Determining Factors of Senior High School Principals’ Performance in Medan North Sumatera Indonesia

The purpose of this study was to examine the influence of instructional leadership, organizational culture, work motivation, and innovative behavior of  the Senior High School Principals’ Performance in Medan. This research method is called the survey exploratory, with the number of respondents as many as 142 people were taken by proportional random sampling. The results found that (1) the instructional leadership have a positive direct effect on work motivation, (2) organizational culture have a positive direct effect on innovative behavior, (3) instructional leadership and organizational culture have a positive indirect effect on the performance, and (4) instructional leadership, organizational culture, work motivation, and innovative behavior have a positive direct effect on performance. Based on the results of theoretical models explain that the fixed structure of the causal relationship between instructional leadership, organizational culture, work motivation, innovative behavior of  the Senior High School Principals’ Performance in Medan.