This research was conducted to study the impact of the managerial knowledge and skill of the agricultural high school administrators on their school performance. Regarding the research goals, this study was considered as a correlational and quasi - experimental research . It was also known as an ex-post - facto research, since the researcher had no chance to attribute no independent variable. The independent variable were ; managerial knowledge and skill of The administrators (technical, human relation, and conceptual) and the dependent variables were; the educational performance of the high schools under the study in terms of the students GPA and the passing rate of students. Nine Hundred fifty five instructors and school administractors in 17 agricultural centers and 70 agricultural high schools in the country were taken as the research population. All administrators with minimum two years of administrative experience along with one randomly selected instructor in each discipline were included in the study. Therefore, totally 142 instructors and 24 administrators were selected .Results taken from this study showed no statistically significant relationship between the dependent and independent variables.
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