The purpose of this study was to improve the students’ discipline to school rules through group-counseling with self-management technique. This study utilized pre-experiment research approach with one group pretest-posttest design. The subject of this study was 5 students who achieved low score for discipline to school rules. The data collecting technique used was questionnaire instruments on discipline to school rules which validity and reliability had been tested. The result of the study was statistically analyzed by Wilcoxon.The result of this study showed that discipline to school rules of the subject of this study was improved which was shown in the difference mean score achieved before and after the treatment was given. It was 57 for the pretest and 81 for the posttest. It was supported by the Z score from Wilcoxon test that was -2.090 with 0.039 significance. Hence it could be concluded that group-counseling with self-management technique was effective to improve the discipline to school rules of the 8th grade students of junior high school
