Garrett Whelan

CS31 · COSN5 · CS51 · COS270 · COSN10 · COSS270 · 37 lifetime ratings

AI rating: 24/100
RMP rating: 1.9/5
Take again: 20.59%
Difficulty: 3.6

The decision

Avoid if you have any other option; only self-directed students .

Best fit · Self Taught ProScript or AI code gradingDisorganized course deliveryMissed office hoursHeavy 1-unit workloadLow take-again rate

Most students describe disorganization, weak interpersonal support, and unavailable office hours.
Code often graded by scripts with zero-or-full marks for syntax or .
A and pass with As, but the if another section exists.

Key questions

Four answers before you build your schedule.

Is this an easy A?

FairEffort

55/100

Many still report As, sometimes with resubmit chances, but script zeros and and error-sensitive.

; in-person grades still come with high frustration.

Is the course easy?

Challenging

35/100

, and heavy weekly work make the material and pace hard for many beginners.

Both formats feel demanding; networking Testout .

Is attendance flexible?

Varies

40/100

and pop quizzes while others are asynchronous or .

In-person and ; pure online often does not.

Is this professor recommended?

Avoid

21/100

Take-again sits near 21 percent with and accusations of fake positive self-ratings.

Negative consensus is strong in both formats; a .

Course guide

See how this professor fits your week.

Grading

Harsh

28/100

, and little human review make grading feel punitive.

Format shift

Online auto-grading complaints are the sharpest; .

Workload

Heavy

30/100

Students slam 1-unit courses for multi-assignment weeks, discussions, research, and timed quizzes.

Format shift

Online 1-unit COS270 especially overloaded; .

Teaching experience

Poor

22/100

Knowledge is acknowledged, but phone-it-in lectures, no-shows for office hours, and .

Format shift

A few online students like modules; the majority of both formats rate teaching poorly.

Assessment method

FocusOnAssignments

35/100

, and weekly homework outweigh classic sit-down finals in the comments.

Format shift

Online leans scripted code and quizzes; .

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

19 reviews

High confidence · Best fit for Hardcore Learner

In-person students often call lectures pointless slide-reading, note missed office hours, and say he is smart but unprofessional or .

Main concern

Poor communication and support despite subject knowledge.

What students said

“ , and lacking in interpersonal skills.”
COS270

“He did not show up for his office hours, repeatly.”
cs31

“Genuinely If you can't keep up with this professor's curriculum you should probably look for a different major.”
COSN10

Remote format

Online

18 reviews

High confidence · Best fit for Self Taught Pro

Online CS and networking sections draw heavy criticism for , and overloaded 1-unit homework.

Main concern

and thin support when stuck.

What students said

“This professor doesn't grade your code; he uses a script! You can get a 0 just because of a misspell!”
cs31

“This professor uses some type of AI to grade your code and doesn't bother to review it himself.”
COS270

“UNBELIEVABLE amount of homework for a 1-unit class.”
COSS270

Exam style

Know what to expect from exams and major assignments.

Assessment risk centers on automated code checks and short timed quizzes rather than student-friendly open formats.

Script-based code gradingTimed short quizzesPop quizzesResubmit after zeroNo clear open-book policy

Assessment risk

Strict

35/100

Low score means less forgiving assessment conditions.

In person

In-person students mention short quiz windows before lecture and .

10-minute quizzesAssignment-heavy gradingPop quiz risk

“he makes us takes quizzes for only 10 mins(Considering if you're late, you don't get extra time) and only then he discusses the .”
COSN10

Online

Online code is evaluated by scripts or AI-like graders for full credit or zero, sometimes with fix-and-resubmit; quizzes can be only 7-10 minutes.

Script gradingZero or full marksResubmit allowedTimed quizzes

“He uses a script to evaluate the code submitted, and your syntax must be correct, and you must follow the . the grade is either full marks or zero with ability to correct mistakes and resubmit.”
cs31

“The tests are timed, 7 minutes or 10 minutes on some.”
COSN10

Student evidence

See what students actually said.

Top student voice
“If you can find a .”
Voice snapshots generated from 37 CS and networking reviews with a dominant , and support. Credibility rating: High.

🤖

20/100

“This professor doesn't grade your code; he uses a script! You can get a 0 just because of a misspell!”

🚫 Support and Office Hours

15/100

“He is unreliable [did not show up for his office hours] and could not .”

📦 Workload vs Units

25/100

“UNBELIEVABLE amount of homework for a 1-unit class.”

Theme 1

👨‍🏫 About Teaching Style

Lectures .
Very smart and articulate. Enjoys long orations.
His style of lecture is verbose and .

Theme 2

📈 About Difficulty & Grades

the grade is either full marks or zero with ability to correct mistakes and resubmit.
Lots of work for so few units.
if you put in the practice.

Theme 3

⚠️ About Trust and Support

He's also using AI to grade your code and doesn't bother to review it himself.
Adds his own ratings to this website to increase his score.
As far as support, you are on your own.

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

Lifetime ratings

86/100

Evidence confidence

Thirty-seven reviews with a large quality-1 cluster, multi-year span, and highly consistent complaints about organization and support.

Inside 37 stored ratings

Quality ratings

5 out of 54

4 out of 55

3 out of 50

2 out of 52

1 out of 526

Course coverage

COSN1012 reviews

cs319 reviews

COS2708 reviews

CS515 reviews

COSS2702 reviews

Show 1 more courses

COSN51 review

Reported outcomes

A range results lead the reported letter grades.

34 reported outcomes

A range

A+ 2 · A 18 · A- 3

B range

B+ 2 · B 1 · B- 1

C range

C+ 1 · C 1

D range

No reported values

F

No reported values

No letter grade reported

Audit/No Grade 1 · Drop/Withdrawal 3 · Not sure yet 1

Garrett Whelan

Avoid if you have any other option; only self-directed students x x x x x x x x.

Four answers before you build your schedule.

FairEffort

Challenging

Varies

Avoid

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.

🤖 x x x

🚫 Support and Office Hours

📦 Workload vs Units

👨‍🏫 About Teaching Style

📈 About Difficulty & Grades

⚠️ About Trust and Support

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

Avoid if you have any other option; only self-directed students .

🤖