The approach used in this research is a survey with quantitative methods. To obtain data empirically, questionnaires were distributed to 145 civil servant teachers out of 682 junior high school teachers, both PNS and Non PNS in Boalemo District. The collected data was then processed with the SPSS application and analyzed using descriptive analysis techniques and Structural Equation Model.
The results showed that: 1) Transformational leadership had no positive and significant effect on job satisfaction of junior high school teachers in Boalemo Regency; 2) Transformational leadership has no direct positive and significant effect on the performance of junior high school teachers in Boalemo Regency; 3) Organizational Culture has a positive and significant effect on job satisfaction of junior high school teachers in Boalemo Regency; 4) Organizational culture has a positive and significant effect on the performance of junior high school teachers in Boalemo Regency; 5) Job satisfaction has a positive and significant effect on the performance of junior high school teachers in Boalemo Regency; 6) Transformational leadership has no positive and significant effect on teacher performance through job satisfaction mediation; 7) Organizational culture has a positive and significant effect on teacher performance through job satisfaction. Thus, of the 7 hypotheses, there are 3 rejected hypotheses, namely H1, H2, and H6. For this reason, it is recommended that school principals apply a solution-based leadership style and serve in carrying out their leadership in the school environment as the results of the analysis of the collected data. Furthermore, the existing school culture is maintained and even further enhanced because it has a positive and significant effect directly or indirectly on teacher performance through job satisfaction