Grouping students in terms of ability and aptitude is assumed to be advantageous, given that high-performing students may be stimulated more while low-performing students may be supported more. However, studies on ability grouping often provide mixed results. Additionally, although ability grouping is a common practice in the Philippines, it has…

As major sources of information, curriculum materials (CMs) have generally served teachers and students by providing instructional and learning support. The impact of CMs on teachers' pedagogical practice and learners' engagement and success had been fairly documented. However, just as the use of CMs is influenced by teachers' orientations and…