Professor record AST

Alan Calder

Stony Brook University

28 grades1 section
Grades: 2025
Flunk Score—
Not enough comparison data

A reliable within-course grade or school-relative evaluation comparison is needed to score ARH 339.

ARH 339 · The Art and Science of AstronomyARH 339 · all instructors & syllabi

Grade record

ARH 339 · 1 section
Average GPA
3.53
The Art and Science of Astronomy
Across 28 grades in ARH 339
93%
A or B
of 28 grades
0.0%
D, F or withdrew
67.9%
A
19
25.0%
B
7
7.1%
C
2
Shares of 28 letter grades · nobody withdrew
No other professor is on record for ARH 339, so there is no course average to measure against. i

How the averages compare

Against other AST classes, and against the university

  • 3.10AST courses
  • 3.39School average
  • 3.53ARH 339
Average GPA · Zoomed GPA scale
Lower averageHigher average
1 section
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