AI Rate Professor

Chemistry

Errol Mathias

CHEM51 · CHEM22 · CHEM022 · CHEM1A · 15 lifetime ratings

AI rating
86/100
RMP rating
4.3/5
Take again
83.33%
Difficulty
3.1

The decision

if you want a and will show up and practice consistently.

Best fit · Effort For RewardCaring Chem ProfessorClear LecturesExtra CreditLots of HomeworkNot an Easy A
  • student success
  • Passing is realistic with , and practice, but not free
  • Expect , and department-level rigor

Key questions

Four answers before you build your schedule.

Is this an easy A?

FairEffort

54/100

He offers and help, but students stress this is not an easy A and grades cluster around B.

.

Is the course easy?

Standard

44/100

Chemistry content is substantial; lectures help, but the class is not a walk in the park.

All course-easiness comments are in-person.

Is attendance flexible?

Mandatory

28/100

and tags like skip class you will not pass appear repeatedly.

.

Is this professor recommended?

WorthIt

84/100

and care, tempered by a few tough or error-related complaints.

.

Course guide

See how this professor fits your week.

Grading

Lenient

68/100

Often gives and when the class struggles, though one Tough Grader tag and key errors exist.

Format shift

.

Workload

Heavy

38/100

Lots of , and exams keep the weekly load high.

Format shift

Workload .

Teaching experience

Good

82/100

and caring; a minority cite accent, rudeness, or answer-key mistakes.

Format shift

.

Assessment method

FocusOnExams

68/100

Exams, quizzes, and .

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

15 reviews

High confidence · Best fit for Effort For Reward

In-person students largely call him patient and and solid help, plus occasional frustration about grading errors or toughness.

Main concern

and rare reports of incorrect or rudeness.

What students said

“He WANTS you to succeed. ”
CHEM22
“study his powerpoints and you will be fine”
CHEM1A
“easy professor, except it's really frustrating when you get the correct answer on the quizzes/exams but he has chosen the wrong answer”
CHEM51

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.

Exams are frequent and department-aligned; he clarifies structure but difficulty remains real.

Multiple ExamsLots of QuizzesClear Exam FocusDepartment Exams

Assessment risk

Standard

48/100

Low score means less forgiving assessment conditions.

In person

and exams are common; but problems can still be hard.

Test HeavyQuiz HeavyExam Structure Shared
“Not an easy A but he is willing to his part. LOTS of quizzes”
CHEM22
“He will tell you the structure of his tests”
CHEM1A

Online

Student evidence

See what students actually said.

Top student voice

“He is the most amazing professor I have ever taken... He WANTS you to succeed. ”

Voice snapshots generated from 15 in-person reviews, highlighting care, rigor, and workload. Credibility rating: Medium.

❤️ Caring Support

86/100

“Professor Mathias is truly a gem and very caring professor.”

🎯 Lecture Quality

82/100

“ and done very well so you understand.”

📈 Effort Required

54/100

“Definitely not a walk in the park. .”

👍 Recommendation

84/100

“ !”

Theme 1

👨‍🏫 About Teaching Style

  • Honestly the !
  • He genuinely loves his job and has a passion for teaching

Theme 2

📈 About Difficulty & Grades

  • Do the work and you will pass.
  • He gave a lot of because everyone in the class was STRUGGLING.
  • Sometimes he'd give us if the class as a whole didn't do well

Theme 3

⚠️

  • you KNOW the right answer but it's showing up as incorrect
  • also super rude
  • His accent made it a bit hard to understand him

Data context

See exactly what the AI read.

Analysis sample

15

Recent reviews read by the AI

15

Lifetime ratings

72/100

Evidence confidence

15 detailed in-person reviews from 2014-2024 are mostly consistent, with one sharp recent negative.

Inside 15 stored ratings

Quality ratings

5 out of 58
4 out of 55
3 out of 51
2 out of 50
1 out of 51

Course coverage

CHEM1A5 reviews
CHEM225 reviews
CHEM0222 reviews
CHEM512 reviews
60001 review

Reported outcomes

B range results lead the reported letter grades.

14 reported outcomes

A range

3

A+ 1 · A 2

B range

7

B+ 3 · B 4

C range

2

C+ 1 · C 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

2

Not sure yet 2