Burt Reynolds was originally cast as Benedict but was replaced with James Woods as the producers thought Reynolds' performance was too over-the-top and sinister.
When the kids at the music camp are sleeping three beds have names Luciano, Jose, and Placido. These are the first names of the 3 Tenors: Luciano Pavarotti, Jose Carreras, and Placido Domingo.
Production on the film began in 1998 and ended in 2000.
At one point in the movie, Miss Finster yells out "HEY, Teacher! Leave them kids alone!". That is a line from, and a direct reference to, the 1979 hit "Another Brick In The Wall Part 2" by Pink Floyd and later done by KoRn.
HIDDEN MICKEY: When the kids, hiding in the heating duct, witness the tractor beam being tested, the first shot of the moon being hit shows a cluster of craters on the upper right side, shaped like Mickey Mouse's head.