Professor record Mathematics

Rasanji Rathnayake

Southern Illinois University-Carbondale

91 grades7 sections
Grades: 2023–2025
Flunk Score40/100
Mixed record
Mathematics 109 · Trig & Analytic GeometryMathematics 109 · all instructors & syllabi

Grade record

Mathematics 109 · 7 sections
Average GPA
2.18
Trig & Analytic Geometry
Across 91 grades in Mathematics 109
44%
A or B
of 91 grades
54.3%
D, F or withdrew
of 129 enrolled
22.0%
A
20
22.0%
B
20
20.9%
C
19
22.0%
D
20
13.2%
F
12
29.5%
W
38
A–F are shares of 91 letter grades · W is a share of all 129 enrolled
Against everyone else who teaches Mathematics 109
+0% vs. the Mathematics 109 average (2.17 across 12 professors)

How the averages compare

Against other Mathematics classes, and against the university

  • 2.18Mathematics 109
  • 2.47Mathematics courses
  • 3.28School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.18 average 5 terms
Fall 2023Fall 2025
7 sections · 5 terms · Fall 2023 – Fall 2025
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