MAT 1580 — PRECALCULUS at Sinclair Community College

Jacob A. Daniel 30 grades · 2 terms · 2021–2023 3.33GPA

56.7% A

26.7% B

13.3% C

0.0% D

3.3% F

30 letter grades · 2 sections · 2021–2023

Compare with the course

Daniel vs. the course average

A +28.5

B −2.5

C −5.5

D −9.2

F −11.4

Difference in percentage points.

14.3% withdrew · 5 of 35 enrolled.

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Justin Lee. Cochran 30 grades · 1 term · 2022 3.17GPA

46.7% A

30.0% B

20.0% C

0.0% D

3.3% F

30 letter grades · 2 sections · 2022

Compare with the course

Cochran vs. the course average

A +18.5

B +0.8

C +1.2

D −9.2

F −11.4

Difference in percentage points.

0.0% withdrew · 0 of 30 enrolled.

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Kevin G. Fraker 44 grades · 2 terms · 2023–2025 3.14GPA

45.5% A

29.5% B

18.2% C

6.8% D

0.0% F

44 letter grades · 2 sections · 2023–2025

Compare with the course

Fraker vs. the course average

A +17.3

B +0.4

C −0.7

D −2.4

F −14.7

Difference in percentage points.

0.0% withdrew · 0 of 44 enrolled.

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Chloe M. Busch 73 grades · 4 terms · 2021–2025 3.12GPA

42.5% A

34.2% B

17.8% C

4.1% D

1.4% F

73 letter grades · 4 sections · 2021–2025

Compare with the course

Busch vs. the course average

A +14.3

B +5.1

C −1.0

D −5.1

F −13.3

Difference in percentage points.

Each term against the course average

Summer 2021Summer 2025

7.6% withdrew · 6 of 79 enrolled.

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Scott M. Rolf 108 grades · 3 terms · 2022–2025 3.09GPA

39.8% A

37.0% B

15.7% C

7.4% D

0.0% F

108 letter grades · 4 sections · 2022–2025

Compare with the course

Rolf vs. the course average

A +11.7

B +7.9

C −3.1

D −1.8

F −14.7

Difference in percentage points.

0.9% withdrew · 1 of 109 enrolled.

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Heather M. Whittaker 56 grades · 3 terms · 2022–2025 3.09GPA

39.3% A

41.1% B

8.9% C

10.7% D

0.0% F

56 letter grades · 3 sections · 2022–2025

Compare with the course

Whittaker vs. the course average

A +11.2

B +11.9

C −9.9

D +1.5

F −14.7

Difference in percentage points.

9.7% withdrew · 6 of 62 enrolled.

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Marina Therese. Caldwell 87 grades · 3 terms · 2023–2026 3.07GPA

41.4% A

34.5% B

16.1% C

5.7% D

2.3% F

87 letter grades · 3 sections · 2023–2026

Compare with the course

Caldwell vs. the course average

A +13.3

B +5.3

C −2.7

D −3.4

F −12.4

Difference in percentage points.

3.3% withdrew · 3 of 90 enrolled.

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Kathleen R. Pirtle 71 grades · 4 terms · 2023–2025 2.79GPA

31.0% A

36.6% B

18.3% C

8.5% D

5.6% F

71 letter grades · 4 sections · 2023–2025

Compare with the course

Pirtle vs. the course average

A +2.9

B +7.4

C −0.5

D −0.7

F −9.1

Difference in percentage points.

Each term against the course average

Spring 2023Summer 2025

10.1% withdrew · 8 of 79 enrolled.

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Barbara Magee 63 grades · 3 terms · 2022–2026 2.46GPA

25.4% A

23.8% B

34.9% C

3.2% D

12.7% F

63 letter grades · 3 sections · 2022–2026

Compare with the course

Magee vs. the course average

A −2.7

B −5.4

C +16.1

D −6.0

F −2.0

Difference in percentage points.

14.9% withdrew · 11 of 74 enrolled.

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Brian V. Cafarella 55 grades · 2 terms · 2021–2022 2.44GPA

29.1% A

30.9% B

14.5% C

5.5% D

20.0% F

55 letter grades · 2 sections · 2021–2022

Compare with the course

Cafarella vs. the course average

A +1.0

B +1.7

C −4.3

D −3.7

F +5.3

Difference in percentage points.

