Trauma-focused counselling (T-FC) and social effectiveness skills training (SEST) were used on impaired psychological functioning of early adolescents in IDP Camps in Nigeria. The factorial quasi-experimental design was adopted. While the cluster sampling technique was used to select 60 participants from the IDP camps and were randomly assigned to T-FC (20), SEST (20) and control (20) groups, the Kessler Psychological Distress Scale (α = .81) was used to screen the participants for impaired psychological functioning and adolescents' psychosocial functioning inventory scale (α = .90) was used for data collection. Analysis of covariance was used for data analysis. The two interventions significantly improved psychological functioning of displaced adolescents that was impaired [F(2,57) = 239.29; partial ῆ 2 = 0.89]. It was concluded that T-FC and SEST were found to be potent on impaired psychological functioning of adolescents in internally displaced camps in North-Central Nigeria.