Professor record PTAC

Staffon Derrell Isaac

Lee College

102 grades7 sections
Grades: 2023–2025
Flunk Score1/100
Needs work
PTAC 2420 · Process Technology II-SystemsPTAC 2420 · all instructors & syllabi

Grade record

PTAC 2420 · 7 sections
Average GPA
2.54
Process Technology II-Systems
Across 102 grades in PTAC 2420
59%
A or B
of 102 grades
16.2%
D, F or withdrew
of 111 enrolled
10.8%
A
11
48.0%
B
49
32.4%
C
33
2.0%
D
2
6.9%
F
7
8.1%
W
9
A–F are shares of 102 letter grades · W is a share of all 111 enrolled
Against everyone else who teaches PTAC 2420
−8% vs. the PTAC 2420 average (2.77 across 5 professors)

How the averages compare

Against other PTAC classes, and against the university

  • 2.54PTAC 2420
  • 2.59PTAC courses
  • 2.83School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.54 average 5 terms
Fall 2023Fall 2025
7 sections · 5 terms · Fall 2023 – Fall 2025
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