"School of Rock" opened on Broadway just a few years after "Billy Elliot" closed but, even though the shows have some surface-level similarities, it's hard to think of two more different stories. The earlier show was a rough-and-tumble look at a working class young boy's potential escape from his impoverished life; the latter was about adults who act like children and very posh adolescents learning to shed some of their rich-kid stuffiness. Both shows were handicapped in their long runs becau...