Abstract: The subject of the research is the influence of the remuneration system features on activity motivation and the psychological well-being of a modern teacher. The object of the study is the features of the motivational sphere of personality of a modern teacher in the context of the requirements imposed by society to fulfill the mission of a modern school. The author deals with the negative manifestations of the personality reactions of a teacher under the employed procedure of remuneration formation - job dissatisfaction and burnout. Alternatively, the author suggests a system of a cross-functional structure as a possibility to satisfy the higher-order motives for teachers. The author gives much attention to the analysis of the need factors in labor activity from the perspective of various motivation theories. The research deals with the issues of the impact of motivational factors with the use of methods of comparative and logical analysis. An empirical study conducted in 2018-2019 resulted in obtaining new test material, the statistical interpretation of which allowed the author to conclude the destructive manifestations in the activities of 192 teachers of the Republic of Buryatia. The main conclusions are about the limitations in the activities of teachers associated with the current system of remuneration for the performed work. Traditionally, one regards the issues of the motivation of teachers from various perspectives as a multidimensional construction; however, the modern psychological literature does not clearly indicate the influence of the current form of remuneration as a motivating factor. The study is novel in that it deals with the consequences of the negative influence of the equalization system of remuneration on dissatisfaction with work, burnout of teachers, and destructive manifestations that affect all participants of the educational process. The study is novel in that it deals with the system of teacher's remuneration as a factor that intermediates the correlations between professional motivation and the level of psychological well-being.