The purpose of this research was to identify parental involvement variables which are effective in improving the Reading and Math achievement of children with Attention Deficit Hyperactivity Disorder (ADHD). A conceptual model examining achievement as influenced by background variables and parental involvement variables was hypothesized. Background variables of socio-economic status, ethnicity, gender, child age, and ability were proposed to affect parental involvement variables which were represented by expectations, communication, structure, participation, homework procedures and time, TV time, medication, special education, and the outcome variable, achievement. Parental involvement variables were proposed to have direct affects on achievement. Data from a sample of 208 families with a child diagnosed as having ADHD and attending elementary school (grades Kindergarten through sixth) were subjected to path analytic analyses using multiple regression procedures. Findings were generally inconsistent with much of the previous research on parental involvement within the nonADHD population. Results did suggest some parental involvement variables which had differential, important effects on achievement depending on which criterion was used (Reading or Math grades). It was suggested that these findings were indicative of the behavioral and management problems seen in children with Attention Deficit Disorders, but that there do appear to be certain strategies parents can use to help their ADHD children achieve at a higher level in school.Ed. D.