Semantic structures of ordinary consciousness exposure, differentiating social and professional spheres in adolescence were investigated. Method of repertoire grating was used as a basic one. The participants estimated the degree of likeness of social stereotypes to corresponding professions. There were three groups of examinees: senior schoolchildren, students of professional schools and adults. Their results (evaluated by factor analysis methods) were different, showing characteristic sides of adolescent self-determination in professional sphere. It models specific properties of consciousness structure responsible for the peculiarities of idealization and social identification in adolescence. Different socialization types influence value aims in social sphere differentiation and in 1-concept formation.