This study aims to determine the effect of teacher performance, metacognitive awareness, attitudes toward school principals, and managerial competence of principals on school culture in state junior high schools in Central Lombok Regency, both individually and together. The research approach used in this study is a quantitative approach to the type of ex post facto research. The population in this study were all teachers and principals of state junior high schools in Central Lombok District, while the sample was 297 teachers and school principals selected using purposive sampling techniques. Data collection techniques in this study used a questionnaire for each variable. Hypothesis testing is done by using multiple regression analysis using the t test (individually) and the F test (together). Based on the results of the study obtained information that teacher performance, metacognitive awareness, attitudes to school principals, and managerial competence of school principals have a significant effect on school culture in state junior high schools in Central Lombok Regency, both individually (teacher performance: t of 2.161 with sig. 0.031, metacognitive awareness: t equal to 4,118 with sig 0,000, attitude: t equal to 2,556 with sig, 0,011, and managerial competence: t equal to 8,089 with sig 0,000), or together (an F value of 22,691 with sig. 0,000 ).
