This study aims to determine the influence of the school environment on the learning discipline of fourth grade students at SDN Jurumudi 3 Tangerang City. This study uses a quantitative approach with a survey method. The population in this study were all fourth grade students of SDN Jurumudi 3 Tangerang City, totaling 21 students. The sampling technique used saturated sampling, so that the entire population was used as a research sample. The data collection technique was carried out through the distribution of questionnaires with a Likert scale that measured the variables of the school environment and student learning discipline. Data analysis used descriptive statistics and the Product Moment correlation test. The results showed that there was a positive and significant influence between the school environment on the learning discipline of fourth grade students at SDN Jurumudi 3 Tangerang City. This was evidenced by the correlation coefficient value of r count of 0.994, which was greater than r table of 0.4329, thus indicating a very strong relationship. The t-test results also showed that the calculated t of 361.1 was greater than the t-table of 2.093 at a 5% significance level, thus accepting the research hypothesis. Furthermore, the coefficient of determination of 0.988 (98%) indicates that the school environment contributes 98% to student learning discipline, while the remaining 2% is influenced by factors outside the study. Based on these research results, it can be concluded that the better the school environment, the higher the student learning discipline. Therefore, schools need to continue to create a safe, comfortable, and orderly learning environment, supported by positive social relationships and a conducive learning process to further improve student learning discipline.