The article presents the materials of a research aimed at identifying the peculiarities of the socialization of students of general secondary education institutions of communal and private forms of ownership in the conditions of digitalization of the educational environment and war, collected through an online survey. Based on the data of the empirical research, the socialization contexts of the development of students of the 5th – 11th grades were singled out; its interpretation was carried out in relation to the actual needs of schoolchildren and satisfaction in the conditions of the educational environment. Socialization contexts are structured into ten lines of development of schoolchildren, namely: social-emotional development, social-communicative interaction, social behaviour, sociallyoriented activity, social activity and initiative, social competence, social well-being, social experience, social (digital) identification, social expectations, which are revealed in an integrative relationship and with a certain penetration of the socio-emotional. Using examples of the features of the socialization contexts of schoolchildren’s development in the conditions of digitalization of the educational environment and war, signs of the manifestation of tendencies are outlined and possible risks of their development are predicted. The study reflects the age-specific peculiarities of thinking and skills of adolescent and senior schoolchildren, their assessment of the situation of social development in the educational environment and the possibilities of their own participation in its optimisation, as well as their idea of an ideal educational environment. The data of the experimental section can also be interpreted in terms of the state of the social component of learning losses in its individual characteristics, and can be used to optimise educational practice, in particular, to design the educational and developmental environment of general secondary education students during the war and in post-war reconstruction.