The present study was conducted in order to evaluate the effectiveness of the intervention program of social competence on social anxiety and the school bonding of the first year elementary school students of Sanandaj city. This research is semi-experimental with a pre-test-post-test-follow-up design and control group. The tool used in this research is the Spence Anxiety Questionnaire and the Link Questionnaire with the Brown and Evans School. From the mentioned society, 26 students of 7-9 years old with symptoms of social anxiety were assigned to two experimental groups (13 people) and control group (13 people) by simple random sampling method. Before starting the training process, both groups were pre-tested. After the completion of the intervention process, a post-test was conducted for both groups and after one month of the post-test, a follow-up test was conducted for both groups. The results of the covariance analysis showed that the social competence intervention program had a significant effect on reducing social anxiety and increasing students' school bonding (p<0.001). Therefore, it can be concluded that the intervention program of social competence has a good effect on bonding with school and reducing their social anxiety, so the use of this intervention program is recommended by teachers, psychiatrists, psychologists and counselors.