Principals are teachers who are given additional tasks to lead and manage schools in an effort to improve the quality of education. Therefore, a strong affective commitment from a school principal is needed. The purpose of this study was to examine the direct effect of organizational justice and work motivation on the affective commitment of the Principal of the High School. This research was conducted in DKI of Jakarta, Indonesia. This study uses a survey method with the path analysis approach. Data collection is by distributing questionnaires as many as 90 respondents with simple random sampling technique with Slovin formula. Based on the results of testing the hypothesis in this study it was concluded that there was a positive direct effect on organizational justice and work motivation that would increase the principal\\\'s affective commitment. This study presents implications for education administrators and policy makers in order to increase affective commitment through strengthening organizational justice and work motivation.