We see a dead body. His brain is on the floor with lots of blood.

A man dies by putting himself in a washing machine and spinning around in it. It is not shown, but sounds are heard.

A boy runs in front of a car and gets hit by it, getting jammed in the front wheel. There is a lot of blood and the driver dies by hitting his head on the window, which is covered by blood.

A woman slices the skin off her fingers and it's implied that she pierces her ears with a piece of broken pottery.

Two boys hit one of their companion in the class.

One utterance of "ass"

1 F word, 2 - *sshole and 1 - *ss.

One of the high school student came out of the bathroom stall with a cigarette.

A high school student's has something growing on his back and you can see pulsating spiral aka uzumaki. In another scene, Science teacher grading his students papers, he begins to see spiral pattern as he grades one of the papers and even his back starts to show a pulsating spiral pattern and even his eyes change from one color to white. In another scene, we see news crew at the high school where they are reporting seeing a giant snails and when they panned the camera to the high school, you see two giant snails with human parts like human heads, arms etc. Now that's creepy.

There are a couple of jumpscares.

A man rolls his eyes in separate directions, both shown at the same time.

A centipede crawls into a woman's ear.

Faces of the recently deceased are shown in smoke formations.

A boy twists his body around into a spiral. There is no blood.