2.1

Shohreh Rahbarnia

Chemistry - Crafton Hills College

2.1
Quality
4.6
Difficulty
29%
Would Retake
101
Reviews
2.1
Quality
4.6
Difficulty
2.2
Helpful
2.1
Clarity

29%

Would Retake

101

Reviews

Rating Distribution
Official

5

13

4

15

3

5

2

10

1

58

What Students Say

She goes through lectures and notes WAY to fast

CHEM101 - 1.0 rating

Literally the worst professor I have ever had

CHEM100 - 1.0 rating
Class Info

Online Classes

100%

Attendance Mandatory

82%

Textbook Required

0%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B-

95% confidence
Based on 58 grades
Most common grades:
A (15)
Drop/Withdrawal (11)
C (8)
Grade Distribution
A(18)B(14)C(9)D(19)F(5)A-/B+(4)
Based on 79 reported grades
A: 15
Drop/Withdrawal: 11
C: 8
B: 7
Common Tags
Skip class? You won't pass. (37)
Tough grader (36)
Test heavy (22)
Lots of homework (20)
Lecture heavy (20)
Tough Grader (19)
Get ready to read (12)
LOTS OF HOMEWORK (11)
Rating Trend

Declining

-0.66 avg change
Dec
Jan
May
Jul
Nov
Dec
Last 6 months
Ratings by Course

CHEM1O1

5.0

(1)

CHEMISTRY101

4.0

(1)

CHEM150

2.3

(18)

CHEM101

2.2

(65)

CHEM100

1.8

(6)
+4 more courses
Difficulty by Course

CHEM151

5.0

CHEM10106

5.0

CHEM102

5.0

CHEM100

4.7

CHEM101

4.6

Reviews (101)
3.0
5.0
CHEM101
Grade: C
Jan 13, 2016

This class was really hard for me. Lectures are very long and full of information, and I always felt one step behind in everything. Quizes every lab day from the previous lecture- were always hard and showed me how behind I really was- I thought i did well on some but didn't. Tests are hard I would get a D even with studying! Final was so hard!

1.0
5.0
CHEM101
Grade: D
Jan 22, 2016

This was the toughest class I've ever taken. She would cram a lot of information into a 50 minute class and would move onto the next slide even though we were not done writing it down. The tests are tough and she doesn't give you half credit even if you got it half right. We would ask her for help on the pre-labs and she would say we should know it

5.0
4.0
CHEM101
Apr 19, 2016

Attend class, do the work and follow directions and you will get an A. This is not a class to procrastinate.

3.0
5.0
CHEM100
May 22, 2016

This class was the hardest class I have ever experienced. She goes so fast during lectures. I counldn't write as fast as she went. She is a tough grader and doesn't give much partial credit. Overall this class was hard, stressful, and I would not recommend to take her if you are completely new to the subject of chemistry.

3.0
5.0
CHEM150
Grade: Rather not say
May 23, 2016

Chem 150 with this professor was so confusing and hard. If you work and have other classes it'll be hard to get a good grade. She goes way too fast in her slides and its just too fast paced to obtain and remember all the information thrown at you. She doesn't allow notecards on the test or the final which makes everything based off solely on memory

1.0
5.0
CHEM101
May 23, 2016

After spending 16 WASTED weeks of my life, I can tell you that I learned NOTHING! Even with outside help this class is impossible and it's an entry level chem class. This professor only cares about getting through the slides, and doesn't care if you understand the material. She is not helpful and gets frustrated easily. Do not take her.

1.0
5.0
CHEM150
Grade: A-
Jun 1, 2016
Wouldn't take again

Rahbarnia's an extremely tough grader and doesn't give partial credit. Honestly, I didn't attend every lecture. But it was because the lectures I did attend felt like a frustrating waste of time. Her only focus is to get through her slides which are not helpful. I had to read the textbook. And don't try asking her questions because it won't help.

