The purpose of this study was to examine how much parents whose children were enrolled in night after-school took advantage of this type of class and to what extent they were satisfied with it. The findings of the study were as follows： First, concerning the utilization of night after-school in elementary school, the lower graders who used this class outnumbered the upper graders who did, as the rate of the former stood at 66.4 percent. The most common number of weekly days on which they used this class was six and five, since 45.5% did it for six or five days a week. As for the reason of using this class, 31.7%, the largest group, had their sight set on being assisted to do their homework or receiving additional academic education. 53.5% had no person to take care of them after school. Second, regarding the opinion of their parents, 30.0%t of their parents, the greatest group, looked upon computer class as the most satisfactory extracurricular education. As to which program was considered most important, 53.5%, the largest percentage, gave the most weight to homework guidance and supplementary education. Concerning the necessity of this class on vacation, 93.1% agreed to its necessity, and with regard to what favorable change was brought to their children, 29.7%, the greatest group, cited emotional security. As for grievances, 44.6%, the largest percentage, made complaints about night after-school facilities and environments. Third, as to the satisfaction level of the parents, 91% expressed satisfaction at night after-school. In detail, 88.1% were satisfied with programs; 85.1% with operating time; 72.3% with facilities and materials; 90% with tuition; 86.6% with its contribution to reducing private education expenses; 83.2% with teacher qualifications; and 60.4% with counseling provided by teachers.