The school library is a place for all participants in the educational process. It is considered as a place where you can find all sources of knowledge and information. The feature of such a place includes new and more creative models of teaching that are sought and developed, which will enable today`s learner to become interested in self-learning and to train him in lifelong learning. With rapid development of digital technology and the entry of audio-visual aids into the school library, it has long abandoned traditional forms of teaching, opening up space for innovative and diverse models of learning and teaching. By supporting the pluralism of modern teaching methods, the pedagogical model of Montessori pedagogy is possible a fresh solution in which the school library takes on a role of promoter of new ways of learning. Therefore, knowledge can be acquired in various ways and in this case by implementing the fundamental Montessori principles into the work of the school library. Maria Montessori considered research as a basic human need that humans use to achieve positive results and on this theory developed her pedagogy. On the other hand, modern teaching models in the school library focus on research teaching and learning, in terms of encouraging and searching information among the knowledge sources offered by the school library. Citing the particularities and similarities in the working principles of the school library and the basic Montessori principles, it is noted that many coincide and identify. Thus, basic Montessori principles can integrate and enrich the work of a modern school library, in which the librarian prepares an environment that actively involves the pupil in the teaching process.