636 JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) Volume 7 Issue 2 (2022) Page 636-652 ISSN 2614-8021 (Online) 2548-7094 (Print) The Effect of Clinical Supervision and Work Motivation on Teacher Performance Amellia Kurniatie 1 , Happy Fitria 2 , Yessi Fitriani 2 1 SMA Negeri Plus 2 Banyuasin III, 2 Universitas PGRI Palembang Corresponding Author E-mail: amellia1505@gmail.com Received 20 December 2021; Revised 3 July 2022; Accepted 23 July 2022 Abstract: This study was aimed at examining the clinical supervision and work motivation towards teacher performance. This study was carried out in SMA Negeri 1 Banyuasin III, Banyuasin Regency, South Sumatra Province, and included three schools: SMA Negeri 1 Banyuasin III, SMA Negeri 2 Banyuasin III, and SMA Negeri 3 Banyuasin III. The sample size is 95 respondents. The questionnaire, observation and documentation were used as instruments. Data analysis is done in phases to guarantee that the methods are followed correctly and that the study outcomes can be scientifically validated. The results showed that clinician supervision and teacher work motivation have an influence on the performance of public high school teachers in Banyuasin III sub-district, either partially or jointly. This article provides insight to have clinical supervision and work motivation where the school will have good teacher performance. Keyword: Clinical Supervision, Teacher Performance, Work Motivation 1. Introduction The principal plays a key role in improving the quality of education. According to Sagala (2009), in order to create high performance and quality education, the principal as a manager in educational institutions must be able to plan, organize, lead, and monitor educational programs and activities. Educational activities in schools will be successful if all of the connected parts in them can collaborate or form a strong work team to attain school learning