The main purpose of this study was to investigate mediating effect of Organizational Culture (OC) on the relationship between Total Quality Management Practices (TQMP) and Secondary School Performance (SSP) in Abu Dhabi. The study objectives are to identify the relationship between TQMP and SSP; TQMP and OC; OC and SSP; and the mediating effect of OC in the relationship between TQMP and SSP. A quantitative research design was adopted. A total of 320 senior staff were chosen as a sample through stratified random sampling technique. The three instruments used were TQMP, OC and SSP. Data were analyzed using Exploratory Factor Analysis (EFA) for data reduction as well as structure identification for all the variables. Analysis of a Moment Structures-Structural Equation Modeling (AMOS-SEM) software and descriptive statistics were used for data analysis. The findings showed that significant relationship was found between TQMP and SSP (β=0.74, p..

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