It's not as simple as learning whatever it is that's being taught in your required gen-ed classes, though. It's about learning how to listen, how to speak, how to think. Learning who you are, who your friends are, the type of people you want as friends. Learning how to trust your innermost feelings, and how to find those feelings in the first place. It's about learning what's really important to you, and learning what you really don't give a damn about.
College is about learning how to tolerate, how to accept, how to like, and how to love.
It's about learning that your mom and dad actually do have the right answers sometimes, and that your kid sister isn't such a dumb little kid anymore. College is about learning how to treat people as people, not as stereotypes. Learning that sometimes a kiss isn't just a kiss, that sometimes it means more, and that sometimes it means less. Learning how to achieve, how to succeed, how to accomplish. It's about learning how to not come in first place and still be proud, and about coming in last and learning how to admit that you could've done better.