Professor record GEOL

John P Castagna

University of Houston

484 grades75 sections12 courses
Grades: 2014–2025
Flunk Score88/100
Excellent

Grade record

All courses · 75 sections
Average GPA
3.77
Across 484 grades
99%
A or B
of 484 grades
0.8%
D, F or withdrew
of 487 enrolled
84.3%
A
408
14.3%
B
69
1.2%
C
6
0.2%
F
1
0.6%
W
3
A–F are shares of 484 letter grades · W is a share of all 487 enrolled

How the averages compare

Against other GEOL classes, and against the university

  • 2.92GEOL courses
  • 3.11School average
  • 3.77Castagna
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 3.77 average 22 terms
Spring 2014Spring 2025
75 sections · 22 terms · Spring 2014 – Spring 2025
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