Reviews the literature in library and information science to identify factors that influence the outcome of challenges to school library materials. A conceptual model is developed that encompasses district selection policy, librarian characteristics, school environment, community environment, and initiator of the challenge, and tentative…

Discusses the need for written collection policies in learning resources centers as a defense against censorship and as a collection planning device. A model collection policy is reviewed, with emphasis on the sections and wording that bear directly on censorship and intellectual freedom. (8 references) (CLB)