1.0
5.0
CHEM101
Grade: B
Jul 2, 2016
Wouldn't take again

VERY fast paced. Teaches Intro like a 150 class. Passed because I went to tutoring every day for 2 extra hours min and utilized EVERY opportunity. Content is dense, teacher does not give room for mistake. The most stressful course I've ever taken. Results may leave you discouraged and unmotivated. Exams are heavily weighted and difficult.

1.0
5.0
CHEM101
Grade: F
Jul 17, 2016
Wouldn't take again

I have NEVER taken a course this hard. She goes through the slides too quickly. She posts slides that are half filled in so you have to fill in the rest as she's lecturing which is touch when she goes too quickly. This class made me feel so dumb. Save yourself the stress and take someone else.

1.0
5.0
CHEM101
Grade: F
Aug 14, 2016
Wouldn't take again

Take anyone but her. She goes through the slides too quickly for anyone to comprehend what she is talking about and she even does the math too quickly. Sh teaches this like it's a 150 class. Never again, you've been warned.

Tough Grader
Get ready to read
LOTS OF HOMEWORK
1.0
3.0
CHEM150
Aug 26, 2016
Wouldn't take again

Shohreh is extremely unnaproachable and acts like you are bothering her when you ask for help or clarification. I don't have a problem with the level of difficulty - It is college! But when so many people say that they are afraid to ask the teacher a question because she likes to make you feel stupid, then that is not ok.

1.0
5.0
CHEM101
Sep 24, 2016
Wouldn't take again

Hardest class I have ever taken. She goes way to fast, gives no partial credit, and teaches as if you have taken chemistry before. Take someone else and save yourself the stress!!!

Tough Grader
Skip class? You won't pass.
TEST HEAVY
4.0
4.0
CHEM101
Grade: A
Nov 9, 2016
Would take again

Don't miss classes and you will do good. She goes fast but she cares about her students she wants her students to learn you have to work a lot by yourself to understand I like to be challenged and I don't mind taking her class again. If you are lazy don't choose this teacher

Tough Grader
Get ready to read
LOTS OF HOMEWORK
1.0
5.0
CHEM100
Grade: Not sure yet
Dec 1, 2016
Wouldn't take again

The issue i have is that she cares more about getting through her slide show than if you understand her. She is an orator, not a TEACHER. She teaches at her own level of understanding, not caring much if YOU cant follow or remember material. The only people who will succeed are those who are taking one class more, or school is life .

Tough Grader
LOTS OF HOMEWORK
TEST HEAVY
4.0
3.0
CHEM100
Grade: A-
Dec 1, 2016
Would take again

Great teacher. She repeats & pauses during lecture when you ask her & is always willing to answer questions. She gives you a second chance to get points on all exercises(which is cool). She also encourages students to email her about questions, see her during office hrs, & check out the tutoring center. Dont skip class, and youll be fine

Gives good feedback
Skip class? You won't pass.
5.0
4.0
CHEM101
Grade: A
Dec 3, 2016
Would take again

She is amazing, & she is passionate about chemistry. She goes a little fast in lecture because there is so much content to cover(you will be prepared for the next level). She is available, so much so, it is ridiculous. She even answers email quickly (evenings and weekends). Read the text (best before lecture)& tests are on material covered.

Respected
ACCESSIBLE OUTSIDE CLASS
Caring
5.0
3.0
CHEM101
Grade: Not sure yet
Dec 9, 2016
Would take again

I'll be honest I was terrified after reading her reviews, but I really have enjoyed the class. She does go quickly, but if you pay attention ask questions, DO ALL THE EXTRA CREDIT (WHY NOT IT'S FREE POINTS), Do your homework, show up to the labs. You may find it difficult to fail! This lady is passionate and she is funny. I really enjoyed her class

Skip class? You won't pass.
ACCESSIBLE OUTSIDE CLASS
EXTRA CREDIT
5.0
3.0
CHEM101
Grade: A
Jan 3, 2017
Would take again

She is an excellent teacher if you aren't looking for an easy A. Chemistry is a difficult subject for many students, but she explains the material very clearly and answers questions in detail. She also provides homework and pre-lab help over email, which was great for me since I get nervous asking questions in front of the class. Great professor!

