This study aims to investigate the effect of basic skills counseling in peer counseling for adolescent students in studied Indonesian school. Peer facilitator program becomes a necessity for the students to have a good friend. Seeing the importance of the program for students, guidance and counseling teachers need to reach more students through peer counseling program in schools. The research method used a pre-test and post-test model with Wilcoxon Signed Two Rank Test on 14 students Youth Information and Counseling Center in representative high school. A significant change has been detected at attending skills, summarizing skills, questioning skills, behave genuinely skills, behave assertive skills, confrontation skills and problem-solving skills parameters but not at empathizing skills when the pre-test and post-test were compared. These results supported the observation to the checklist and interviews, which showed that adolescent students could do a peer counseling with other friends. This research is then beneficial for guidance and counseling teacher in conducting peer counseling services at Indonesia schools.