Professor record PERS
Ralph Zimmerman
3,411 grades19 sections
Grades: 2009–2026
Flunk Score97/100
ExcellentGrade record
Average GPA
3.77
Across 3,411 grades in PERS 2002
95%
A or B
of 3,411 grades
4.9%
D, F or withdrew
of 3,459 enrolled
88.5%
A
3,019
6.2%
B
212
1.7%
C
58
0.7%
D
23
2.9%
F
99
1.4%
W
48
A–F are shares of 3,411 letter grades · W is a share of all 3,459 enrolled
Against everyone else who teaches PERS 2002
+19% vs. the PERS 2002 average (3.16 across 147 professors)
How the averages compare
Against other PERS classes, and against the university
- 3.04School average
- 3.19PERS courses
- 3.77PERS 2002
Average GPA · Zoomed GPA scale
Lower averageHigher average
Lower averageHigher average
Every term against the 3.77 average
17 terms
Fall 2009Summer 2026
19 sections · 17 terms · Fall 2009 – Summer 2026
Find a course or professor
Search helper · Uses this school’s records. Try “compare ECON 101” or a professor’s name.