This study aims to find ways and strategies to improve teacher’s performance by identifying the strength of the relationship between decision-making variables and teacher’s performance, the strength of the relationship between learning organizations and teacher’s performance, the strength of the relationship between self-efficacy and teacher’s performance, both individually and collectively. This type of research is a quantitative research with correlational analysis and SITOREM analysis. The population in this study were all ASN teachers who served at State Islamic Junior High School in East Jakarta, amounting to 510 people. The research sample was taken using the Proportional Random Sampling technique with a size using the Slovin formula of 225 teachers. This means that teacher’s performance can be improved through strengthening decision-making, learning organization, and self-efficacy both individually and together. The results of the analysis show that indicators of teacher’s performance, decision making, learning organization, and self-efficacy that have been well maintained or developed, while those that are not good need to be corrected immediately. 

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