This research aims to investigate the contribution of teacher internship programs and self-improvement efforts to the formation of superior educators and increasing professionalism within the Center of Excellence (CoE) Vocational School environment. The research method used is a qualitative method with a case study approach. The data collection techniques used were participatory observation, interviews with teachers who had participated in the teacher internship program, and analysis of documents related to program implementation. The research results show that teacher internship programs and self-improvement efforts significantly increase teaching competence, understanding of the latest curriculum, and teacher managerial skills in transferring knowledge in the classroom through more structured learning practices, teachers who are straightforward in delivering material, and sharing experiences with another teacher related to internships. Recommendations from this research involve increasing collaboration between educational institutions and industry, providing stronger support from the government and schools for teacher self-improvement efforts, as well as developing teacher internship programs that are more structured and results-oriented to form students who are ready to enter the world of work. in line with industry expectations. To achieve this, teachers are needed whose competencies are expected to be in line with industry needs.
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