* 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.
* 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.
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