Letter
%

Range
A+
100
96.67 - 100
A
95
93.33 - 96.67
A-
91.67
90 - 93.33

90

B+
88.33

86.67 - 90
B
85
83.33 - 86.67
B-
81.67
80 - 83.33

80

C+
78.33

76.67 - 80
C
75
73.33 - 76.67
C-
71.67
70 - 73.33

70