Won the Audience Favorite award at the Nashville Film Festival.
According to director Brian Dannelly, before production, several fundamentalists working on the film quit. A church, a Christian rock band and the homeowner whose house was to be used for important scenes pulled out of productions because of objections over the film's unflattering content.
As Pastor Skip enters the school library to talk to Hilary Faye and the Christian Jewels about Mary, there is a READ poster featuring R.E.M. visible over his shoulder. Michael Stipe is the lead singer of R.E.M. and also co-produced the film.
The role of Hilary Faye was originally given to 'Anne Hathaway' , but funding fell through and Hathaway was due to start Ella Enchanted (2004). This lead to Hathaway being replaced by Mandy Moore.
According to producer Sandy Stern, the film had gone through "about 200 rewrites". The original script had Hilary Faye, played by Mandy Moore, shooting up the school.
In the original script, Hilary Faye and Cassandra were supposed speak in tongues to each other.
The woman who coached Mandy Moore and Eva Amurri on speaking in tongues gave them several phrases that they could repeat, including "she bought a Hyundai" and "untie my bow tie."
All the prom songs performed by the Christian rock band were actually by The Replacements, a rock band from the 1980s.
The porn magazine that Dean hides under his mattress features Chris Steele on the cover.
The producers went through normal channels to try to obtain the rights to include a piece of the title song from the musical "Jesus Christ Superstar", but all their requests were denied. Finally, a friend gave them Tim Rice's personal phone number, and after seeing and loving the movie, Rice agreed to grant them the right to use the song.
The Hebrew on Cassandra's necklace (visible during the Christmas food court scene) says "Cassandra".
The gun that Hillary Faye uses at the target range is an IMI Jericho
Hilary Faye's License says JC Girl
When Mary is walking down the street, right before Hillary Faye and her friends try to exorcise her, The Exorcist (1973) theme music is playing.