This study aims to analyze the competence of academic supervision and managerial supervision in improving the performance of Vocational High School supervisors in Langsa City, using descriptive method. The approach used is a qualitative approach. The place of research was carried out at the Office of UPTD PPMG Region IV Langsa, and Vocational High School in Langsa City. Principals The subject of this research consisted of: 5 school supervisors, 9 headmaster, 30 teachers and 1 Head of Education Agency of Langsa City. Data collection techniques are conducted through observation, indepth interviews, documentation studies, and triangulation, using tools such as tape recorders, cameras and notebooks. The result of the research shows that the competency analysis of academic supervision and managerial supervision in improving the performance of Vocational High School supervisor in Langsa City is not in accordance with the standard which refer to: (1) rubric of performance appraisal instrument of school supervisor,(2) the regulation of the Minister of Administrative Reform and Bureaucracy Reform Number 21 of 2010; and (3) the workbook of the school supervisor. Needs improvement on the four main task components of school supervisors include: (1) programming, (2) program implementation, (3) evaluating the results of supervisory program implementation, and (4) guiding and training professional teachers/headmaster. With reference to the above three performance standards, the four main task components of the supervisor will be in accordance with applicable regulations, which will improve the performance of Vocational High School supervisors in Langsa City in conducting academic supervision and managerial supervision.