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Horror High
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You can watch Horror High (1973) for free on Plex.
A nerdy high school super whiz experiments with a chemical which will transform his guinea pig "Mr. Mumps" from a gentle pet into a ravenous monster. In a fit of rage against his tormentors at the high school, Vernon Potts goes on a killing spree, eliminating all of those who ever picked on him - the Gym Coach, the School Jock, The Creepy Janitor & his hated teacher, Ms. Grindstaff.
Horror High is a film that explores themes of high school, monster, experiment. It also touches on classroom and transformation and bullying.
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Director
Larry N. Stouffer
Cast
Pat Cardi, Austin Stoker, Rosie Holotik, John Niland, Joye Hash, Jeff Alexander, Mike McHenry, Joe Greene, Nick Felix, Michelle Falerne
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Horror High
You can watch Horror High (1973) for free on Plex.
Director
Larry N. Stouffer
Cast
Pat Cardi, Austin Stoker, Rosie Holotik, John Niland, Joye Hash, Jeff Alexander, Mike McHenry, Joe Greene, Nick Felix, Michelle Falerne
4 options ranked by value · 🇺🇸 United States
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high school · monster · experiment · classroom · transformation · bullying · teacher · revenge · outcast · murder
Watch Horror High for free on Plex. Watch Horror High for free on Plex Channel. Watch Horror High for free on Fawesome. Horror High is streaming on FlixFling. Availability last verified April 5, 2026.