The Medical-education-community Collaborated Intervention adds an additional part in comparison with the control group of classroom management guidance for teachers, review and practice organizational skills based on school daily activities in the school, teacher rewards and encouragement of students.

It is a repeated measurement. The Swanson, Nolan, and Pelham Questionnaire (SNAP-IV) Rating Scale is a revised version of the Swanson, Nolan and Pelham (SNAP) Questionnaire that utilizes the DSM-IV criteria for ADHD and oppositional defiant disorder, rated by caregiver or professionals. It comprises three subscales: Inattention, Hyperactivity/Impulsivity, and Oppositional Defiant Disorder. The score of each item is rated with a 4-point Likert scale (0 = not at all, 3 = very much). We choose the total score ofInattention and Hyperactivity/Impulsivityfor the evaluation of change in ADHD symptom in children. The score is calculated by adding all the items inthe two subscales. The change of score is calculated by score at 3 months enrollment minus score at baseline (enrollment).

It is a repeated measurement. The Behavior Rating Inventory of Executive Function(BRIEF) Scale reflects the performance of children's deficits in executive function in daily life, which covers a number of organizational skills involved in organizational skills training. We choose the total score ofBRIEF for the evaluation of change in organizational skills in children. The score is calculated by the published recording chart. The change of score is calculated by score at 3 months enrollment minus score at baseline (enrollment).