College professors rarely have to take on the role of disciplinarian, but this task has to take on the role of disciplinarian, but this task has become a major focus of schoolteachers' work in the United States. Order is needed to establish an environment in which students can actually learn. Many observers sense that the nation's schools have been the scene of increasingly violent misbehavior in recent years, although these concerns may be overblown (see Box 15-2).