14.1% withdrew · 9 of 64 enrolled.

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Eric P. Kraus 88 grades · 4 terms · 2021–2023 2.42GPA

22.7% A

31.8% B

23.9% C

8.0% D

13.6% F

88 letter grades · 5 sections · 2021–2023

Compare with the course

Kraus vs. the course average

A −5.4

B +2.6

C +5.0

D −1.2

F −1.1

Difference in percentage points.

Each term against the course average

Fall 2021Fall 2023

16.2% withdrew · 17 of 105 enrolled.

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Kendall N. Stanley 48 grades · 4 terms · 2021–2025 2.35GPA

27.1% A

20.8% B

16.7% C

31.3% D

4.2% F

48 letter grades · 4 sections · 2021–2025

Compare with the course

Stanley vs. the course average

A −1.0

B −8.3

C −2.2

D +22.1

F −10.5

Difference in percentage points.

Each term against the course average

Summer 2021Summer 2025

2.0% withdrew · 1 of 49 enrolled.

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Brandon Michael. Freeman 58 grades · 4 terms · 2022–2023 2.33GPA

19.0% A

34.5% B

20.7% C

12.1% D

13.8% F

58 letter grades · 4 sections · 2022–2023

Compare with the course

Freeman vs. the course average

A −9.2

B +5.3

C +1.8

D +2.9

F −0.9

Difference in percentage points.

Each term against the course average

Spring 2022Summer 2023

7.9% withdrew · 5 of 63 enrolled.

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David R. Ericson 32 grades · 3 terms · 2022–2025 2.28GPA

25.0% A

31.3% B

6.3% C

21.9% D

15.6% F

32 letter grades · 3 sections · 2022–2025

Compare with the course

Ericson vs. the course average

A −3.1

B +2.1

C −12.6

D +12.7

F +0.9

Difference in percentage points.

23.8% withdrew · 10 of 42 enrolled.

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Moez Ben-Azzouz 61 grades · 4 terms · 2022–2026 2.28GPA

23.0% A

27.9% B

21.3% C

9.8% D

18.0% F

61 letter grades · 4 sections · 2022–2026

Compare with the course

Ben-Azzouz vs. the course average

A −5.2

B −1.3

C +2.5

D +0.7

F +3.3

Difference in percentage points.

Each term against the course average

Fall 2022Spring 2026

10.3% withdrew · 7 of 68 enrolled.

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Najat Baji 364 grades · 12 terms · 2021–2026 2.22GPA

23.4% A

29.4% B

15.9% C

8.5% D

22.8% F

364 letter grades · 18 sections · 2021–2026

Compare with the course

Baji vs. the course average

A −4.8

B +0.2

C −2.9

D −0.7

F +8.1

Difference in percentage points.

Each term against the course average

Summer 2021Spring 2026

18.4% withdrew · 82 of 446 enrolled.

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Alecia M. Drouhard 33 grades · 1 term · 2025 2.15GPA

15.2% A

24.2% B

39.4% C

3.0% D

18.2% F

33 letter grades · 2 sections · 2025

Compare with the course

Drouhard vs. the course average

A −13.0

B −4.9

C +20.6

D −6.1

F +3.5

Difference in percentage points.

28.3% withdrew · 13 of 46 enrolled.

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Len L. Ruth 39 grades · 2 terms · 2023–2025 2.08GPA

28.2% A

20.5% B

12.8% C

7.7% D

30.8% F

39 letter grades · 3 sections · 2023–2025

Compare with the course

Ruth vs. the course average

A +0.1

B −8.7

C −6.0

D −1.5

F +16.1

Difference in percentage points.

32.8% withdrew · 19 of 58 enrolled.

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Viet T. Tran 47 grades · 3 terms · 2021–2022 2.04GPA

14.9% A

25.5% B

25.5% C

17.0% D

17.0% F

47 letter grades · 3 sections · 2021–2022

Compare with the course

Tran vs. the course average

A −13.2

B −3.6

C +6.7

D +7.9

F +2.3

Difference in percentage points.

11.3% withdrew · 6 of 53 enrolled.

