'Ugh, how much longer.' Not for the first time that thought crossed my mind. I was stuck at the school well after I would normally be home. You see, at the time, my school had a policy to save money that included keeping certain 'good' students after school to help clean up the school. We got extra credit in any class we choose, and the school didn't have to pay for a full-time janitor, since there were enough of us to ge...