Research on organizational commitment has demonstrated that lower commitment to organization among employees is a crucial problem. Low levels of commitment continue to be the problem of education sector as well. In addition to the individual factors, commitment level of teacher differs according to the quality of their relationships between principals and how they evaluate their profession. This study examines how work meaningfulness and leader member exchange relates to organizational commitment and considers teachers perceived work meaningfulness and leader member exchange levels as predictors of organizational commitment. 346 teachers participated in our research. The results revealed in this study showed that both work meaningfulness and leader member exchange associated positively with organizational commitment. Work meaningfulness and leader member exchange predicted organizational commitment. However, not all sub dimensions of organizational commitment related with work meaningfulness and its sub-dimensions. This study clarifies the role of meaningfulness and leader member exchange perceived by employees on organizational commitment.