<![CDATA[This study aims to analyze teachers’ professional competencies in supporting learning at Panca Budi Junior High School in Medan. Professional competence is one of thefour core competencies that teachers must possess, as mandated by Law No. 14 of 2005 on Teachers and Lecturers.This competence encompasses a broad and in-depth mastery of learning materials, mastery of competency standards andcore subject competencies, the creative development of learning materials, the utilization of information andcommunication technology for learning, and continuous professional development. This study employed a descriptivequalitative approach using a case study design. Data collection techniques included participatory observation, indepth interviews with the principal, the vice principal forcurriculum, teachers, and students, as well as documentation of instructional materials, teacher certifications, and ongoingprofessional development activities. The results of the study indicate that the professional competencies of teachers atPanca Budi Junior High School in Medan are at a good level. Teachers demonstrate a deep mastery of subject matter, theability to independently develop instructional materials, creativity in using teaching methods and media, and acommitment to continuous professional development through training, workshops, and Subject Teacher WorkingGroup (MGMP) activities. Factors supporting professional competencies include school policies that encourage]]>
