The Multidimensional Adolescent Assessment Scale is a tool for the assessment of the severity of personal and social problems in adolescence. It is composed of 16 subscales relevant to adolescent functioning, including depression; self-esteem; problems with mother, father, or family; personal stress; problems with friends or school; aggression; suicidal thoughts; feelings of guilt; confused thinking; disturbing thoughts; memory loss; and alcohol or drug use. The scale was designed for use by practitioners in a variety of disciplines to assess a comprehensive array of problem areas to facilitate diagnosis and targeted treatment planning. This article provides a description of the scale, explains the method of scoring, and presents the psychometric properties of the instrument.