The purpose of this research is to examine the effects of secondary school administrators' servant leadership behavior on teachers' organizational commitment. This research was designed based on the relational screening model. The population of the study consists of 753 secondary school teachers. 438 teachers from the total population participated in the study. In the analysis of the data, descriptive statistics such as percent, frequency, arithmetic mean, standard deviation and other statistical techniques such as ANOVA, t-test, and regression analysis were used. According to the research findings, school administrators have some modest and responsible managerial, empowerment and forgiveness behaviors. Teachers' level of adaptation of organizational commitment is moderate and is found to be at a high level in the sub-dimension of identification and internalization. Teachers' views on organizational commitment do not differ according to gender, marital status or seniority. Teachers' views of school administrators on servant leadership behaviors do not differ according to their marital status but differ according to their gender and seniority.