Professor record University

Kwangho Choiy

Southern Illinois University-Carbondale

48 grades3 sections
Grades: 2024–2025
Flunk Score99/100
Excellent
Mathematics 221 · Intro to Linear AlgebraMathematics 221 · all instructors & syllabi

Grade record

Mathematics 221 · 3 sections
Average GPA
3.44
Intro to Linear Algebra
Across 48 grades in Mathematics 221
92%
A or B
of 48 grades
15.4%
D, F or withdrew
of 52 enrolled
62.5%
A
30
29.2%
B
14
6.3%
D
3
2.1%
F
1
7.7%
W
4
A–F are shares of 48 letter grades · W is a share of all 52 enrolled
Against everyone else who teaches Mathematics 221
+22% vs. the Mathematics 221 average (2.82 across 3 professors)

How the averages compare

Against other University classes, and against the university

  • 2.97University courses
  • 3.28School average
  • 3.44Mathematics 221
Average GPA · Zoomed GPA scale
Lower averageHigher average
3 sections · 3 terms · Summer 2024 – Fall 2025
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