DEVELOPING TEACHER PROFESSIONALISM IN THE SCHOOL ENVIRONMENT (A QUALITATIVE CASE STUDY IN 3 STATE JUNIOR HIGH SCHOOLS IN YOGYAKARTA)
Teacher professional development is essential for improving the quality of teaching, yet its implementation is strongly influenced by school context and leadership. This study aims to examine: (1) how principals develop teacher professional development in schools; (2) the support received by principals; and (3) the obs...