College is the time to put away childish things. It's time to reinvent yourself and be someone new. The stereotypes that defined you in high school no longer hold you down.
But sometimes its too hard of a mold to break out of. And other times, some people don't want to. And amongst the Greeks, you can still find the geeks. You don't have to look further than the Warblers or the Mathletes. Though national ranking champions, sometimes things never change.