Teachers’commitment was found to be one of the most crucial factor for the school effectiveness. The main purpose of this study was to find out the commitment level of 310 primary school teachers in Betong Division, Sarawak toward their school based on demographic factors. TCM Employee Commitment (Allen & Meyer, 2004) instrument was deployed to obtain data from the respondent. The findings of the study indicated that there were some significant differences in the commitment level of teachers based on educational level, teaching experience and tenure but exceptional for gender and age.