Replying to New Generation of Kids?

Today I started as a teachers assistant for a freshmen biology class at my high school. It is a pretty awful class and the teacher doesn't have a good handle on them. When she left the room for literally 1 minute, a group of them started snorting smarties because they thought it would make them smarter. Then they began to dance around the classroom cursing like crazy. I don't know if this is normal behavior for young teens, or are kids just total weirdos nowadays?