Skip class? You won't pass.
LOTS OF HOMEWORK
EXTRA CREDIT
2.0
5.0
CHEM101
Jan 25, 2017
Wouldn't take again

Dr rahbarnia could be an amazing professor if she would slow down a little. she's always rushing through her slides & often jumbles up her words. She would also be amazing if she would actually help her students when asked as opposed to yelling at them and making them feel stupid. I was scared to ask questions and I believe that is why I failed!

Tough Grader
Get ready to read
TEST HEAVY
1.0
5.0
CHEM100
Grade: D
Feb 2, 2017
Wouldn't take again

Literally the worst professor I have ever had. She is is completely unapproachable and rude. She speaks down to students who ask questions. I attended every single lab and lecture, went to the tutoring center, had study groups, and even tried talking to her. Her response was, "Your whole class is failing, I don't know what to tell any of you."

Tough Grader
Skip class? You won't pass.
1.0
5.0
CHEM101
Grade: D-
Feb 5, 2017
Wouldn't take again

Here's the thing: if you're good at science and only have to be shown once how to solve a problem then you should take her but if you're like me and need explanation and examples then DO NOT take her. She rushes through power points and makes you feel inadequate if you don't understand. Take Spencer, that's what I'm doing.

Tough Grader
Get ready to read
Skip class? You won't pass.
2.0
5.0
CHEM101
Mar 5, 2017
Wouldn't take again

If you accidentally skip a step in a lab experiment, you WILL get yelled at. There's only a finite amount of time to do the labs, so of course we're in a hurry and might make mistakes. Nobody deserves to be humiliated for messing up the first time. She yells at you even if you're not arguing with her. It can be pretty demoralizing.

Tough Grader
EXTRA CREDIT
LECTURE HEAVY
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Apr 11, 2017
Wouldn't take again

I had to drop this class because there was no way I was going to pass. I studied, went to tutoring and did the homework but the tests are like a 150 class not intro. She teaches like you already know chemistry. Her notes are not helpful either because she goes too fast.

Tough Grader
Skip class? You won't pass.
LOTS OF HOMEWORK
1.0
5.0
CHEM101
Apr 19, 2017
Wouldn't take again

All she cares about is going over her slides. She does not care about making sure everyone in the class understands the lecture. I did everything that I could to pass this class and it was nearly impossible. I have never failed a class in my life and I am very sad to say that this is my first. She gets really irritated with us a lot with questions

Participation matters
Skip class? You won't pass.
LOTS OF HOMEWORK
5.0
4.0
CHEM101
Grade: B-
May 12, 2017
Would take again

If you failed this class,, you did NOT do what you needed to do. there is so much extra credit, Nobody cares about how hard your life is outside of your qualifications to move to the next level. If you need to know chemistry, you probably better take Rahbarnia, if you are looking for a participation trophy, you better take a different instructor.

Participation matters
Skip class? You won't pass.
LOTS OF HOMEWORK
3.0
4.0
CHEM150
May 21, 2017
Would take again

Tell her to slow down if she begins to rush through her slides She doesn't always understand that the material is difficult and needs to be approached slowly

Get ready to read
LOTS OF HOMEWORK
GRADED BY FEW THINGS
1.0
5.0
CHEM150
Grade: Rather not say
May 23, 2017
Wouldn't take again

I don't recommend her. She teacher really fast and her reviews are good but when it comes ton exams the questions are worded so differently its like you didn't study for anything on the exams. She is super specific on grading really picky. If you like a quick teacher, I recommend her but if you want a slower paced class don't recommend.

