Course record MATH

MATH 139

Joliet Junior College

242 grades17 sections7 professors
Grades: 2025–2026
Flunk Score11/100
Needs work

Professors 7 of 7

John Bialas 43 grades · 2 terms · 2025–2026 2.63GPA
16.3% A
44.2% B
27.9% C
9.3% D
2.3% F

43 letter grades · 2 sections · 2025–2026

Compare with the course
Bialas vs. the course average
A −1.9
B +9.9
C −1.4
D −3.9
F −2.6

Difference in percentage points.

20.4% withdrew · 11 of 54 enrolled.

Open full professor record
David Ruffatto 40 grades · 2 terms · 2025–2026 2.45GPA
22.5% A
30.0% B
25.0% C
15.0% D
7.5% F

40 letter grades · 4 sections · 2025–2026

Compare with the course
Ruffatto vs. the course average
A +4.3
B −4.3
C −4.3
D +1.8
F +2.5

Difference in percentage points.

32.2% withdrew · 19 of 59 enrolled.

Open full professor record
Jason Eltrevoog 52 grades · 2 terms · 2025 2.40GPA
15.4% A
28.8% B
38.5% C
15.4% D
1.9% F

52 letter grades · 3 sections · 2025

Compare with the course
Eltrevoog vs. the course average
A −2.8
B −5.5
C +9.1
D +2.2
F −3.0

Difference in percentage points.

24.6% withdrew · 17 of 69 enrolled.

Open full professor record
Brian Holman 12 grades · 1 term · 2026 · Limited sample 3.08GPA
33.3% A
41.7% B
25.0% C
0.0% D
0.0% F

12 letter grades · 1 section · 2026 · Limited sample

0.0% withdrew · 0 of 12 enrolled.

Open full professor record
James Morgan 15 grades · 1 term · 2025 · Limited sample 2.87GPA
40.0% A
33.3% B
6.7% C
13.3% D
6.7% F

15 letter grades · 1 section · 2025 · Limited sample

21.1% withdrew · 4 of 19 enrolled.

Open full professor record
Carol Jackson 22 grades · 1 term · 2025 · Limited sample 2.41GPA
9.1% A
40.9% B
36.4% C
9.1% D
4.5% F

22 letter grades · 1 section · 2025 · Limited sample

15.4% withdrew · 4 of 26 enrolled.

Open full professor record
Daniel Sourile 19 grades · 1 term · 2026 · Limited sample 2.32GPA
5.3% A
42.1% B
36.8% C
10.5% D
5.3% F

19 letter grades · 1 section · 2026 · Limited sample

13.6% withdrew · 3 of 22 enrolled.

Open full professor record
Find a course or professor

Search helper · Uses this school’s records. Try “compare ECON 101” or a professor’s name.