School leaders play pivotal role for school improvement. Research and practice indicate significant impacts of school leaders for the improvement of the schools. A good school leader motivates, develops, and enhances the confidence and performance of staff and students. Successful school leaders continuously develop themselves to help their staff and students to deliver their best. This book attempts to highlight selected studies on the role of school leaders for school improvement. The authors explored on school leaders' support to effective teaching / learning, staff / students' development / well-being, student's achievement, effective curriculum implementation, technology integration, and support to students of special needs. The chapters contribute to the ongoing reflections and debates on the role of school leaders for school improvement, which may help researchers, educators, and policy makers.