Slaughter High

Plot hole: The school is supposed to be rundown and closed after ten years yet Marty somehow manages to get in, rig up all his traps (including the acid through the bath pipes), and setup the reunion supplies without the caretaker ever catching on to anything that's going on. It also begs the question if the caretaker was there the whole time until he was killed how did he not notice the other students waiting outside for several hours or their cars to ask what they were doing while outside?

jbrbbt

Plot hole: In the opening scene, the bullies all go into the girls' toilets with loads of camera equipment, including high tech ones used for proper films and boom mics. This equipment is way too expensive (even more so in the 80s when the film is set) for any high school kid to have.

swordfish

Plot hole: When the bullies take revenge on Marty, they doctor the chemicals he is preparing so that they explode. The bullies were punished some time in the afternoon, judging by the sun in the very first shot. Their detention is at 4:30 in the afternoon. Somehow, they manage to acquire the necessary chemicals for the explosion within a couple of hours, even though they are stuck at school. In addition to this, they have no way of knowing what chemicals Marty is preparing, so even if they were able to get chemicals, they would not know which ones to get to destroy his experiment.

swordfish

Audio problem: Although the protagonists are all American, the actors are all English. This is why several characters mysteriously switch accents part of the way through the film - Marty speaks with a solid English accent after his first few lines.

swordfish

More mistakes in Slaughter High

Marty: Hey, what's going on?
Carol: Ever try it under the shower before?

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Trivia: The school scenes of the film were indeed filmed in a real school, not a movie set - they were filmed at St Marylebone Grammar School for boys in London. However, the shots of the school from the outside are actually shots of Holloway Sanatorium, near Virginia Water.

swordfish

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Question: The bullies think there is a real high school reunion going on. Yet having sat outside the boarded up and abandoned school for 3 hours, they do not seem in the least surprised and begin to doubt a reunion is taking place. They are not suspicious even when they have to break a window to get in to the school.Surely they would be suspicious by then and not go in?

swordfish

Answer: Some people are not the brightest button in the box. If wanting something enough they will overlook the obvious.

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