The aim 0/ this study was to see whether or not the psychological and Socialrnadjustments ol adolescent differ in different family structure consisting 0/ singlernparent. stepparent and intact families. The subjects ji-om these three variables wererncollected ji-om Addis ketwema senior secolldmy school/ound in Addis Ababa tOWII.rnAnalysis 0/ variance was employed to find the effect 0/ the independent variablesrnon psychological and social adjustment 0/ the adolescent. The t-test lor /amih'rnstructure showed that there were significant diflerences on both dependelllrnIll easures. Adolescents whose parents had experienced a marital dissolution werernsignificantly /el ver than those whose parents have not with respect to psychologicalrnalld social adjustment. Further more. adolescents in the stepparent groups reportedrnsigllificantly more psychological and social problems than adolescents in the singlernparent family. which suggests that the parent's remarriage crated more problelllrnthall being single parent.