designing a knowledge dissemination system to help develop secondary school principals’ professional skills

This research aims to provide a knowledge dissemination system for the development of the professional skills of managers. this research was a mixed strategy of sequential exploratory type. the research method was a case study in the qualitative part and a descriptive survey in the quantitative part. the statistical population included all secondary school principals of different educational units in tehran, totaling 1171 people. the sample (20 people) was selected by a purposeful sampling method and resource-oriented technique in the qualitative section. quantitative part sampling was done by multi-stage cluster sampling and the sample size was 181 people according to cochran’s formula. in the qualitative part, the data collection tool consisted of two parts, a semi-structured interview and a single-question questionnaire, in the quantitative part, a researcher-made questionnaire tool was used to collect data. data analysis was done in the qualitative section based on thematic analysis in atlasti software. also, in the quantitative part, confirmatory factor analysis was used to analyze the data and structural equation modeling was used to determine the fit of the model. spss-23 and lisrel-8 software were used in the quantitative section. the obtained results led to the identification of 29 sub-components and 6 main components and finally, the research model was presented. the dimensions include the educational dimension (0.78), research dimension (0.70), service dimension (0.64), moral dimension (0.61), cultural dimension (0.57), and executive dimension (0.50). bentler-bonett’s normed fit index, relative fit, incremental fit, and adaptive model indices showed that the designed structural model had a good fit.