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Classroom Crack-ups! is a SpongeBob SquarePants joke book written by David Lewman and published by Simon Spotlight/Nickelodeon on June 27, 2006. It is based on the episode "New Student Starfish." The book was republished in 2007.  It has 48 pages.
Most of the jokes in this book take place at Mrs. Puff's Boating School.
Presents jokes about school and the characters from the television show SpongeBob SquarePants.
These three jokes are seen on the back of the book:
He wanted to get high grades.
It just didn't add up.