John Sullivan

MATH20B · MATH6123 · MATH20A · MATH20 · MATH201 · A6317 · 13 lifetime ratings

AI rating: 56/100
RMP rating: 3.6/5
Take again: —
Difficulty: 2.9

The decision

if you want a mentor who pushes group learning and humor, but and attend every class.

Best fit · Effort For RewardPolarizing MentorAttendance TakenGroup Learning StyleFigure It Out YourselfSense of Humor

Many students call him an inspiring, fun mentor who makes math click
A sizable minority say he is rude, dismissive, and leaves learning to the book
and success requires prep, notes, and steady studying

Key questions

Four answers before you build your schedule.

Is this an easy A?

FairEffort

55/100

A is possible with strong notes and studying, but the class is not free and several students found it hard without self-work.

Is the course easy?

Standard

50/100

Math content is manageable with prep from prior and teaching hands-off.

Is attendance flexible?

Mandatory

20/100

Students report and you must attend to keep up.

Is this professor recommended?

WorthIt

62/100

as caring and transformative in math, but a .

Course guide

See how this professor fits your week.

Grading

Fair

55/100

Grades track effort on projects, quizzes, homework, and .

Format shift

Workload

Moderate

45/100

Students , and three to four exams that require steady study.

Format shift

Teaching experience

Good

58/100

Many praise patient mentoring and humor that makes math fun, while others say he is rude and leaves learning to the book.

Format shift

Assessment method

Balanced

55/100

, and multiple exams.

Format shift

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

13 reviews

High confidence · Best fit for Effort For Reward

All reviews are in person and split between mentor-level praise and complaints about rudeness and minimal direct teaching.

Main concern

Some students feel mocked or told to figure it out from the book instead of getting direct help.

What students said

“ ! He truly wanted every one of his students to succeed.”
MATH20A

“Truly one of the . He was rude and had a horrible sence of humor.”
MATH20A

“ . do the work, ask questions, study, and you will do fine!”
MATH20B

Remote format

Online

0 reviews

Low confidence

No stored summary is available for this format.

Main concern

No main concern is stored for this format.

Exam style

Know what to expect from exams and major assignments.

Courses use several exams plus quizzes and in reviews.

Multiple ExamsOnline QuizzesHomeworkProjects

Assessment risk

Standard

50/100

Low score means less forgiving assessment conditions.

In person

, online quizzes, homework, and projects.

Three to Four ExamsOnline QuizzesHomeworkProjects

“ and enjoyable, online quizzes and homework, and .”
MATH20B

Online

Student evidence

See what students actually said.

Top student voice
“ ! He truly wanted every one of his students to succeed. and willing to help.”
Voice snapshots generated from 13 in-person , and workload themes. Credibility rating: Medium.

🎯 Teaching Quality Split

58/100

“I have never had a more fun or helpful professor than Mr. S!”

⚠️ Hands-Off Style Risk

30/100

“He doesnt teach much, he leaves that to you and your book.”

📅

20/100

“ . do the work, ask questions, study, and you will do fine!”

Theme 1

👨‍🏫 About Teaching Style

encourages group learning and interaction
He usually teaches high school/middle school math so he is very good at breaking the subject down
His teaching method is to let you figure it out.

Theme 2

📈 About Difficulty and Grades

His class was not easy, but with excellent notes and lots of studying, it does not have to be a difficult course.
do the work, ask questions, study, and you will do fine!
.

Theme 3

❤️ About Character

I actually look up to him as a mentor.
He was rude and had a horrible sence of humor.
His sense of humor makes for a very enjoyable class!

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

Lifetime ratings

68/100

Evidence confidence

Thirteen detailed in-person reviews from 2010-2014 show consistent themes but opinions are polarized and grades are sparse.

Inside 13 stored ratings

Quality ratings

5 out of 57

4 out of 51

3 out of 51

2 out of 54

1 out of 50

Course coverage

MATH20A7 reviews

MATH20B2 reviews

A63171 review

MATH201 review

MATH2011 review

Show 1 more courses

MATH61231 review

Reported outcomes

A range results lead the reported letter grades.

2 reported outcomes

A range

A- 1

B range

B 1

C range

No reported values

D range

No reported values

F

No reported values

No letter grade reported

No reported values

John Sullivan

x x if you want a mentor who pushes group learning and humor, but x x x x and attend every class.

Four answers before you build your schedule.

FairEffort

Standard

Mandatory

WorthIt

See how this professor fits your week.

Compare the in-person and online experience.

Know what to expect from exams and major assignments.

In person

Online

See what students actually said.

🎯 Teaching Quality Split

⚠️ Hands-Off Style Risk

📅 x x

👨‍🏫 About Teaching Style

📈 About Difficulty and Grades

❤️ About Character

See exactly what the AI read.

Quality ratings

Course coverage

A range results lead the reported letter grades.

A range

B range

C range

D range

F

No letter grade reported

if you want a mentor who pushes group learning and humor, but and attend every class.

📅