Tough Grader
TEST HEAVY
LECTURE HEAVY
4.0
4.0
CHEM101
Grade: C
Jun 8, 2017
Would take again

I think she is a good teacher. She is pretty fast paced but to understand the material you have to study on your own. The test are difficult but fair and if you take advantage of the extra credit and complete all other work, you'll pass the class. If you are a student that applies yourself and actually comes to class she's happy to answer questions

Participation matters
Skip class? You won't pass.
EXTRA CREDIT
4.0
5.0
CHEM101
Grade: A
Jul 19, 2017
Would take again

Great instructor telling you what you need to know. Do NOT miss her lectures, otherwise you will be very lost. She can be tough, and is checks for all mistakes and grades hard, but prepares you very well, and helps you understand very well. Her exams are tough, but she gives a question bank (similar questions) which can be on the exams.

Tough Grader
Skip class? You won't pass.
TEST HEAVY
5.0
4.0
CHEM101
Grade: A+
Oct 5, 2017
Would take again

Great professor. You have to actually learn the material, theres no sliding by with her. Must go to lecture or you'll fail. Show up, pay attention, ask questions. It's your choice if you want to learn and pass. She is fast paced but passionate about chem. She only gets annoyed if she knows your a student who doesnt show up or participate or try.

Tough Grader
Participation matters
Skip class? You won't pass.
1.0
5.0
CHEM101
Grade: F
Dec 4, 2017
Wouldn't take again

Worst professor i've ever had. She has no patience to teacher really feels like she doesn't want you todo well. She HATES repeating herself and does not like to be interrupted during lecture for questions. Save your GPA and DO NOT TAKE HER!!

Tough Grader
Get ready to read
Skip class? You won't pass.
5.0
4.0
CHEM101
Grade: A
Dec 14, 2017
Would take again

I loved her class. She was really clear during lecture and provides us slides on each chapter she is lecturing on She is willing to help during her office hours. Syllabus was clear. She is very professional. I am glad I didn't read the reviews here before taking her. She was a great teacher and gives extra credit everyone has a chance to pass.

Gives good feedback
ACCESSIBLE OUTSIDE CLASS
Clear grading criteria
2.0
5.0
CHEM101
Grade: C
Dec 24, 2017
Wouldn't take again

Difficult teacher. Is great for those who have taken chem before and have a little bit of knowledge. She has no patience and gets irritated when you ask "stupid" questions. Also I have seen her turn away students and tell them to go figure out the problem when they asked for some assistance on the lab work. I don't recommend her.

Tough Grader
TEST HEAVY
Tests are tough
5.0
5.0
CHEM150
Grade: A
Jan 3, 2018
Would take again

This is a hard class-a five unit class-and therefore requires time; do the homework and study for tests and quizzes. Dr. Rahbarnia lets you know what you need to do to pass, she makes herself available to those who reach out and she cares about her students. Tests are hard, read the chapters and study more than the study guides!

Skip class? You won't pass.
ACCESSIBLE OUTSIDE CLASS
Caring
2.0
4.0
CHEM150
Grade: B
Jan 4, 2018
Wouldn't take again

She means well, but she is unaware of how heavy the material gets and therefore, goes at a faster pace. Her tests were about 75% of what she covered in her study guides, and the final takes all of the three hours and then some. If you decide to take her, be very prepared.

Tough Grader
Tests are tough
LECTURE HEAVY
4.0
4.0
CHEM101
Grade: A
Jan 8, 2018
Would take again

Chemistry in general is a tough course and if time and effort is not put into it you will not succeed, tutoring helps. Dr. Rahbarnia makes herself available through email, which she answers quite quickly, as well as office apts. There's a lot of extra credit on homework, exams and final. Only way to fail course is by not studying. Ask questions!!!!

LOTS OF HOMEWORK
ACCESSIBLE OUTSIDE CLASS
EXTRA CREDIT
2.0
5.0
CHEM150
Grade: C
Feb 2, 2018
Wouldn't take again

She has a PowerPoint for each chapter you go through and they are usually around 80 slides each. She goes through these VERY VERY fast and its impossible to get everything. Tests are very difficult and she is a stern grader. She is crazy about dog figs and makes you memorize a huge list of molecules. I would definitely recommend looking elsewhere.

