Promoting the regional educational potential strengthening, including means of meeting the teaching staff information needs is one of the priority tasks, facing the largest Novosibirsk scientific libraries. This study purpose has been to identify the character of teachers’ information addresses to the sources of the State Scientific Technological Library of the Siberian Branch of the Russian Academy of Sciences (SPSTL SB RAS) and Novosibirsk State Regional Scientific Library (NSRSL).The analysis of teachers’ information needs, based on job responsibilities and knowledge requirements according to the Unified Qualification Directory of positions of managers, specialists and employees, has divided them into three categories: doctors of sciences, candidates of sciences and teachers without a scientific degree. The analysis of SPSTL SB RAS statistics has shown that among teachers who signed up for the library in the period 2016–2021, the share of candidates of sciences is 47,9%, doctors of sciences among teachers – users of the library is 9,6%. If considered by specialty, readers-teachers are mainly representatives of humanitarian (43%), technical (16%) and economic (11%) ones.The analysis of demands has shown that teachers’ information needs are satisfied with the help of book publications, among which textbooks especially stand out. About 30,5% of circulation are books published before 1991. Need for information in their subject area is one of the basic factors that bring teachers into libraries. The analysis of statistics has shown that candidates of sciences most often turn to electronic resources, and this category of teachers also has the highest demand for exhibitions, open funds, references, xerocopying and the Internet class services.In the whole, we can ascertain a comparatively high level of information needs satisfaction in the subject area. The average level of satisfaction is the need for information about teaching the subject methodology and information of a general pedagogical nature. Low level of satisfaction are needs for information related to the organization of the educational system.