I knew better than to do anything to cause problems, too. My parents wouldn't have put up with anything like that from me, but then again, I had no desire to cause problems. I always had a tendency to consider the costs of my actions before doing something stupid. Kids now don't consider the costs because they don't have to bear them.
We have to reinstate costs that the students alone must pay. Until we do, there will be students who won't behave.