“…Research supports the importance of a transformational leadership style for the purpose of school reform and has examined the impact of leadership on school climate and self-efficacy separately. In our study, we hypothesized, first, that the principal's leadership style would impact on the school climate (Butterworth & Weinstein, 1996;Cheng, 1994;Dinham, 1995;Lohwithee, 2010;Pepper & Thomas, 2002;Taylor & Masih, 2002) and, second, that it would also impact on the teachers' self-efficacy (Calik, Sezgin, Kavgaci, & Cagatay, 2012;Demir, 2008;Kurt, Duyar, & Calik, 2012). Third, we hypothesized that the school climate would mediate the impact of leadership on teachers' self-efficacy (Meristo & Eisenshhmidt, 2014;Skaalvik & Skaalvik, 2010).…”