Özet:

The most important task of learning in schools is to teachers. Effective teachers, due to the professionalism that the teaching profession requires, pay attention to their own professional development in accordance with the changing and developing conditions over time. It is also important for the professional development of teachers, the development of student’s academic success and the effective school. All activities carried out in order to develop the professional knowledge, skills, skills they have to perform the teaching work more effectively are assessed within the framework of professional development. School managers have significant responsibilities to provide teachers with more qualified professional development opportunities and to meet the needs of professional development. School managers are individuals at the key point in determining the professional development needs of teachers, in organizing professional development activities in accordance with the needs, in encouraging participation in organized activities and in providing participation, in the implementation of the information acquired. They also play an important role in evaluating the nature and effectiveness of a professional development education, in shaping the school environment as a learning environment for all stakeholders, and in bringing awareness that learning is an endless process and making learning a need. This study is believed to be useful in providing source information about the tasks belonging to school managers in the guidance of professional development of the elements that should be taken into account for the effectiveness of professional development activities.