Key to grades (prior to fall 1971)

Last updated: March 1, 2017

Also see the transcript legend.

Undergraduate studies

Prior to fall 1968

Letter Grade Range Percentage Range
A 75 – 100
B 66 – 74
C 60 – 65
D 50 – 59
F 0 – 49

From fall 1968 to spring 1971

Letter Grade Range Percentage Range/Description Value
A+ 83 – 100 95
A 79 – 82 85
A- 75 – 78 75
B+ 72 – 74 72
B 69 – 71 69
B- 66 – 68 66
C+ 64 – 65 64
C 62 – 63 62
C- 60 – 61 60
D+ 57 – 59 58
D 54 – 56 54
D- 50 – 53 50
F+ 45 – 49 45
F 40 – 44 40
F- 0 – 39 30

Graduate studies

Prior to fall 1971

Letter Grade Range Percentage Range/Description Comments
A 75 – 100  
B 66 – 74  
C 60 – 65  
D 50 – 59 undergraduate courses only—not for graduate credit
F Fail  
J In Progress  
PAS Pass