Grading System

Class
Lowest Range
Middle Range
Highest Range
O
110
115.0
120
S+
107
108.0
109
S
104
105.0
106
S-
101
102.0
103
A+
97
98.5
100
A
94
95.0
96
A-
90
91.5
93
B+
87
88.0
89
B
83
84.5
86
B-
80
81.0
82
C+
77
78.0
79
C
73
74.5
76
C-
70
71.0
72
D+
67
68.0
69
D
63
64.5
66
D-
60
61.0
62
F+
50
54.5
59
F
40
44.5
49
F-
30
34.5
39
Z
0
14.5
29