Because most teachers do not have quality standards and curriculum, instruction and assessment as learning. Focus on subjects and teachers is a priority, not to enrich learning.
Most teachers do not because of the quality standards. Curriculum and instruction, and assessment of learners. Schools and teachers are on the set. Not cater to students.
Because the quality most of the teachers are not standard. And the curriculum and evaluation method. Focusing on the subject and teacher as a set. Do not give importance to students.