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UIUC grade distribution

ASTR 405: Planetary Systems

79% of the 546 students who finished ASTR 405 at UIUC got an A or B, across 12 sections and 5 instructors.

A 48%B 31%C 13%D/F 8%W 0%

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By instructor, easiest first

InstructorGrades givenStudents
Dong, Jiayin
1 section · last Fall 2025
77% A · 23% B · 0% C · 0% D/F
35
Gammie, Charles F
3 sections · last Spring 2025
40% A · 41% B · 12% C · 8% D/F
172
Wong, Tony
6 sections · last Spring 2022
50% A · 26% B · 16% C · 9% D/F
255
Gross, Arran C
1 section · last Spring 2024
52% A · 22% B · 18% C · 7% D/F
54
Past instructors (1) · last taught before 2022
Dalal, Neal K
1 section · last Spring 2017
47% A · 43% B · 7% C · 3% D/F
30

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 · ASTR 405 sections, times and prerequisites.