Bad Ronald (1974)
A perverted teenage boy who lives in the walls of a house finds the house sold to a family after his mother dies, then he falls for one of the new residents
Return to Horror High (1987)
In the early 1980s, a series of gruesome murders occurred at Crippen High School A few years later, a film crew uses the now abandoned Crippen High as the set for a film But an uninvited guest makes an appearance on the set