Professor record Geology

Derek Gibson

Southern Illinois University-Carbondale

61 grades11 sections9 courses
Grades: 2025–2026
Flunk Score26/100
Below average

Grade record

All courses · 11 sections
Average GPA
3.08
Across 61 grades
77%
A or B
of 61 grades
13.1%
D, F or withdrew
54.1%
A
33
23.0%
B
14
9.8%
C
6
3.3%
D
2
9.8%
F
6
Shares of 61 letter grades · nobody withdrew

How the averages compare

Against other Geology classes, and against the university

  • 3.08Gibson
  • 3.08Geology courses
  • 3.28School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 3.08 average 4 terms
Spring 2025Spring 2026
11 sections · 4 terms · Spring 2025 – Spring 2026
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