When doing a voice-over as Mrs. Howard in a video, Principal Coleman says "I do good voices, huh? I should pursue that more, like cartoons or something." The actress Janelle James does actually voice multiple characters in the animated series Central Park.
The plug that Jacob finds to fit into the fax machine has a UK-style plug.
The way Jacob reads Janine's wishlist at the very beginning loosely follows the melody of the first line of "My Favorite Things" from "The Sound of Music." "Pencils, erasers, and left-handed scissors" - "Raindrops on roses and whiskers on kittens."