AbstractThis past five years has seen a drastic reform takes over in English Language Education. The reform prompts a significant change in the field of teaching, learning and the assessment system. To note, the recent implementation of CEFR-aligned Classroom-Based Assessment (CEFR CBA) demands teachers to be a comprehensive implementer in assessing students within their teaching and learning practices. As this enactment is concerned, teachers_ professional development (TPD) program plays the crucial roles to ensure teachers are well equipped with the content and pedagogical knowledge in the new policy. TPD has become an important professional learning medium for teachers in the aim of increasing their professionalism to enact educational change. Hence, this study was conducted to explore the enactment of teachers_ professional development program within two main contexts which are at the meso (school) and macro (education department) level. This study revealed that the enactment of TPD progra.....