? Time will tell, but don't sell short this cheerful band of doltish boys in blue.

Andy is a new teacher at an inner city high school that is unlike any he has seen before. There are metal detectors at the front door and the place is basically run by a tough kid named Peter Stegman. Soon, Andy and Stegman become enemies and Stegman will stop at nothing to protect his turf and drug dealing business.