: The purpose of this study was to determine the program, implementation, follow-up and the obstacles faced by principals in the implementation of academic supervision in improving the professional competence of teachers. This study used descriptive qualitative approach. The technique of data collection used were observation, interviews, and documentation. Subjects of study were principals, vice-principals, teachers and supervisors. Data were analyzed with data reduction, data display, conclusion drawing and verification. The results showed that: 1) Programs are arranged at the beginning of each school year based on the results of the follow-up implementation of supervision in the previous year based on the instructions given by the Department of Education. Teachers were not fully involved in setting the programs and it was planned twice in one semester. 2) Implementation of supervision begins with socialization activities for teachers and pre-observation meeting. Supervision activities were carried out by providing guidance and direction on the preparation of learning tools, learning implementation and evaluation of learning through meetings, discussions, individual meetings and classroom observations. Principal recorded all activities on a classroom observation on instrument sheet that will be used as input and consideration for guidance in improving teachers' professional competence. 3) Follow-up is done through discussions between principals and teachers to provide feedback from the results of classroom observation. Results of follow-up were concluded with concrete steps contextually as a way out of the problems faced by teachers in the learning process and as an improvement in the future to improve the quality of learning. 4) Obstacles faced were the supervision schedule was often shifted, the use of teaching methods were still centered on the teacher, the teacher felt clumsy when supervised and teachers were less active in seeking new information about learning.