The goal of this study was to evaluate the leadership responsibilities of the principal in enhancing student discipline. The study was carried out at SMA Negeri 3 Kayuagung. Observation, documentation, and interview-based data collection methods. The three stages of the data analysis technique are data reduction, conclusion/verification, and descriptive qualitative procedures. According to the research findings, the principal’s leadership enhances student discipline through exemplary, individual, and hierarchical ways. The SMA Negeri 3 Kayuagung residents’ motivation and complete trust from the principal has an effect on raising student discipline in academic tasks. The teacher’s example can also serve as a model for student behavior related to discipline. High-quality schools are more likely to be founded in environments where there is a culture of discipline in following rules.