"Rage" was also the title of the first novel that Stephen King published under his pseudonym, Richard Bachman. That novel climaxed with a school shooting and, after a string of real school shootings, King decided not to allow the book to be published anymore. Interesting enough, this sequel was released only one month before the Columbine shooting.
During filming of the climatic party/bloodbath sequence, it took three attempts to shoot Rachel using her telekinetic powers to shatter the glass doors. On the first take, Emily Bergl flinched, and on the second take, she showed her clenched teeth. On the third take, they were able to finish the scene as they wanted it with her showing no facial reaction. Real glass, shattered by the blowers, was used for this scene, and Emily received multiple cuts on her skin (back, arms, legs, and backside) after the shooting of each take. She is deliberately not shown afterwords from the back to hide her injuries.
During Jesse and Rachel's first real date, Jesse tells Rachel she's unlike anyone he's ever met, and Rachel replies that she actually sometimes wishes she could just be one of the "shiny, happy people". Sometime after this movie, Emily Bergl, who plays Rachel, went on to guest-star in Grey's Anatomy: Shiny Happy People (2010).
Originally entitled "The Curse" and later "Say You're Sorry", before the final title "The Rage" was chosen. Curiously, the Brazilian-Portuguese title for this film is "A Maldição de Carrie" ("The Curse of Carrie").
Charlotte Ayanna plays Tracy Campbell in this film, a popular girl who takes part in the cruel prank to mock Rachel and turns fatal. In Jawbreaker (1999), Ayanna played another popular girl, who died in the beginning due to a terrible prank gone wrong. Her parents were played by two actors who starred in Carrie (1976) as popular kids who played different parts in altering Carrie's life through prom night.
Katt Shea took on the role of director after Robert Mandel quit over creative differences and as a result had two weeks worth of footage to reshoot. Only Shea's name is listed as director in the opening credits.
A few weeks into production, director Robert Mandel quit over creative differences and Katt Shea hurriedly took over the reins with less than a week to prepare to start filming, and two weeks' worth of footage to reshoot.
The burnt down high school that Sue Snell takes Rachel to was actually a yarn factory that had burned down and the remnants of which were left there. Kat Shea had also filmed a scene of Rachel kicking a metal bucket aside, but cut it out of the final edit as she found it to be too silly.
The trivia items below may give away important plot points.
When Mark's party first starts kicking off, Chuck begins roaming around with his camera on the partygoers. When he sees a guy throwing some liquid substance into the expensive pool, he puts the camera down long enough to warn him that if he breaks anything in the house, heads are going to roll. This turns out to be a terrible prediction of what happens when Rachel's powers go crazy: almost everything is broken in the house and Chuck is decapitated by shattering glass.
In the trailer, Arnie says "We're missing another killer party" as hell breaks loose, directly referencing the events from Carrie (1976). In the final cut of the film, however, his line changes to "We're missing one killer party".