Classroom Crackups - SpongeBob SquarePants Author:Nickelodeon Why did Patrick bring a ladder to school? He wanted to get high grades Why did SpongeBob call his math homework a "mystery"? It just didn't add up. Laugh out loud at these school-themed funnies with SpongeBob and his friends! Included in this collection are more than 100 jokes that are sure to please students of all ages!