We didn't have an overall letter grade, but they did provide for different student outcomes.
So for sem1,sem2 it was:
eng adv - all A, then 2A, 2B
eng ext - all b, then all A
madv&mx1 (for some reason they combined the outcomes for this) - all Bs, 1C, 1A, then all B, 1 A
phys - C, C then B, B...