The article describes the analysis of transformation of food services at secondary school establishments in Kyiv. The main goal was to provide children with sufficient qualitative and safe food. Factors that contribute to the solution of this issue were identified. It was proved that the food service is an important part of this task. The current state of food service at school canteens and cafeteria was assessed. The following different method and ways of service were investigated: multi-profile nutrition, self-service with different payment methods for food, service by cooks and waters. The benefits, possible short-comings and difficulties of use of different methods were defined. Correctness of the use of these methods for the students of different age groups was scientifically proved. The measures which negatively impact the service level were also identified based on scientific research. The responsibilities of parents and other executive persons as moderators of food service process at school canteens were defined. The value of appropriate material and technical base which complies with building codes and rules as well as sanitary, hygienic and environmental standards for the serving process was demonstrated. The importance of customer service quality control was shown. The necessity of a study of customer demand with the help of surveys among students, teachers and parents was demonstrated as well as with the help of automatic system which will help to work out the number of methods for improving student service quality. A number of limitation factors which are introduced in connection with the spread of coronavirus infection were characterized and the assessment of these limitation factors on the quality of customer service was shown. The recommendations about using different limit methods were given. The necessity of new tender requirements to the food service providers in secondary schools were pointed out, which is supposed to improve their responsibility for the quality of service provided. The legitimacy of the use of various terms in the field of service was theoretically substantiated. The scientifically substantiated classification of methods and forms of service of students was carried out. The areas of work to bring the quality of food organization to the requirements and preferences of students were identified.