Bad Teacher is a 2011 American comedy film directed by Jake Kasdan and written by the writing team of Lee Eisenberg and Gene Stupnitsky. Starring Cameron Diaz, Justin Timberlake, Lucy Punch, John Michael Higgins, and Jason Segel, the film tells the story of a middle school teacher who hates her job, her students, and her co-workers, but returns to teaching after her wealthy fiancé breaks up with her.