) Science for 5hrs/week/class, 1 class of Mathayom 2 (grade 8) Science for 5hrs/week/class, 1 class of Mathayom 3 (grade 9...) Science for 5hrs/week/class, 1 class of Mathayom 3 (grade 9) English Writing for 2hrs/week/class. The total teaching load...
) Science for 5hrs/week/class, 1 class of Mathayom 2 (grade 8) Science for 5hrs/week/class, 1 class of Mathayom 3 (grade 9...) Science for 5hrs/week/class, 1 class of Mathayom 3 (grade 9) English Writing for 2hrs/week/class. The total teaching load...