The purpose of this study was to examine and analyze whether there were significant positive influences between the variables of Personality Type, Effectiveness of Principal Leadership, and Decision Making against Teacher Job Satisfaction in Provincial High Schools. The study has ten problem formulations that analyze the direct effect, indirect effect and simultaneous influence between each variable studied. The research approach used is a quantitative approach with a survey method conducted on selected research samples based on probability sampling with the Slovin method totaling 141 Jambi State High School teachers. Data collection techniques using observation and using a questionnaire (questionnaire) as a primary data collection tool. Data analysis using path analysis (part analysis) with data processing tools manually Microsoft Office Excel program and SPSS version 22. The results of the analysis of the path coefficient and coefficient of determination, there is a direct effect and a significant positive simultaneous effect between variables Personality Type (X1), Leadership Effectiveness (X2) and Decision Making (X3) on Teacher Job Satisfaction (X4). The indirect effect between personality type variables (X1) and Leadership Effectiveness on teacher job satisfaction (X4) through decision-making variables (X3) has no significant effect. The research results imply that efforts to increase teacher job satisfaction in-state high schools in Jambi Province can be done by paying attention to personality types, the effectiveness of school principals' leadership and increasing teacher participation in decision making. Future research to obtain more comprehensive and representative research results in a wider population.