The great end of education is to discipline rather than to furnish the mind; to train it to the use of its own powers, rather than fill it with the accumulation of others.
No matter where you are in your life, whatever set of people you're with, it all still breaks down like high school does. You have your social cliques, you have the people you get along with, the people you don't and the people you're ambivalent about. All of the dynamics are still here.