School of Rock is one of those timeless movies that has appealed to both kids and adults ever since it's initial debut. A big reason for that is the star power behind the movie's lead Jack Black. Jack Black brings a unique energy and point of view to the character Dewey Finn, and to a point that it couldn't be replicated by any other actor. School of Rock didn't make Jack Black's career, but it will always be one of his most popular films.