You shouldn't yell at people in class.
Nick is teaching his 3rd grade class when Jimmy in the back keeps being disruptive and talking to his friends.
Nick wants to get Jimmy to stop disrupting the class.
Nick tells Jimmy that he needs to get up and go to the principal's office because he's not capable of behaving.
Nick throws a piece of chalk hitting Jimmy in the face and then screams at him for being a loser and tells him to shut up.
Jimmy goes to the principal's office where his parents are called in, and he learns a valuable lesson about following rules.
Jimmy is traumatized as he gets screamed at by an angry Nick and embarrassed to be called a loser in front of everyone.