Quotes
Dewey: Billy what makes you angrier than anything in the world?
Billy: You.
Dewey: Billy, we've already told me off, now let's move on.
Billy: You're tacky and I hate you.
Dewey: Ok, you see me after class!
Mistakes
When Dewy is saying that they should keep the project under wraps, he has his hands on the Gibson SG. Camera cuts and now they are at his face. See more...
Trivia
Miranda Cosgrove, who plays Summer Hathaway, actually has a really good voice and plays guitar. She had to take a 45-minute class to learn how to sing badly for the one scene where she sang "Memories." See more...
Movie Mistakes blog
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Top 15 biggest Harry Potter film mistakes
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Other great sites
School of Rock (2003)
Directed by Richard Linklater, starring Adam Pascal, Jack Black, Joan Cusack, Mike White (add more)