Students are curious and motivated individuals especially when it comes to breaking the rules or mocking each other. They'll go to impressive lengths in order to tastefully vandalize restrooms or expertly cheat the system. You can't tell them it's the right thing to do, but it's at least impressive. To give the kids some credit, here's a Tumblr thread on a teacher who underestimated their students during a social experiment.
The world is full of contradictions. We have biological rules and invented bureaucracies that make no sense. Things aren't named what they mean. We even have words that just seemed to have popped in from nowhere, and odd linguistic tics that are crazily inconsistent. For more stuff about this strange world, here are weird and specific facts to alienate strangers with.