This study evaluated the effects of teacher adherence to behavioral treatment on student outcomes. Eighty-four children (ages 7-11) completed a 12-week, collaborative school-home behavioral intervention designed for youth with significant attention-deficit/hyperactivity disorder symptoms and impairment. Teacher adherence was assessed via school mental health provider (SMHP) ratings and Daily Report Card (DRC) implementation. Pre- and post-treatment outcomes included parent and teacher ratings of…