Vol. 7, Issue 1, Part D (2021)

Abstract
The principal as an education supervisor plays a role in increasing the ability of teachers to improve the quality of learning. The principal as a supervisor is expected to be able to provide services and assistance to teachers to develop teacher quality in processing teaching and learning activities in the classroom in accordance with the objectives of educational supervision. This research uses descriptive qualitative research methods. Data collection techniques using observation, interviews and documentation. The results of this study indicate that the principal is able to function as an educational supervisor at Public Senior High School Kawangkoan (SMA Negeri 1 Kawangkoan). This is based on the principal's ability to plan, implement, and evaluate educational supervision at SMA Negeri 1 Kawangkoan which is considered successful with the conclusions of the study: (1) The principal is able to plan educational supervision at SMA Negeri 1 Kawangkoan by using an assessment instrument; (2) To carry out educational supervision following a predetermined program; (3) The implementation of educational supervision in 2020 at SMA Negeri 1 Kawangkoan encountered a few obstacles related to the Covid-19 pandemic; (4) The principal in evaluating the results of supervision involves the supervision team; (5) The principal follows up on the evaluation results by providing reinforcement, one of which is by conducting In House Training; (6) Principals and teachers benefit from educational supervision activities by increasing teacher performance which can have an impact on the quality of student learning.