The presence of competent teachers has a significant impact on how well students learn at school. One approach principals can use to improve teacher professionalism is through systematic, scheduled, and ongoing academic monitoring. This study aims to describe the implementation of academic supervision and analyze its contribution to improving teacher professionalism at MI Islamiyah Palangka Raya. The study employed a descriptive qualitative approach supported by quantitative supervision data. Data were collected through documentation of supervision programs, supervision instruments, supervision reports, supervision records, and follow-up reports. Data analysis consisted of data reduction, data display, and conclusion drawing. The findings indicate that academic supervision was implemented through planning, supervision of instructional administration, classroom observation, and follow-up activities. Most teachers achieved good and very good supervision scores. Nevertheless, several aspects still required improvement, including lesson planning, assessment instruments, instructional media utilization, technology integration, and remedial and enrichment programs. Continuous mentoring, workshops, and professional coaching significantly contributed to improving teachers' competencies and instructional quality. Therefore, academic supervision is an effective strategy for enhancing teacher professionalism.
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