This study examined the impact of medication management compared to a psycho-educational program on parent and teacher ratings of children with combined type ADHD. The study lasted 14 weeks and included 50 children. 17 children took medication, 17 received psycho-educational intervention, and 16 children were assigned to the control group. The measures used were the IOWA Conners Scale, the School Problem Inventory, the Abbreviated Conners, and the DSM-IV Inattention-Disorganization and Hyperactivity-Impulsivity rating scales. Regarding teacher ratings, improvements were observed on: a) inattention and school problems in the medication group versus the control group; and b) hyperactivity symptoms in the psycho-pedagogical group versus the control and medication groups. Regarding to parent ratings, improvements were observed on: a)inattention in the psycho-pedagogical group versus the control and medication groups; and b) hyperactivity symptoms in the psycho-pedagogical group versus the control and the medication groups.