Jan Goerrissen

BIO100ANDLAB · BIO100 · A100 · BIOLA100 · BIOL100 · 163 lifetime ratings

AI rating: 44/100
RMP rating: 3.6/5
Take again: 55.34%
Difficulty: 3.0

The decision

if you need the section and can tolerate a high-school-style enforcer with serious professionalism red flags; otherwise pick another bio professor.

Best fit · Effort For RewardExtra Credit LifelinePolarizing CharacterUnprofessional ConductTest HeavyCalls Out Students

Huge can salvage a B/C into a higher grade if you complete it all.
Many students report unprofessional behavior: barefoot teaching, public shaming for bathroom/phone use, and inappropriate comments toward female students.
Content is manageable for non-majors if you attend, study the guides, and ; .

Key questions

Four answers before you build your schedule.

Is this an easy A?

EasyA

76/100

Exams can average low, but large plus dropped lowest midterm let many students climb to A/B with and EC.

Almost all grade-path evidence is from in-person BIO100; .

Is the course easy?

Standard

52/100

Non-major bio is straightforward if you read and attend, but fast lectures and .

In-person students dominate difficulty comments; the two online reviews add little content detail.

Is attendance flexible?

Mandatory

12/100

locked when late, and he publicly calls out lateness, phones, and bathroom breaks.

; in-person reviews emphasize public call-outs.

Is this professor recommended?

Depends

48/100

Fans praise energy, office hours, and grade boosts, while a large share of reviews say run because of unprofessional and uncomfortable conduct.

Polarization is almost entirely from the large in-person sample; online is too small to shift the overall tone.

Course guide

See how this professor fits your week.

Grading

Lenient

68/100

near half a letter grade and difficulty suggests.

Format shift

EC and grade recovery comments .

Workload

Moderate

42/100

, and many EC tasks add steady work beyond lectures and exams.

Format shift

Workload .

Teaching experience

Average

48/100

Some call lectures fun and ; many others call him rude, distracting, and a poor classroom professional.

Format shift

Positive teaching praise and severe conduct complaints both cluster in in-person reviews.

Assessment method

FocusOnExams

78/100

and labs secondary and EC as a booster.

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

48 reviews

High confidence · Best fit for Effort For Reward

In-person BIO100/lab is lecture- and , and a sharp split between fans of his energy and critics of shaming, flirting, and barefoot antics.

Main concern

Repeated reports of public humiliation and inappropriate remarks toward women make the classroom climate a major risk.

What students said

“Easy A if you do the and get at least a B on the exams.”
BIO100ANDLAB

“So incredibly creepy to girls. He takes pride in textbook.”
BIO100

“He distracts/stops class to address/do going to the bathroom, insulting you, or his bare feet.”
BIO100

Remote format

Online

2 reviews

Low confidence · Best fit for Self Taught Pro

and high-school-like behavior; one student found the class learnable if engaged.

Main concern

Personality and classroom management issues still dominate the limited online comments.

What students said

“He always knows how to make fun of students he doesn't like, and always makes fun of them, he always brings personal matters into teaching.”
BIO100

“The class isn't too hard, just be prepared to deal with the occasional high school-esque behavior.”
BIO100

Exam style

Know what to expect from exams and major assignments.

Expect several timed exams aligned to lectures and homework, often hard averages, with study guides and .

Multiple midtermsLowest midterm droppedFinal not always cumulativeStudy guidesTest heavy

Assessment risk

Standard

48/100

Low score means less forgiving assessment conditions.

In person

and a final, lowest exam dropped, study guides provided, and .

4 midterms + finalLowest score droppedStudy guidesIn-person exams

“There are 4 midterms and 1 final exam. The lowest score is dropped.”
BIO100ANDLAB

“The class has 4 exams (the lowest is drop), 1 final, 100 pts for each.”
A100

Online

Online reviews .

Student evidence

See what students actually said.

Top student voice
“ enough! Very unprofessional and constantly stopping class to either humiliate students or hit on the girls in the class.”
Voice snapshots generated from 50 reviews (2 online, 48 in , and professionalism themes. Credibility rating: High.

🎯 Teaching Quality

48/100

“Honestly one of the hard on students he cares and pushes you to do better.”

⚠️ Classroom Climate

25/100

“On day one of the and sexual comments about using the safety shower, and throughout the semester made weird comments explicitly towards his female students.”

📈 Impact

76/100

“DO THE EXTRA CREDITS! They give you a big boost in your grade if you complete them all.”

👍 Recommendation Split

48/100

“Don't. Trust me, just don't.”

Theme 1

👨‍🏫 About Teaching Style

He goes too fast in lecture, and singles out students.
His lectures are great & his exams are tailored to what we cover in class.
He spends half of the lecture yelling at students rather than teaching.

Theme 2

📈 About Difficulty & Grades

Easy A if you do the and get at least a B on the exams.
and still passed with a B. Do the .
The average for exams was around 60%.

Theme 3

⚠️ About Professionalism

He is barefoot all the time, makes sexual comments towards female students.
He will call you out for going to pee which is embarassing.
goated.

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

163

Lifetime ratings

88/100

Evidence confidence

Fifty recent detailed reviews across several years show consistent , and professionalism disputes.

Inside 50 stored ratings

Quality ratings

5 out of 576

4 out of 533

3 out of 512

2 out of 511

1 out of 531

Course coverage

BIO10027 reviews

BIO100ANDLAB9 reviews

BIOL1007 reviews

A1005 reviews

BIOLA1002 reviews

Reported outcomes

A range results lead the reported letter grades.

43 reported outcomes

A range

A+ 2 · A 17 · A- 6

B range

B+ 5 · B 3 · B- 1

C range

C 3

D range

No reported values

F

F 1

No letter grade reported

Drop/Withdrawal 1 · Incomplete 1 · Not sure yet 2 · Rather not say 1

Jan Goerrissen

Only take if you need the section and can tolerate a high-school-style enforcer with serious professionalism red flags; otherwise pick another bio professor.

Four answers before you build your schedule.

EasyA

Standard

Mandatory

Depends

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

⚠️ Classroom Climate

📈 Extra Credit Impact

👍 Recommendation Split

👨‍🏫 About Teaching Style

📈 About Difficulty & Grades

⚠️ About Professionalism

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 need the section and can tolerate a high-school-style enforcer with serious professionalism red flags; otherwise pick another bio professor.

📈 Impact