Professor record COSC

Michael Callahan

Lone Star College System

628 grades32 sections5 courses
Grades: 2023–2025
Flunk Score29/100
Below average

Grade record

All courses · 32 sections
Average GPA
2.69
Across 628 grades
67%
A or B
of 628 grades
34.6%
D, F or withdrew
of 694 enrolled
51.6%
A
324
15.8%
B
99
4.9%
C
31
5.4%
D
34
22.3%
F
140
9.5%
W
66
A–F are shares of 628 letter grades · W is a share of all 694 enrolled

How the averages compare

Against other COSC classes, and against the university

  • 2.69Callahan
  • 2.75COSC courses
  • 2.96School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.69 average 8 terms
Spring 2023Fall 2025
32 sections · 8 terms · Spring 2023 – Fall 2025
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