There was a terrible mistake-Wayside School was built with one classroom on top of another, thirty stories high (The builder said he was sorry.) Maybe that`s why all kinds of funny things happened at Wayside-especially on the thirteenth floor. There was a terrible mistake-Wayside School was built with one classroom on top of another, thirty stories high (The builder said he was sorry.) Maybe that`s why all kinds of funny things happened at Wayside-especially on the thirteenth floor.