Improving teacher performance in an organization or especially in schools is very necessary to be able to produce good performance. The purpose of writing this journal is to determine the factors that can affect teacher performance, where the authors limit the factors of organizational culture, motivation and job satisfaction of teachers at SMK Bina Insan Mandiri. The method in this research is a descriptive method with a quantitative approach (deductive). The subject of this research is Bina Insan Mandiri Vocational High School. The population in this study were the principal, the vice principal in the curriculum sector, the vice principal for student affairs and finally the teachers at the school, with the total population in this study amounting to 67 people. Determination of the number of samples using saturated samples, data collection techniques using observation, questionnaires and documentation, while data analysis techniques using parametric statistical tests. Hypothesis testing is done by interpreting the results of the linear regression test. Based on the results of the analysis of funding calculations, it can be concluded that organizational culture, motivation and job satisfaction both independently and simultaneously have a positive and significant effect on the performance of the Bina Insan Mandiri Vocational High School teachers. That is, the better the organizational culture, motivation and job satisfaction of the teacher, the better the teacher's performance towards the Bina Insan Mandiri Vocational High School.