The aim of this article is to give an overview of Fr. Schletz's pedagogical activities. It was not limited to Stradomie, but he was also involved in other centres, because of the possibilities of a correct historical formation that he gave to the graduates. As part of his pedagogical activity, Fr. Schletz developed his work among the women's religious orders in Krakow, held a scientific seminar on the history of religious orders and gave many interesting lectures on the history of the Church. The article also highlights his activities in disseminating knowledge and practices of keeping archives and writing parish or convent chronicles.