This study examines the relationship between the instructional leadership of school principals, teacher work discipline, teacher work motivation, and student academic achievement in primary schools in Central Jakarta. The study uses quantitative methods to analyze survey data collected from primary schools. The results showed a significant relationship between the instructional leadership of principals, teacher work discipline, teacher work motivation, and student academic achievement. Strong principal instructional leadership and high teacher work discipline were found to increase teacher work motivation and improve student learning outcomes.