NOTE: All violence is over-the-top, exaggerated, and generally meant for comic effect.
Like the preceding films, the main theme of the film is that nuclear waste has infected a high school and the kids there becomes mutants if they are exposed heavily to it.
As students enter a high school, a large quantity of weapons (of all kinds) are confiscated.
Two teenage girls scuffle; one rips the shirt of the other and a few punches land before the two are pulled apart. Later, one of these girls gets into a fight with another girl, pulling her nose ring out.
A science teacher inadvertently fires an unstable laser, which bounces off a mirror and strikes him in the eye. He is later seen wearing a bandage.