Transformational leadership invites teachers to do the right thing, and motivates them to achieve common goals. So far, teacher discipline has not been optimal, this can be seen from the time discipline, there are still teachers who leave school during working hours for reasons that cannot be accounted for, teachers who arrive late or leave early before time for no apparent reason. The purpose of this study was to analyze the relationship between the transformational leadership of school principals on work commitment, motivation, and work discipline of high school teachers in Banjarmasin City. This research is a correlational descriptive. The population referred to in this study were all 135 high school teachers in the city of Banjarmasin from 13 schools. Data collection techniques through questionnaires and documentation, while the data analysis was done descriptively. The results of the frequency description show that 153 respondents or 78.43% of respondents stated that the transformational leadership of the principal of SMAN Banjarmasin City was in the good category, 3 respondents (1.96%) said it was very good and 30 respondents or 19.61% said it was quite good. there is no assessment of the school principal's transformational leadership in the unfavorable, no and not good categories. The majority of principals' transformational leadership at SMAN Kota Banjarmasin is in the high category, while teacher work commitment is in the medium category, teacher work motivation is in the medium category and teacher discipline is included in the high category. 43% of respondents stated that the transformational leadership of the principal of SMAN Kota Banjarmasin was in the good category, 3 respondents (1.96%) said it was very good and 30 respondents or 19.61% said it was quite good. there is no assessment of the school principal's transformational leadership in the unfavorable, no and not good categories. The majority of principals' transformational leadership at SMAN Kota Banjarmasin is in the high category, while teacher work commitment is in the medium category, teacher work motivation is in the medium category and teacher discipline is included in the high category. 43% of respondents stated that the transformational leadership of the principal of SMAN Kota Banjarmasin was in the good category, 3 respondents (1.96%) said it was very good and 30 respondents or 19.61% said it was quite good.