The study is dedicated to teachers of national schools that were created in Soviet Russia. The specific object of study was the teachers of Latgalian schools. Latgalian were recognized as an independent ethnos exclusively in the RSFSR (USSR). A significant number of immigrants from Eastern Latvia — Latgale lived in the territory of Western Siberia. It was here that they were given the opportunity to create national theaters and schools, to print literature and time editions in their native language.