The trend of globalization and international integration have taken powerful place all over the world. The world economy has been gradually shifting from industrial economy into a postindustrial or intellectual economy owing to the strong development of science, technology, because the development of information technology the Internet are noticeable features of the world at the beginning of the XXI century. The above features, together with the process of decentralization and educational massification, have led to the increasing requirements for educational institutions’ self-management capacity. If this capacity is poor, the quality of education will not meet the requirements set forth. Meanwhile, quality management (QM) would be an effective tool to enhance school educational quality. Self-assessment (SA), a link in the process of quality assurance (QAS), is intensely focused on.