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Victoria Kruglov 36 grades · 2 terms · 2024–2025 2.03GPA

19.4% A

25.0% B

19.4% C

11.1% D

25.0% F

36 letter grades · 2 sections · 2024–2025

Compare with the course

Kruglov vs. the course average

A −8.7

B −4.2

C +0.6

D +1.9

F +10.3

Difference in percentage points.

34.5% withdrew · 19 of 55 enrolled.

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Marla M. Norman 31 grades · 4 terms · 2021–2025 1.90GPA

16.1% A

16.1% B

35.5% C

6.5% D

25.8% F

31 letter grades · 4 sections · 2021–2025

Compare with the course

Norman vs. the course average

A −12.0

B −13.0

C +16.6

D −2.7

F +11.1

Difference in percentage points.

Each term against the course average

Summer 2021Summer 2025

8.8% withdrew · 3 of 34 enrolled.

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David A. Stott 31 grades · 3 terms · 2022–2024 1.68GPA

16.1% A

9.7% B

29.0% C

16.1% D

29.0% F

31 letter grades · 3 sections · 2022–2024

Compare with the course

Stott vs. the course average

A −12.0

B −19.5

C +10.2

D +7.0

F +14.3

Difference in percentage points.

41.5% withdrew · 22 of 53 enrolled.

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Marie M. Stroh 37 grades · 4 terms · 2021–2023 0.76GPA

2.7% A

10.8% B

8.1% C

16.2% D

62.2% F

37 letter grades · 4 sections · 2021–2023

Compare with the course

Stroh vs. the course average

A −25.4

B −18.4

C −10.7

D +7.0

F +47.5

Difference in percentage points.

Each term against the course average

Fall 2021Spring 2023

27.5% withdrew · 14 of 51 enrolled.

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Sharon Ann. Bole 1 grades · 1 term · 2025 · Limited sample 4.00GPA

100.0% A

0.0% B

0.0% C

0.0% D

0.0% F

1 letter grades · 1 section · 2025 · Limited sample

0.0% withdrew · 0 of 1 enrolled.

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Amy J. Geiger 5 grades · 1 term · 2025 · Limited sample 3.80GPA

80.0% A

20.0% B

0.0% C

0.0% D

0.0% F

5 letter grades · 1 section · 2025 · Limited sample

0.0% withdrew · 0 of 5 enrolled.

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Jere Issenmann. Clark 8 grades · 1 term · 2021 · Limited sample 3.38GPA

37.5% A

62.5% B

0.0% C

0.0% D

0.0% F

8 letter grades · 1 section · 2021 · Limited sample

0.0% withdrew · 0 of 8 enrolled.

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Nancy Ann. Dever 17 grades · 1 term · 2025 · Limited sample 3.23GPA

35.3% A

52.9% B

11.8% C

0.0% D

0.0% F

17 letter grades · 1 section · 2025 · Limited sample

0.0% withdrew · 0 of 17 enrolled.

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Bret T. Klassen 13 grades · 1 term · 2022 · Limited sample 3.08GPA

53.8% A

23.1% B

7.7% C

7.7% D

7.7% F

13 letter grades · 1 section · 2022 · Limited sample

13.3% withdrew · 2 of 15 enrolled.

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Vincent T. Shaw 12 grades · 1 term · 2021 · Limited sample 2.83GPA

25.0% A

50.0% B

16.7% C

0.0% D

8.3% F

12 letter grades · 1 section · 2021 · Limited sample

14.3% withdrew · 2 of 14 enrolled.

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Lani M. Wildow 6 grades · 1 term · 2021 · Limited sample 2.83GPA

33.3% A

33.3% B

16.7% C

16.7% D

0.0% F

6 letter grades · 1 section · 2021 · Limited sample

14.3% withdrew · 1 of 7 enrolled.

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Natalie Mercker 4 grades · 1 term · 2025 · Limited sample 2.75GPA

50.0% A

0.0% B

25.0% C

25.0% D

0.0% F

4 letter grades · 1 section · 2025 · Limited sample

0.0% withdrew · 0 of 4 enrolled.

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Jim D. Hardman 13 grades · 1 term · 2023 · Limited sample 2.69GPA

30.8% A

30.8% B

23.1% C

7.7% D

7.7% F

13 letter grades · 1 section · 2023 · Limited sample

13.3% withdrew · 2 of 15 enrolled.

