Аннотации:
The importance of the research is determined by the cognitive functions of the institutional history, in this case in terms of the study of various aspects of the educational system as a special sphere of cooperation between the state and public institutions, as well as human and science. The aim of the article is to determine and analyze tendencies in the development of educational and methodological framework of the religious educational process (the process of teaching fundamentals of religion) in the secular educational environment of the particular era - the modernization period (the second half of the 19<sup>th</sup> - early 20<sup>th</sup> centuries) and in the particular region (Kazan as a typical provincial center of the Russian Empire). The main method of this study is the historical-comparative method, which allows to compare the experience in use of educational materials in secondary schools in Kazan applying historical records analysis. The results presented in the article show the influence of social, economic, political and cultural process taking place in the Russian Empire during the period of modernization on the religious educational process in secular schools, manifested, in particular, in the pluralization of educational and methodological framework. The materials of the article may be useful for the studies within the institutional history of education and the church, as well as for modern discussions about the place of religion in the secular educational environment. Copyright for this article is retained by the author(s).