This study aimed to investigate the relationship between situational leadership, organizational climate and personality and job satisfaction private high school teachers in South Tangerang City. This study used mix method research with the sequential explanatory model. The total sample was 120 respondents out of 171 total population. Qualitative data was collected using interview, observation, and documentation. The findings from this research indicated that there was a significant positive relationship between situational leadership with satisfaction, there was a significant positive relationship between organizational climate and job satisfaction, and there was a significant positive relationship between personality and job satisfaction. Furthermore, there was a significant positive relationship between situational leadership, organizational climate, and personality together with job satisfaction with the correlation of coefficient = 0.856.