Horror High
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.
Top cast
Pat CardiVernon Potts
Austin StokerLieutenant Bozeman- Rosie HolotikRobin Jones
- John NilandCoach McCall
- Joye HashMiss Grindstaff
Jeff AlexanderMr. Griggs- Mike McHenryRoger Davis
Joe GreeneCoach's Buddy / Policeman- Nick FelixMr. Henshaw
- Michelle FalerneGirl-Student
- Laura WilliamsonNurse
- Charles MannSchool Principal
Below are the streaming services currently carrying the movie “Horror High” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Horror High in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 14 Sept 2026.