Validation of the model for development of school principals

The purpose of this study was to Validation model for the development of primary school principals in Fars province. The statistical population included all principals of primary schools in Fars province. According to the Cochran formula, the sample size was 410 people who were selected using cluster random sampling. data was collected using a researcher-made questionnaire, To confirm the validity of the questionnaire, content and constructs validity were used. The reliability of the questionnaire using Cronbach's alpha (0.96) and combined reliability. The final questionnaire with a total of 56 items was distributed among the participants. Confirmatory factor analysis was used to test the conceptual model and data were analyzed using SPSS and PLS software. According to the goodness-of-fit indexes, the research model had a good fit to the data and its validity was confirmed in the statistical population Also, structural model analysis showed that the relationship between 23 variables was significant and the relationship between 7 variables was not significant.