Jonah Hill lost over forty pounds for his role, because he and Channing Tatum were required to do several physically demanding stunts.
Originally, the drama teacher talks about doing cocaine with Whitney Houston's niece. After Houston died, the line was changed to "Doing cocaine with Willie Nelson's horse."
When Channing Tatum and Jonah Hill exit the limo and enter the prom, the two guys dressed as ushers standing on both sides are their stand-ins.
Holly Robinson Peete: appears as an older Judy Hoffs when the guys choose the car from the motor pool.