This study aims to determine and analyze the direct and indirect effects of instructional leadership, work climate and work motivation on commitment to organizational citizenship behavior on teachers at MTsN in Hulu Sungai Selatan Regency. This research study is correlational research with path analysis. The population of this study was 350 teachers from 12 MTsN with a sample technique of 187 people. It used a proportional random sampling. Data was collected using instruments consisting of principals' instructional leadership instrument (28 items), work climate instrument (24 items), work motivation instrument (28 items) and Organizational Citizenship Behavior instrument (18 items). The instruments were tested for validity and reliability and analyzed using path analysis. The results showed that there were direct and indirect effects of instructional leadership, work climate and work motivation on teacher organizational citizenship behavior.