Teaching is one of the most challenging, underrated, and yet often deeply rewarding professions you could go into. There's a lot you can learn from trying to teach a room full of (mostly) disinterested students. Here are some of the biggest lessons I learned and am still applying today.
For background, I spent a few years teaching English and sometimes Art to students of various ages—including gifted middle schoolers, high school freshmen, and community college students. The things I learned from all of them were universal, though.