The Readership club can be defined as a community of readers who usually gather once a month, discuss a book that they read, compare impressions and express their opinions. Discussion often includes a conversation about their own experiences and personal life. They can be organized in different meeting location and the focus of this paper is the readership clubs in elementary school as a form of out-of-class activity and libraries as a form of out-of-school activity. The role of readership clubs is important in promoting reading interests and development of communicative competence. The aim of the paper is to explore readership clubs from a theoretical and practical point of view. A practical part of paper involved research of readership clubs in selected elementary schools and libraries. Elementary school Gornja Vežica confirmed the existence of the readership club as a form of out-of-class activity. Crikvenica City Library has one and Rijeka City Library has two readership clubs as a form of out-of-school activity. Interview with the leaders of readership club confirmed the positive influences of readership club that are noticed in work with children. From the results of the survey questionnaire for the members of readership clubs, it can be concluded that children are more motivated to read since they became active members of the club. They are also more open to cooperation, they encourage the environment to read and create new friendship.