The study aims to examine the mediatory role of leader-member exchange in the relationship between organizational commitment and Organizational cynicism among school counselors. The research group consists of 171 school counselors (109 females and 62 males). The scales used are organizational commitment scale, organizational cynicism scale, leader-member exchange scale. For the mediation analysis, AMOS 26 was used. We used Pearson correlation to evaluate relationship between variables in data analysis. The model has been accepted that it is significant and the model is statistically confirmed. Bootstrapping procedures were applied to analyze the significance of indirect effects. The result of this research revealed that leader-member exchange was found to be partially mediated in the relationship between organizational commitment and organizational cynicism in school counselors.