This study investigates the strategies employed by the principal of Islamic Elementary School Anak Saleh Malang, to improve teacher competence and their subsequent impact on educational outcomes. A case study design and a descriptive qualitative methodology were used, and semi-structured interviews, document analysis, and non-participant observations were used to gather data. The findings indicate that the principal employs a humanistic and familial leadership model, emphasizes individual motivation, mandates regular professional development, conducts systematic performance reviews, and encourages deliberate teaching strategies. These strategies have had a direct influence on improved student achievement as well as greater teacher professionalism. The study emphasizes how crucial leadership techniques based on organized development, motivation, and a reflective culture are to improving academic achievement. It suggests that to achieve long-term educational achievement, principals must foster professional development through efforts in strategic, consistent, and compassionate leadership.