The main purpose of this study is to examine the effect of personality dimensions on principal's normative commitment of state senior high school in DKI Jakarta. The method adopted descriptive survey research design through questionnaire data. The sample consisted of 90 principals from 116 populations using simple random sampling technique. In this study, the relationships among the variables were evaluated using correlation and regression analysis. The result shows that overall of personality dimensions have a significant influence and positive effect on principal's normative commitment performance. On the other hand, personality dimensions can support principals emotional to stay in an organization as the pressure of norms and moralities. Thus, it is recommended that principals should be more openness with the right personality dimensions performance.