Asthma is one of major causes of morbidity and mortality due to chronic diseases worldwide with higher mortality and morbidity in adolescents. Interventions directed to adolescents and systematically developed within the school environment has been performed around the world. In spite of that, studies such Bruzzese (2004; 2011) have already shown that clinical interventions associated with educational activities in group composed of individuals with similar lifestyles and characteristics are able to modify the behavior of the individual as well as reduce emergency room visits and hospitalizations. Thus, it is necessary to develop this study.