Children identified for this research will be a sample of 6th grade students enrolled in 19 public middle schools in Detroit, Michigan who meet the following criteria: 1) attend a participating school, 2) be 11-12 years old at the time of entry into the study (enrolled in 6th grade) and 3) based on NAEPP guidelines (a) have a diagnosis of asthma and have active asthma symptoms and/or have received a prescription for asthma medications in the last year, or (b) report the presence of 3 of 5 non-exercise related asthma symptoms in the last year on five or more occasions, or (c) report two or more exercise related asthma symptoms in the past year on five or more occasions, or (d) have a severity classification of persistent disease (mild, moderate, severe) based on night time questions, and 4) have returned a signed parental consent form.