Miss Crumble (Krysta Rodriguez) starts saying, "Wheeler" several times, like Ben Stein's character did in "Ferris Bueller's Day Off". Principal Burr is played by Matthew Broderick, who also played Ferris Bueller.
Colin Ford played in Supernatural. The 2 main characters are Sam and Dean.
At the 38:43 mark, at the start of the apocalyptic explosion, the license plate 2GAT123 appears on the car in front of Josh. This license plate has become ubiquitous and is nearing mythical status as a Hollywood prop. It has appeared in numerous commercials, TV shows, and films, including L.A. Story, Beverly Hills Cop II, Stuber, Training Day, The Little Things, and many many others.