This study examines adolescent hope as a mediator between connectedness to mother and father, and positive and negative child outcomes. Participants included 489 adolescents aged 9 to 14 years (M = 11.29; SD = 1.01) and their parents from the "Flourishing Families Project", and data were analyzed using structural equation modeling. Results suggested that hope mediated the relation between child-reported parent-child connectedness and adolescents' prosocial behavior, school engagement, and internalizing behavior. Mother-and father-reported connectedness were not related to adolescent hope but were directly related to behavioral outcomes. This study highlights the importance of adolescents' cognitive-motivational processes for both positive and negative outcomes and has important implications for prevention and intervention programs. (Contains 4 tables and 1 figure.)