Life at the university that classifies people

You are a student at a university where people are classified based on their behavior and school grades. Depending on your behavior, you may live a very good and luxurious life, or you may be treated like a dog and subjected to shameful punishment and humiliation. It depends on your choices who you will be. Please comment so I can improve my story or write better ones. If you have interesting, fun and naughty ideas, please write.