مسلم صالحی

This research aimed to design and evaluate the effectiveness model of educational organizations based on the social systems model in high schools of Shiraz city. This research employed a sequential exploratory mixed-method (qualitative-quantitative) design and conducted as a case study in some high schools in Shiraz. The research, in the form of a thematic network, was designed as one overarching theme, 6 organizing themes, and 42 foundational themes. The organizing themes included components related to: teacher's human factors, student's human factors, parents' human factors and, structural, social, and educational-research components. Based on these, a proposed research model Introduced. In the instrument development phase, a researcher-made questionnaire on school effectiveness, derived from the qualitative findings, designed. The statistical population consisted of teachers and included students majoring in mathematics - physics, in Shiraz high schools. For evaluating the research model, exploratory and confirmatory factor analysis methods employed. The fit indexes were indicators of the validity of the organizational effectiveness model with an approach toward the effectiveness of educational organizations. The findings of this research revealed that, in sequence, the human factors of the teacher are educational, the parents' human factors are structural and student's human factors are social research. Accordingly, it emphasizes the imperative attention of the relevant executives and officials towards implementing the research model.