Professor record BIO
Samantha Silvestri
279 grades2 sections
Grades: 2025–2026
Flunk Score40/100
Mixed record
BIO 101 · Principles of Biology IBIO 101 · all instructors & syllabi
Grade record
Average GPA
2.44
Principles of Biology I
Across 279 grades in BIO 101
56%
A or B
of 279 grades
22.6%
D, F or withdrew
25.4%
A
71
30.1%
B
84
21.9%
C
61
8.6%
D
24
14.0%
F
39
Shares of 279 letter grades · this school does not publish withdrawals
Against everyone else who teaches BIO 101
+6% vs. the BIO 101 average (2.30 across 6 professors)
How the averages compare
Against other BIO classes, and against the university
- 2.44BIO 101
- 2.86BIO courses
- 3.29School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Lower averageHigher average
2 sections · 2 terms · Fall 2025 – Spring 2026
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