SUMMARY
One of the effective organs in implementing economic, social and cultural development policies in each country is the Ministry of Education, which trains specialized and experienced manpower as the basis for the comprehensive development of countries, production of knowledge and research knowledge, and the provision of specialized services by universities and higher education centers. Accordingly, it facilitates sharing knowledge and identifying factors affecting it in the education organization, especially among employees who are the most important elements in any organization. Because it can create an atmosphere full of trust and interaction, the employees can share their knowledge and experiences with each other; hence, it can be an important strength for the education organization as well as society. In this regard, the present study aimed to identify the factors affecting the knowledge sharing model in individual, organizational, environmental, and extra-environmental dimensions among educational staff. The study revealed that the main individual dimension includes enjoyment of knowledge sharing, organizational commitment, specific organizational knowledge, trust, motivation, value of knowledge, and individual and group interactions. Organizational dimension also encompasses organizational culture, documentation development, in-house planning and organizational rewards. The environmental dimension includes technical knowledge, information technology context, knowledge memory upgrading, and economic and social factors. The trans-environmental dimension consists of political and legal factors and international interactions. This descriptive-analytical research used a library technique.