This research aims to investigate the influence of principals’s leadership, discipline and competence on the performance of teachers in Saint Yakobus’ Foundation Jakarta. The sample in this study there are 95 teachers. The method used in this study by distributing questionnaires, where researchers wanted to determine the effect of other variables, either partially or simultaneously by analyzing the data correlation and linear regression analysis, using tools Statistical Product and Service Solution or SPSS version 22.0. The research showed that the variables of principals’s leadership, discipline and competence positive effect on the performance of teachers in Saint Yakobus Foundation Jakarta. Thus the three variables of principlas’s leadership, discipline and competence simultaneously (together) proved to be a significant and positive effect on the performance of teachers in Saint Yakobus Foundation Jakarta.

Keywords : Principals’s Leadership, Discipline, Competence, Teacher’s Performance.