* TheDanza: Creator/BillyConnolly as [=Billy MacGregor=].
* DawsonCasting: Dan Schneider was born in 1966. You do the math.
** Tony O'Dell was born in 1960. Dan Frischman, playing one of the students, was born in 1959, making him ''27 years old'' when the series began.
*** Basically most of the cast other than Tannis Vallely (Janice), who was the first one to leave (she was ''really'' smart).
** TV Guide commented on this when they featured the finale on its cover, saying it was nice to see a bunch of 30-year-olds graduate.
* HeyItsThatGuy: [[http://www.youtube.com/watch?v=Z3hIB6FcXn4&feature=related A young Brad Pitt.]]
** The two biggest recognizable names from this series are actually most recognizable for their work behind the camera: Brian Robbins and DanSchneider. Speaking of which...
** John Cameron Mitchell appeared in a few episodes as Manfred.
** [[Film/IndianaJonesAndTheTempleOfDoom Short Round]] played Jasper in the last season.
* PermanentPlaceholder: Mr. Moore, a substitute teacher, becomes the permanent teacher of the advanced history class during the MidSeasonTwist.
* WrittenByCastMember: "Will The Real Arvid Engen Please Stand Up?" was the first writing credit for Messrs. Robbins and Schneider. It would definitely not be the last.