This study presents brief digests, with some explanations of the school library standards which were in effect at the beginning of 1954. It includes digests of school library standards used by four regional associations which accredit secondary schools, and by State departments of education. In addition, the study contains a summary of recommendations employed for school libraries by some State departments of education. It presents, furthermore, a brief historical account of the development standards for school libraries. These standards provide a means for measuring and comparing the adequacy of school library facilities and services. Contains 9 footnotes and 4 tables.) [Best copy available has been provided.]