Students’ interpersonal problems with their peers, parents, and teachers have become more critical in the present society that serious attention must be paid to overcome it.  Therefore, Islamic counseling model which is derived from the Quranic principles has been developed to sustain the wealthy condition of individual students. The purpose of this research is to develop an effective Islamic counseling model that may increase students’ interpersonal competency in  MAN I Bandung.  To achieve such a purpose, then, a Research and Development (R&D) through need assessment, development, experiment, and model revise were set up.  A quasi – experiment with “Pretest – Posttest Control Group Designs” procedure has been implemented to test the model being developed. The finding showed that the level of student’s interpersonal competency before the treatment varied greatly. The post-test score after the treatment, however, showed that their interpersonal competencies got significantly improved. This improvement suggests that student’s interpersonal competency should be developed in terms of: self perceptive and other people, self firm, become comfortable with one self and other people, become independent person, realistic expectation to oneself and other people, and self protection in interpersonal situations.Keywords:   Islamic Counseling Model and Interpersonal CompetencyCopyright © 2015 by Al-Ta'lim All right reserved