In an athletic game called "Save the Citizen" a dummy is slowly lowered into a pit of rotating spikes. In one scene, the spikes tear a dummy apart and a teacher says "remember when we used to use real citizens?"
The main character has a car fallen on him but falls down on time. He is shown underneath the car. Next, the platform he is standing on jumps out which makes him fly across the room, hits on a wall, and falls down.
A gym coach shouts which makes glass shatter. Meant for laughs.
A girl controls plants and uses them to capture cloned cheerleaders. They are not harmed afterwards, but are tied for punishment.
Several scenes of cartoony superhero style violence. This is non fatal and with no gore but there is punching and hitting.