Among the students paged over the school's PA system by an uncredited Lucy Lawless are Samuel and Theodore Raimi. Ted Raimi is Lawless' co-star on Xena: Warrior Princess; Ted's brother Sam Raimi is the show's executive producer.
Due to the fact that the film features teenagers in violent situations the production had difficulty getting funding because the Columbine massacre and other school shootings had recently occurred.
Karen Walton was apprehensive about being screenwriter because of the horror genres reputation of negatively portraying women. Director John Fawcett convinced Walton that the film would break these cliches and Walton took the role of screenwriter.
Along with the irony of stars Katharine Isabelle and Emily Perkins auditioning on the same day the two actresses were also born in the same hospital, attended the same pre-school, elementary school, and private school, and worked through the same talent agency.
Writer Karen Walton singled out Emily Perkins and Katharine Isabelle's audition tape and said their performances were the exact way she had envisioned the characters of Ginger and Brigitte. The two were cast as the leads.
The production searched for sixth months to find the right actresses for the roles of Ginger and Brigitte, but were having no luck. Ironically after such a long casting process Katharine Isabelle and Emily Perkins auditioned on the same day and landed both roles.
The opening shots of the girls fake suicides had to be shot on location at an actual home. Someone would have to distract the home owner's four year old child whenever the actresses, who would be covered by fake gore, would have to come inside to change.
Many of the 'day' scenes had to be scheduled to be shot at night. The crew brought in a large four eighteen kilowatt light to flood the filming locations with light so it would appear to be day on film. Reportedly the light was strong enough to be seen by aircraft in the sky.