Professor record Mathematics

Rasanji Rathnayake

Southern Illinois University-Carbondale

419 grades25 sections7 courses
Grades: 2023–2026
Flunk Score5/100
Needs work

Grade record

All courses · 25 sections
Average GPA
2.39
Across 419 grades
51%
A or B
of 419 grades
41.6%
D, F or withdrew
of 512 enrolled
29.6%
A
124
21.5%
B
90
20.3%
C
85
15.5%
D
65
13.1%
F
55
18.2%
W
93
A–F are shares of 419 letter grades · W is a share of all 512 enrolled

How the averages compare

Against other Mathematics classes, and against the university

  • 2.39Rathnayake
  • 2.47Mathematics courses
  • 3.28School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.39 average 8 terms
Fall 2023Spring 2026
25 sections · 8 terms · Fall 2023 – Spring 2026
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