The school in the film is the St. Thomas Aquinas Catholic School in Reno, which was not operated as a school at the time of filming.
The film originally invited Bate Meidel as the heroine. The script was written for her, but she declined the invitation due to scheduling issues
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When Rudnick was writing the script, he went to a monastery in Connecticut to experience life.
Where Whoopi Goldberg hides is the Catholic Church of St. Paul in San Francisco.
Paul Rudnick completed the original script in 1987, and Betty Miller was originally scheduled to star in Deloris Cartier.
The director thinks that Reno's police station looks "not like a police station", so he chose Reno's post office as the location of the police station in the film. The police car parked at the entrance of the post office is actually a patrol car driven by the security personnel of the film
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The producer specially invited the Bruce Brothers band to star in the film
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