This paper examined how social skills such as social expressivity, social sensitivity and social control could predict the variability of academic self-concept among secondary school students in Obio-Akpor Local Government Area of Rivers State. Three research questions and three corresponding hypotheses guided the study. Correlation design was used in the study. A sample of 357 senior secondary two students drawn by multi-stage sampling technique through non-proportionate stratified random sampling method in all the three stages was used. Two researchers’ made instruments were used to gather data. The instruments were tagged: Students’ Social Skill Inventory (SSSI) and Students’ Academic Self-Concept Assessment Scale (SASAS). The instruments were face validated and a reliability coefficient value of 0.74 and 0.77respectively were obtained and hence considered adequate for the test of reliability. Result indicated that social skills: social expressivity, social sensitivity, and social control separately predicted academic self-concept. In view of the finding, it was recommended that students should be encouraged to develop their social skills due to their connection with academic self-concept.