Your favorite students and teachers are all here That includes Sharie, who loves her striped and spotted umbrella more than anything; Kathy, who has a bad case of oppositosis; Jason, who has to read the longest book in the world; and the rest of Mrs. Jewls's class on the thirtieth floor. They all need to prepare for the Ultimate Test, despite the Cloud of Doom looming above them. Welcome back to Wayside School!