Since the theories of service quality were introduced in Korea, they have been applied to the various organizations, such as hospital, hotel, travel agency, bank, telecom company, and even retail market. Compared with these areas, however, studies on the service quality in educational institutions have been scarcely conducted. Also, higher educational service challenges user-oriented education system of the 21st century, concept of Service quality from the theories of market economy. The purpose of this study is to identify the dimensions of educational and administrative service, and their influence upon the satisfaction and value on service quality, and formulate the service quality model based on the revised quality dimensions using SERVQUAL measuring method, to find out the most influential factors upon the service quality among these factors. This study also suggests proper measures for improving service quality.