Tough Grader
Skip class? You won't pass.
LECTURE HEAVY
4.0
4.0
CHEM150
Grade: B-
Apr 19, 2018
Would take again

Dr. Rahbarnia is a boss. Many of these reviews are untrue, probably written by students who did not put in the time and effort necessary to truly understand chemistry after being given the necessary resources; the problem they have with Dr. Rahbarnia is that the grade you earn is very much based on thorough understanding, which you can get via work

Skip class? You won't pass.
LECTURE HEAVY
4.0
4.0
CHEMISTRY101
Grade: A
Apr 20, 2018
Would take again

I learned a lot in her class. You need to study hard in her class. Her tests are straightforward no tricky questions. You have to attend all the lectures to understand the material. She is a tough grader. If you are lazy and don't like to study hard then don't take her class.

Tough Grader
Respected
4.0
4.0
CHEM101
Grade: A
May 25, 2018
Would take again

Just manage your time properly and do the homework and you'll have a good time. Just study the slides and you should be good for the tests. She gives so much extra credit that your only excuse will be that you were just too lazy to utilize the freebies. If you're self-motivated you'll succeed, if not then maybe it's just not the right timing.

Get ready to read
GRADED BY FEW THINGS
EXTRA CREDIT
5.0
4.0
CHEM101
Grade: A
May 29, 2018
Would take again

To pass this class you need to put at least some effort to learn the material and you need to know how to manage your time. The professor was wonderfull, she offered so much extra credit and you could always email her about the homework. She even went over exactly what would be on the test sometimes. So glad I took her.

Skip class? You won't pass.
LOTS OF HOMEWORK
EXTRA CREDIT
1.0
3.0
CHEM101
Grade: Rather not say
Aug 14, 2018
Wouldn't take again

All I can say is this professor loves chemistry but I can't say the same for teaching. She seems the best when going through her many slides, but when it comes to asking her a question or assistance, she makes you feel stupid for even asking her in the first place. She's unapproachable and will definitely yell at you in front of the class.

Skip class? You won't pass.
LOTS OF HOMEWORK
LECTURE HEAVY
1.0
5.0
CHEM101
Dec 5, 2018
Wouldn't take again

Professor doesnt answer questions but instead makes you feel stupid. She goes through lectures and notes WAY to fast. Gives one example and expects you to know it right off the back. Expects students to memorize to much information and calculations. Overall her class is NOT worth the time, money, or stress. I do NOT recommend.

Tough Grader
Skip class? You won't pass.
TEST HEAVY
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Feb 11, 2019
Wouldn't take again

She knows her stuff, but teaches as if you were a chemistry PROFESSOR, not a student. She goes through the slides too quick& assumes everyone understands. Doesn't like questions being asked & likes to tell at students. Made a girl cry in the lab for a simple mistake. I tried hard & studied hard. Never missed class. Took good notes & still dropped.

Tough Grader
Skip class? You won't pass.
TEST HEAVY
2.0
5.0
CHEM101
May 8, 2019
Wouldn't take again

She loves chemistry and is funny. But when it comes to teaching she isn't very gifted in that area. I feel as if the class is lost most of the time. She goes through everything very quick and expects you to understand right away. She is a very tough grader and cares a lot about sig figs.

Lots of homework
Test heavy
Lecture heavy
1.0
5.0
CHEM101
Grade: D
May 24, 2019
Wouldn't take again

I don't recommend this professor at all. She goes through lectures insanely fast, barely giving students the time to write. Her exams were challenging & she's a tough grader. I only saw my grade three times throughout the semester. She's a nice person, just not a nice professor. I took Chem 101 the next semester with another professor & got an A.

Test heavy
Lecture heavy
Tough grader
5.0
4.0
CHEM101
Grade: A
May 30, 2019
Would take again

This subject is really hard, and she does the best that she can with the time shes given. But, you have to put in the effort to learn the material at home as well. Chemistry is not a class where you can depend solely on the lectures. You have to try to learn it for yourself as well. Shes a bit sarcastic, but shes a great professor.

