In addition to their regular school work the width of teachers’ working field at the end of the 19th and in first decades of the 20th century included a variety of activity in the broader social, cultural and economic field. Teachers appointed to positions with decrees in areas and places previously unknown to them, quickly noticed peculiarities in the way of people’s lives, their customs and habits, their interesting traditional products. Life in Bela Krajina was marked by its border location and historical currents, which influenced the individual ethnological appearance. Individual teachers, who worked in this area, were so attracted by these peculiarities and characteristics, that they became actively engaged in taking notes, collecting and preserving the ethnological heritage of Bela Krajina. The article presents a few selected teachers, who were teaching in schools in Bela Krajina before World War II and who devoted themselves to the care of ethnographical material preservation. Among them were: Bernard Tomšič, Ivan Štrukelj, Leopoldina Bavdek, Božo Račič, Albin Čebular, Lojze Zupanc, Drago Vončina. Also priests were engaged in the pre-war school work, among them Jurij Kobe and Ivan Šašelj. The work of teachers is of great significance to the preservation of Bela Krajina's ethnological heritage.