A school library manifesto means the policies and rules on school libraries and includes the direction which they should follow and the criteria which school libraries should keep. Compared the school library manifestos of IFLA/UNESCO, IASL with that of Japan, the school library manifestos of IFLA/UNESCO are constituted with mission of the school library, funding legislation and networks, goal of the school library, staff, operation and management, implementing manifesto etc. and underline funding legislation and networks. The IASL policy statement on school libraries includes functions, materials, facilities, personnel, lifelong education, skills, literacy development, government and public support etc. and emphasizes lifelong education, skills, literacy development. The school library manifesto of Japan includes philosophy, functions, staff, material, facilities and management etc. and highlights philosophy. As a result of comparison and analysis of the school library manifestos of IFLA/UNESCO, IASL and Japan with that of Korea, the school library manifesto of Korea needs to comprise mission, facilities, staff, lifelong education, skills, literacy development, funding legislation, operation and management, government responsibility for implementing the manifesto, etc. by accepting the components in the manifestos of advanced countries, stressing the educational roles of school libraries and by separating the educational area from others.