The perceived performance of food management and the food utilization status of school food service managers in nine sectors of management in the Kyunggido area were evaluated[ED highlight - please ensure this is correct]. The results of this study revealed that 84.5% of the service managers used domestic food and $20{sim}40%$ used organic food, with an average of 80% using one of these types of foods. In addition, the average use of pre-handling food varied widely when compared to other food items[ED highlight - very confusing, please ensure my changes do not alter your intended meaning] Additionally, most respondents used frozen food (72.0%), processed food (83.9%), and substitute food (53.4%), for the average of 20%,[ED highlight - I cannot infer your intended meaning here, what is an average of 20%? Please clarify]; however, 40.6% did not use any food substitutes. The most common reason given for using pre-handled[ED highlight - do you mean pre-packaged or pre-prepared? Please clarify] food was to save time (32.2%), whereas frozen foods were most often used to help with menu organization (37.5%). Additionally, the respondents most common reason for using processed food was its high acceptability (47.8%), while substitute foods were most often used due to non suitable foods beingreturned (75.3%). Among the varieties of food that were used, those that are easily obtained and cooked were used the most. Furthermore, the mean score for the perceived performance of food sanitary management was $4.51{pm}0.425$ (based on the 5-point Likert scale). Finally, it was generally believed that the overall food management well executed, but that more active management of unsatisfactory food suppliers is required[ED highlight - please ensure my changes do not alter your intended meaning].