The Russian language, as the state language, is given an honorable and important role, uniting all nationalities together. For its mission to serve the unity, solidarity, and mutual understanding of all the peoples of Russia, a mandatory national educational program has been approved, operating throughout the territory of the Russian Federation. The present article is dealing with the problem of mastering the Russian language. The goal of the research is to study the etiology and specifics of writing disorders in primary school children studying at general education school and to develop differentiated strategies for teaching pupils with various manifestations of dysgraphia. Methods used during the preparation of the article included theoretical research, such as learning, generalization, analysis, synthesis, axiomatics, as well as empirical techniques, namely, observation and comparison. Results and novelty of the research consist of clarifying information about the state of the problem of writing disorders in contemporary schoolchildren, updating scientific ideas about the contingent of primary school children in need of correctional assistance from specialists; applying an interdisciplinary approach to the study of the etiology, mechanisms, causes, and specifics of various manifestations of dysgraphia in primary general school children; supplementing the scientific data on the impact of didactogenia on the quality of learning writing and the formation of dysgraphia in pupils with difficulties in the assimilation of the program learning material on the Russian language; as well developing high-performance speech technologies for the early detection and elimination of violations of written language and difficulties in learning academic courses of the Russian language.