The objective of this research are to examine the influence variables of principal's leadership style, work motivation, organizational citizenship behavior on teacher performance in State Vocational Schools in Banjarmasin City. This research is conducted using descriptive correlational research design. This study was conducted to five state vocational schools in Banjarmasin city whose population and sample are 330 and 181 respectively. Sample is taken using random proportional technique. Technical data analysis by using structural equation modeling, instrument used to collect data is questionnaire. The results of research suggests that: (1) there is a significant influence of the principal's leadership style on organizational citizenship behavior of teachers in State Vocational Schools in Banjarmasin, (2) there is statically insignificant influence on the principal's leadership style on the work motivation of teachers in State Vocational Schools in Banjarmasin city, (3) there is statically insignificant influence on organizational citizenship behavior on teacher performance in state vocational schools in Banjarmasin city, (4) there is a significant influence of work motivation on teacher performance in state vocational schools in Banjarmasin city, (5) there is a significant influence on the principal's leadership style on the performance of teachers in state vocational schools in Banjarmasin city, (6) there is an indirect influence of the principal's leadership style on teacher performance through organizational citizenship behavior, (7) there is an indirect influence on the principal's leadership style on teacher performance through teacher work motivation. It is recommended: the principal's leadership style is further improved and adapted to the situation according to the teacher's level of readiness. To the next researchers in this field it is suggested to conduct a similar study with objects that are different from the qualitative approach using other theoretical studies. Index Term: Principal's Leadership Style, Organizational Citizenship Behavior, Work Motivation, Performance, Teacher