Inability to speak and understand either English or Spanish

No access to a working phone for follow-up surveys

The family planning to leave the school district within fewer than 6 months

The child having other significant medical conditions that could interfere with the assessment of asthma-related outcome measures

children in foster care or other situations in which consent cannot be obtained from a guardian

Current participation in other local asthma interventions

School-based Asthma Therapy: Stage 2 Effectiveness Study