Course record PTRT

PTRT 1191

ST: Petroleum Technology/Techn

Lone Star College System

208 grades18 sections5 professors
Grades: 2023–2025
Flunk Score38/100
Below average

Professors 5 of 5

Donald Prier 26 grades · 1 term · 2025 3.38GPA
57.7% A
23.1% B
19.2% C
0.0% D
0.0% F

26 letter grades · 1 section · 2025

Compare with the course
Prier vs. the course average
A +7.7
B −3.8
C +4.8
D −3.4
F −5.3

Difference in percentage points.

0.0% withdrew · 0 of 26 enrolled.

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Jared Cammon 78 grades · 8 terms · 2023–2025 3.14GPA
57.7% A
19.2% B
11.5% C
2.6% D
9.0% F

78 letter grades · 8 sections · 2023–2025

Compare with the course
Cammon vs. the course average
A +7.7
B −7.7
C −2.9
D −0.8
F +3.7

Difference in percentage points.

Each term against the course average
Spring 2023Summer 2025

1.3% withdrew · 1 of 79 enrolled.

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Gabriel Cardenas 69 grades · 5 terms · 2023–2025 2.97GPA
39.1% A
33.3% B
17.4% C
5.8% D
4.3% F

69 letter grades · 5 sections · 2023–2025

Compare with the course
Cardenas vs. the course average
A −10.9
B +6.4
C +3.0
D +2.4
F −0.9

Difference in percentage points.

Each term against the course average
Summer 2023Fall 2025

1.4% withdrew · 1 of 70 enrolled.

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Bo Zhao 18 grades · 2 terms · 2023–2025 · Limited sample 3.56GPA
61.1% A
33.3% B
5.6% C
0.0% D
0.0% F

18 letter grades · 2 sections · 2023–2025 · Limited sample

0.0% withdrew · 0 of 18 enrolled.

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John Skopak 17 grades · 2 terms · 2023–2024 · Limited sample 2.88GPA
35.3% A
35.3% B
17.6% C
5.9% D
5.9% F

17 letter grades · 2 sections · 2023–2024 · Limited sample

0.0% withdrew · 0 of 17 enrolled.

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