The model of the dynamic structure of social situation of development is proposed. The orientation activity as the main concept of P.Ya. Galperin’s theory, amounted the basis to discuss the role and the functions of the orienting the image in the social situation of development structure. Orienting the image realizes the child’s activity-effective attitude to the world. The types of the orienting the images are allocated; the age-related specificity of the images is shown. The mechanism of the developing effect of zone of the proximal development is concretized and analyzed.  

The paper is aimed to present several results of the number of big scale international projects; their purposes were: 1) diagnosis of the contemporary adolescents’ psychological well-being actual level; 2) search of the ways to improve this level. Adolescent psychological well-being actual level has been monitored on different experimental fields in Russia, Ukraine, and Kyrgyzstan. After that multifactor intervention (with adolescents, their parents, teachers, and school administration) took place. The study results achieved demonstrate the intervention strategy efficacy and productivity, and allow defining a direction of further movement.

The role and functions of the child-parent relations and communication with peers in adolescence are considered as characteristics of the social situation of development. The developmental processes of the value, emotional, cognitive and behavioral components of autonomy in their heterochrony are discussed. The results of the research demonstrated complicated non-linear relationship between the level of personality autonomy and child-parent relation’s parameters (the level of parent’s control, the adolescent’s independence and self-management competence, communication and cooperation with parents). 

In the age-approach framework (L.S. Vygotsky, D.B. Elkonin) student’s perception of the moral atmosphere in the secondary school is discussed as the essential feature of the social situation of development. The results of the research cleared the role of the student’s perception of the moral atmosphere in the secondary school as the essential factor of the value and moral development in adolescence in the modern Russia society. The peculiarities of the perception of the moral atmosphere in the secondary school were revealed. The clusters of the different patterns of the perception of the moral atmosphere in school were described.