More humorous episodes from the classroom on the thirtieth floor of Wayside School, where students learn to tango, face the cafeteria's dreaded Mushroom Surprise, and study a hobo during Show and Tell. Sequel to "Sideways Stories from Wayside School."
Unusual things continue to happen in the classroom on the thirtieth floor of Wayside School, which was accidentally built sideways with one classroom on each story.
The children from Mrs. Jewl's class are all back, including Sharie, Kathy, and Jason, and they are all preparing for the Ultimate Test. However, there is a dark Cloud of Doom hanging over the school that is doing strange things to the students.