The purpose of this study was to identify effective dimensions for enhancing the effectiveness of secondary schools in Hormozgan province. The purpose of this research is applied and in terms of information gathering method, a quantitative-qualitative approach has been taken. The statistical population includes experts in the field of school effectiveness. Which in part of Quantitative Research, included a limited number of faculty members in Hormozgan universities in the fields of education, of which 30 were selected as samples. Also In the qualitative section, the sample volume was estimated with a theoretical saturation of 10 people. A targeted sampling was used to select the sample. The Data collection tools were through interviews and questionnaires. For data analysis in the Quantitative section, One sample t test and In the qualitative section, open and axial coding was used. The results led to the identification of six Dimensions from 24 concepts that named them as follows: management and leadership; Belief in collective wisdom; Promoting health, health and safety at school; Empowering staff; Establishment of the teaching and learning system and extracurricular activities.