Objective: This research was conducted in order to design a business development model for secondary schools in Khorramabad

Method: The research method was applied in terms of objective and in terms of qualitative method - classical data-based theory. The research field included all professors in the field of educational management in the country in 1403-1404 and the sampling method was purposeful based on criteria and continued until data saturation reached 22 people. The research tool was in-depth interviews. Validity and reliability were examined through member checking and alignment. This means that three analysts analyzed the interviews and after modifying and adjusting the analysis of the interviews, the extracted data was approved. Open coding, axial coding and selective coding methods were used to analyze the extracted data.

Innovation (value): The business development model of secondary schools in Khorramabad has been presented.

Conclusion: By developing the business of secondary schools in Khorramabad, financial resources are provided on the one hand and the sustainability of schools on the other.