This study investigated factors that affect teachers work commitment in junior high schools at Ejisu. The study employed a mixed method research approach involving questionnaire and interviews. The sample size for the study was 89 teachers at Ejisu, out of which 84 were randomly selected to respond to questionnaire, while five of them were interviewed. Out of the 84 teachers, 75 of them, representing a response rate of 89.3%, completed and returned the questionnaire. The study employed descriptive statistics to analyze the data collected indicating frequencies, percentages and means. Findings indicated that head teachers fairness in the school administration highly influenced teachers work commitment. It was concluded that teachers experienced moderate level of work commitment, again head teachers practice of undesired leadership style as perceived by the teachers lead to the moderate level of work commitment. Based on these findings and conclusions, it was recommended that heads should be fair in their school administration to improve teachers work commitment. In addition, head teachers should always ensure the presence of organizational justice in the workplace so as to improve the average level of teachers work commitment.