The article is devoted to the study of forms of advanced training of teachers in the Caucasus in the late XIX – early XX centuries. The study analyzes the vector of their changes from short-term courses to pedagogical congresses. When writing an article, historical-comprehensive and problem-chronological methods were used, which allowed to trace the dynamics of the development of forms of advanced training of teachers in the Caucasus in the late XIX-early XX centuries. A source analysis of archival documents and publications in periodicals was also used.