At the present stage of the development of pedagogy, due to the tendency to axiologize education, special attention should be paid to the spiritual and moral development and education of the child's personality. In the process of studying at school, the subject of «Russian language» occupies a leading position, the metasubject educational functions of which make it possible to involve schoolchildren in the spiritual richness of Russian culture and literature, and the cultural and historical experience of mankind. In this regard, it is necessary to provide scientific and methodological support for the process of forming a value attitude of students to the Russian language, which allows organizing Training and Learning activities of high school students on a value basis. The purpose of this publication is to theoretically substantiate the conceptual model of forming the value attitude of high school students to the Russian language in the lyceum educational environment. Research methods and methodology. In the course of the work, the following methodological approaches were used: axiological, system-activity, environmental approaches, modeling method. Research results.1. The conceptual model of the formation of the value attitude of high school students to the Russian language in the conditions of the lyceum educational environment has been substantiated. 2. The substantive and procedural aspects of the process of forming the value attitude of high school students to the Russian language are characterized. Practical significance. The model of the formation of the value attitude of senior pupils to the Russian language in the process of classroom and extracurricular educational activities in the conditions of the lyceum educational environment, aimed at understanding the Russian language as a national and cultural value, may be in demand in further studies considering the value approach in education, the value-oriented aspect of teaching native language, as well as to be used in the development of special courses for students, graduate students and teachers on the problems of learning a language from an axiological standpoint.