"School of Rock" is a 2003 comedy film directed by Richard Linklater and stars Jack Black as Dewey Finn, a struggling musician who poses as a substitute teacher at a prestigious prep school. He discovers the musical talents of his students and forms a rock band to compete in a local battle of the bands, aiming to win the prize money. The film explores themes of self-discovery, creativity, and the importance of music education. It received positive reviews for its humor and performances, particularly that of Jack Black, and has since become a beloved family film, inspiring a stage musical adaptation.