In this episode of Heads Down Two Thumbs Up, Bill and Carla discuss School of Rock. This iconic movie features Jack Black as a slacker musician who, in a moment of desperation, lies to get a substitute teaching gig at a pretentious elementary school. Joan Cusack plays the uptight principal who only lightens up when she hears Stevie Nicks. Does this movie stand the test of time? Does it accurately portray life in an elementary school classroom? Is Jack Black the single best or worst substitute teacher ever? Listen and find out!