S (This score is not counting in the case that the choice of the score is only sufficiency or insufficiency.)
A:3 point (80-100)
B:2 point (70-79)
C:1 point (60-69)
Or
A:3 point (90-100)
B:3 point (80-89)
C:2 point (70-79)
D:1 point (60-69) not fail case
วิธีคำนวน Academic coefficient of performance = (3 points×number of credits +2 points×number of credits+1 points×number of credits)/ the number of total credits
เช่น ได้ A วิชา 3 หน่วยกิต ก็จะเป็น 3 x 3 = 9 (3 points×number of credits)