Return to Horror High (1987)

Return to Horror High is a horror comedy movie that follows a police investigation into a series of gruesome murders at a high school. The story is told in a nonlinear timeline, with a screenwriter and a film producer working on a movie about the killings. As the investigation progresses, the film crew experiences strange and terrifying events themselves. The movie combines elements of slasher films, teen slashers, and meta-horror, with plenty of gore, violence, and surprise twists.