The role of the teacher in assessment of learning and assessment as learning is central to the entire educational process, bridging instruction and student progress. In the context of curriculum, teaching-learning, and assessment, teachers act not only as facilitators of knowledge but also as evaluators who guide students’ understanding and development. Assessment of learning, often referred to as summative assessment, is primarily focused on measuring student achievement at the end of a learning period. It is intended to determine how well students have mastered specific learning outcomes prescribed in the curriculum. In this process, the teacher’s role involves designing appropriate tools and techniques to capture evidence of learning accurately. These may include tests, projects, assignments, or examinations aligned with curriculum objectives. The teacher ensures that these assessments are valid, reliable, and fair, providing an accurate reflection of student learning. Beyond designing assessment tools, teachers interpret results to identify strengths and weaknesses, offering feedback that informs both students and educational planners. For students, this helps in understanding their current level of competence, while for teachers, it provides insights into the effectiveness of their teaching methods and curriculum implementation. In assessment as learning, the teacher’s role shifts from simply measuring performance