As if teachers don't have enough on their plates, they sometimes get students who think they don't need to learn anymore , because they already know all there is to know. When you're a teenager, you think you know everything there is to know. You want to be treated like an adult already! You've been in school for over a decade, and you think that now that you've passed a calc class or two, you may as well take a break from learning. When I was a senior in high school, a teacher told me that by…