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Mathew E. Kerns 24 grades · 2 terms · 2025–2026 · Limited sample 2.67GPA

33.3% A

29.2% B

16.7% C

12.5% D

8.3% F

24 letter grades · 2 sections · 2025–2026 · Limited sample

14.3% withdrew · 4 of 28 enrolled.

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Ma Venus I. Hayden 20 grades · 1 term · 2025 · Limited sample 2.65GPA

40.0% A

15.0% B

30.0% C

0.0% D

15.0% F

20 letter grades · 1 section · 2025 · Limited sample

4.8% withdrew · 1 of 21 enrolled.

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Joseph A. Stomps 14 grades · 1 term · 2025 · Limited sample 2.64GPA

21.4% A

35.7% B

28.6% C

14.3% D

0.0% F

14 letter grades · 1 section · 2025 · Limited sample

0.0% withdrew · 0 of 14 enrolled.

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Chuda M. Chamlagai 8 grades · 1 term · 2023 · Limited sample 2.63GPA

37.5% A

37.5% B

0.0% C

0.0% D

25.0% F

8 letter grades · 1 section · 2023 · Limited sample

27.3% withdrew · 3 of 11 enrolled.

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Kenny Y. So 8 grades · 1 term · 2025 · Limited sample 2.50GPA

25.0% A

37.5% B

12.5% C

12.5% D

12.5% F

8 letter grades · 1 section · 2025 · Limited sample

27.3% withdrew · 3 of 11 enrolled.

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Jesse T. Williams 19 grades · 1 term · 2025 · Limited sample 2.42GPA

21.1% A

21.1% B

42.1% C

10.5% D

5.3% F

19 letter grades · 1 section · 2025 · Limited sample

5.0% withdrew · 1 of 20 enrolled.

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Joe R. Czupryn 16 grades · 1 term · 2023 · Limited sample 2.19GPA

18.8% A

18.8% B

31.3% C

25.0% D

6.3% F

16 letter grades · 1 section · 2023 · Limited sample

20.0% withdrew · 4 of 20 enrolled.

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Amy N. Lamb 14 grades · 1 term · 2024 · Limited sample 2.14GPA

21.4% A

21.4% B

28.6% C

7.1% D

21.4% F

14 letter grades · 1 section · 2024 · Limited sample

41.7% withdrew · 10 of 24 enrolled.

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Laura Phelps 16 grades · 1 term · 2023 · Limited sample 2.06GPA

12.5% A

37.5% B

18.8% C

6.3% D

25.0% F

16 letter grades · 1 section · 2023 · Limited sample

30.4% withdrew · 7 of 23 enrolled.

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Bryan Ropp 14 grades · 1 term · 2022 · Limited sample 2.00GPA

21.4% A

21.4% B

14.3% C

21.4% D

21.4% F

14 letter grades · 1 section · 2022 · Limited sample

33.3% withdrew · 7 of 21 enrolled.

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Amy E. Osborne 7 grades · 1 term · 2023 · Limited sample 2.00GPA

28.6% A

28.6% B

0.0% C

0.0% D

42.9% F

7 letter grades · 1 section · 2023 · Limited sample

36.4% withdrew · 4 of 11 enrolled.

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Akeru W. Daniels 18 grades · 3 terms · 2022–2026 · Limited sample 2.00GPA

22.2% A

22.2% B

11.1% C

22.2% D

22.2% F

18 letter grades · 3 sections · 2022–2026 · Limited sample

18.2% withdrew · 4 of 22 enrolled.

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Lamar D. Dorsey 17 grades · 1 term · 2025 · Limited sample 1.65GPA

11.8% A

17.6% B

23.5% C

17.6% D

29.4% F

17 letter grades · 1 section · 2025 · Limited sample

22.7% withdrew · 5 of 22 enrolled.

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Kinga M. Oliver 14 grades · 1 term · 2021 · Limited sample 1.29GPA

7.1% A

14.3% B

28.6% C

0.0% D

50.0% F

14 letter grades · 1 section · 2021 · Limited sample

30.0% withdrew · 6 of 20 enrolled.

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Professors 46 of 46