Background In general, the management styles exhibited by school principals can be classified as democratic, authoritarian, cooperative, resistant, obstructive, indifferent and obedient (Üstüner, 2016). Today, that the change is experienced rapidly, the responsibilities of the school principal and the competencies that they should have vary from day to day (Hallinger, 2005). Accordingly, it can be said that the main duties of school principals are to determine the tasks and areas of responsibility in the school, to support trust and cooperation among teachers and to provide instructional guidance (Supovitz et al., 2010). It is known that teachers' motivations, abilities and working environments have a direct effect on school and classroom practices. It is also known that leadership styles play an important role