Course record PHYSICS
PHYSICS 20A
Introduction to Astronomy
University of California-Irvine
3,116 grades34 sections11 professors
Grades: 2014–2025
Flunk Score17/100
Needs workGrade record
3.16
average GPA across 3,116 grades
78%
A or B
of 3,116 grades
7.0%
D, F or withdrew
of 3,135 enrolled
48.6%
A
1,513
29.7%
B
927
15.3%
C
477
3.7%
D
115
2.7%
F
84
0.6%
W
19
A–F are shares of 3,116 letter grades · W is a share of all 3,135 enrolled
How the averages compare
Against other PHYSICS courses, and against the university
- 3.09PHYSICS courses
- 3.16PHYSICS 20A
- 3.28School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Lower averageHigher average
Every term against the 3.16 average
31 terms
Summer 2014Fall 2025
34 sections · 31 terms · Summer 2014 – Fall 2025
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