grades

1.

điểm số

a particular level of rank, quality, proficiency, intensity, or value.

:
sea salt is usually available in coarse or fine grades
2.

điểm số

a mark indicating the quality of a student's work.

:
I got good grades last semester
1.

điểm số

arrange in or allocate to grades; class or sort.

:
they are graded according to thickness
2.

điểm số

give a mark to (a student or a piece of work).