Professor record Mathematics

Porter Summers

Southern Illinois University-Carbondale

103 grades5 sections
Grades: 2025–2026
Flunk Score56/100
Mixed record
Mathematics 108 · College AlgebraMathematics 108 · all instructors & syllabi

Grade record

Mathematics 108 · 5 sections
Average GPA
2.16
College Algebra
Across 103 grades in Mathematics 108
41%
A or B
of 103 grades
39.3%
D, F or withdrew
of 112 enrolled
25.2%
A
26
15.5%
B
16
25.2%
C
26
18.4%
D
19
15.5%
F
16
8.0%
W
9
A–F are shares of 103 letter grades · W is a share of all 112 enrolled
Against everyone else who teaches Mathematics 108
−2% vs. the Mathematics 108 average (2.20 across 15 professors)

How the averages compare

Against other Mathematics classes, and against the university

  • 2.16Mathematics 108
  • 2.47Mathematics courses
  • 3.28School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
5 sections · 3 terms · Spring 2025 – Spring 2026
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