Since teachers have one of the toughest jobs in the world, it’s not surprising to learn that many of them take time out of their days specifically for antic in hijinks. A teacher with a good sense of humor isn’t just a bonus: It’s essential in keeping their sanity throughout the day. Imagine trying to teach a classroom full of students who are predisposed to boredom and not having any comic relief? Impossible. These 35 teachers have harnessed the power of a good joke, whether it be in the classroom, on a test, or deep inside the pages of a yearbook. Their jokes are corny and fantastic, and you’ll be wishing you had one of these kinds of teachers as a kid. Then again, maybe you did, and just didn’t appreciate their general hilariousness at the time. Now worries: You’re definitely in on the joke now. #20 had me in tears.