Sideways Stories from Wayside School is a 1978 children's novel by American author Louis Sachar, and the first book in the Wayside School series.

Wayside School is a series of three chapter books written by Louis Sachar, consisting of: Sideways Stories from Wayside School (1978), Wayside School is Falling Down (1989), and Wayside School Gets A Little Stranger (1995). The books tell the stories of a school built 30 floors high, with one classroom per floor, but no 19th floor. Each book contains 30 chapters.