This study aimed to develop a valid draft clinical supervision web-based model for increasing the professionalism of elementary school teachers who have complete commitment, integrity, and competence in Jakarta, Indonesia. This study used qualitative research. Data was collected through observation and interview. The researcher worked together with three supervisors, five schools, two elementary school head chiefs, and three elementary school teachers. Clinical supervision consists of five phases following a research and development procedure, such as the initial preparation, observation, interpretation, post-observation meeting, and reverse meetings. The supervisor assessed explained clinical supervision web-based model was very effective and efficient considering teachers who had to be fostered in one target area, good communication between supervisors and teachers in the target area, because they could use the website and even upload videos teaching teachers in the classroom.