98% of the 161 students who finished IS 551 at UIUC got an A or B, across 6 sections and 2 instructors.
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| Instructor | Grades given | Students |
|---|---|---|
| Tilley, Carol L 5 sections · last Fall 2025 | 85% A · 13% B · 0% C · 2% D/F | 139 |
| Koh, Kyungwon 1 section · last Spring 2024 | 64% A · 32% B · 0% C · 4% D/F | 22 |
Instructors with at least 20 graded students. Past grades don't guarantee future ones.
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Source: grade distributions published by UIUC. All UIUC grade distributions · IS 551 sections, times and prerequisites.