Purpose: The purpose of this study is to design a knowledge management model for primary school principals in Tehran. Methodology: The research method is applied in terms of purpose and qualitative in terms of data type and emerging data in terms of nature and type of data study. Findings: The competitive environment of organizations is becoming more complex and rapidly changing. In such a way that the speed of change in most organizations is much faster than the speed of their ability to respond and adapt. Constant changes in internal conditions and external environments have also created a new state of imbalance for organizations. In the meantime, only organizations can survive that can maintain their competitive advantage. This issue has created many concerns for organizations, the most important of which can be to identify shortcomings (gaps), more productivity of human capital, and more efficient learning. And more effective employees, providing more value-added goods and services, customer and employee satisfaction, preventing the repetition of mistakes, reducing rework, saving time, motivating creativity and innovation, and strengthening the competitive position of organizations. Conclusion: Applying knowledge management in this field can be an important factor to respond to these concerns. In other words, in the meantime, only organizations can survive that maintain their competitive advantage. According to thinkers in this field, maintaining advantage Competitiveness and survival of the organization is possible with the help of knowledge management. In order to be able to continuously create new knowledge in the organization. Manuscript profile