Professor record CHEM

David Mammen

Houston Community College

62 grades3 sections2 courses
Grades: 2023–2025
Flunk Score90/100
Excellent

Grade record

All courses · 3 sections
Average GPA
3.47
Across 62 grades
90%
A or B
of 62 grades
8.1%
D, F or withdrew
72.6%
A
45
17.7%
B
11
1.6%
C
1
8.1%
F
5
Shares of 62 letter grades · this school does not publish withdrawals

How the averages compare

Against other CHEM classes, and against the university

  • 2.68CHEM courses
  • 2.83School average
  • 3.47Mammen
Average GPA · Zoomed GPA scale
Lower averageHigher average
3 sections · 3 terms · Fall 2023 – Summer 2025
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