All these changes place the teenager in a time of uncertainty and confusion, which can be seen reflected in absentia and making bad decisions. Keywords: moral development, antisocial conduct, adolescence, culture of legality family, school, neighborhood, environments, friends, psychosexual, social levels, physiological changes, antisocial behavior, temperament, impulsivity, community IntroductionĪdolescence is the transition between childhood and adulthood, this stage characterizes by biological, morphological and physiological changes, and within these three changes the sexual, psychosexual and social levels develop. According to the theory of Kohlberg, the level of moral development of adolescents before and after the course was a constant variation between the pre-conventional and conventional level. This course has been implemented in both school and non-school environments, to discuss moral dilemmas, and moral reasoning to investigate the moral development. Participants were adolescents who have incurred the commission of any antisocial behavior and those who are likely to commit it, who attended a course of Culture of Legality along eight sessions. For this purpose, research was carried out following the constructivist paradigm with a descriptive qualitative design. This study sought to recognize the level of moral development of adolescents who have committed an antisocial behavior and those who are prompt to it.