This is the first credited appearance of Doug Ptolemy in the series. Previously he appeared uncredited in the Popularity entry.
Brodie Osome and Alasdair Gillis appear as extras. Brodie appears in a Burgery scene, and both Brodie and Alasdir appear in a locker room scene. Neither have any lines.
Antennae drawn on the blackboard behind Mr. Schidtler look as if they're growing out of his head.
As a running joke, "SECKTS" is written on the chalkboard under "SOCIAL STUDYS".
This is the second episode in the series to feature the same scene in two consecutive sketches without a break between them. They used the classroom scene starting about 10 minutes in.