As the media has become a greater part of our lives and is included in all fields of human functioning, media literacy and ICT (Information and Communication Technology) literacy have become the key forms of literacy and they must be taught form the earliest age. In the educational system students’ media literacy is implemented in all school subjects and the school library is included in the process as the multimedia room. In this thesis it is tried to interpret what is the school library, which documents are its work based on and how are we suppose to act educationally on all the participants, namely students of elementary schools, but the teachers and all other school workers as well. Furthermore, it is explained what ICT and media literacy are and it is focused on how school librarians influence students and teachers’ media literacy. In the next chapters, Croatian curriculum, ICT curriculum and Art curriculum have been presented, as well as many different activities used by teachers of many other school subjects to teach ICT and media literacy. Followed by the research part where it is to be uncovered in what way do school librarians try to teach students about media, ICT and media literacy, how much and in what way during the process do they cooperate with other teachers and extra-curriculum activities’ coordinators in their schools. Examples of good practice obtained by this research have been presented as well.