Professor record ST
Ryan Martin
North Carolina State University at Raleigh
66 grades1 section
Grades: 2025
Flunk Score99/100
ExcellentST 431 · Introduction to Experimental DesignST 431 · all instructors & syllabi
Grade record
Average GPA
3.29
Introduction to Experimental Design
Across 66 grades in ST 431
88%
A or B
of 66 grades
7.6%
D, F or withdrew
57.6%
A
38
30.3%
B
20
4.5%
C
3
1.5%
D
1
6.1%
F
4
Shares of 66 letter grades · this school does not publish withdrawals
Against everyone else who teaches ST 431
+9% vs. the ST 431 average (3.01 across 5 professors)
How the averages compare
Against other ST classes, and against the university
- 3.01ST courses
- 3.29ST 431
- 3.35School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Lower averageHigher average
1 section
Find a course or professor
Search helper · Uses this school’s records. Try “compare ECON 101” or a professor’s name.