Accessible outside class
Skip class? You won't pass.
Lecture heavy
3.0
4.0
CHEM101
Grade: B-
Jun 7, 2019
Wouldn't take again

The only reason I put down to not take another course with Rahbarnia is that the test are weighed to high. It is possible to pass this course, but it takes a lot of studying. She is really tough I have seen her yell at people and make them cry. Yet it is not her job to be a friend, so if you have to take a course with her just study really hard.

Get ready to read
Skip class? You won't pass.
Test heavy
4.0
3.0
CHEM101
Grade: B+
Jun 8, 2019
Would take again

Dr. Rahbarnia is a good professor. She does move fast in lectures but she is very understanding if you need her to go back and explain it more in depth. She also cares about her students, which a big thing that you don't see often. She wants us to succeed in this class and she does everything she can to help: Extra credit, test corrections,feedback

Skip class? You won't pass.
Caring
EXTRA CREDIT
4.0
5.0
CHEM101
Jun 10, 2019
Would take again

Rahbarnia is a good chemistry teacher, do your work, try and show up for class. You will do fine. Chemistry is hard, but she is helpful and informative if you arent rude and whiny. Accept that its hard, try your best. Tests are straightforward, and homework is online and time consuming. You will learn a lot of nomenclature. I earned an A.

Lots of homework
Clear grading criteria
Skip class? You won't pass.
1.0
5.0
CHEM101
Grade: D
Jun 18, 2019
Wouldn't take again

I would not recommend this professor. I had an A in homework and labs and rarely skipped class but she tests very hard and grades everyone differently. Even when I would stay and ask for help, she made it seem like an inconvenience. I took a chem class with another professor the next semester and passed with an A.

Lots of homework
Test heavy
Tough grader
2.0
5.0
CHEM101
Grade: B-
Nov 11, 2019
Wouldn't take again

She seemed promising to begin with, but her expectations seem to be too high when she does not even cover material well. She's so confusing since she moves so fast, I've learned way more being in the tutoring center for 30 mins, than what she teaches in her hour lecture. Don't take this course unless you already have decent knowledge of chemistry.

Lots of homework
Test heavy
Tough grader
5.0
3.0
CHEM101
Grade: A
Dec 24, 2019
Would take again

Really great professor. She is a bit sarcastic, but that's just her personality. She is a really good professor though and explains things well.

Gives good feedback
Lots of homework
Skip class? You won't pass.
1.0
4.0
CHEM15010
Grade: B
Apr 24, 2020
Wouldn't take again

This professor's at the very least extremely knowledgeable. However, she is equally abrasive and unwilling to compromise on her teaching methods. BE PREPARED TO TEACH YOURSELF. By far the worst professor I've had thus far. I'm a chemistry major so I haven't dropped but I am getting nothing from this class or professor. Stay away if at all possible

Skip class? You won't pass.
Tough grader
1.0
4.0
CHEM150
Grade: A
Apr 29, 2020
Wouldn't take again

If I could go back and do it all again I would of steered clear of this class despite my A. in fact this is the one class I wish I had not been a part of despite receiving lower marks in other courses.

Get ready to read
Skip class? You won't pass.
Tough grader
1.0
5.0
CHEM151
Grade: C
Apr 30, 2020
Wouldn't take again

Inflexible, tough grader, poor lecturer, abrasive, hostile. If these are traits look for in a professor I highly recommend professor Rahbarnia. If not, stay away if at all possible.

Get ready to read
Tough grader
4.0
4.0
CHEM101
Grade: A+
Jul 4, 2020
Would take again

Chemistry is going to be hard. However, Rabharnia laid out all of the information that we needed to be able to pass and warned us ahead of time when and what was due. Also, she gave lots of opportunities for extra credit. I definitely would advise the test corrections. She does talk pretty fast but also posts partials of the PPs online .

Lots of homework
Skip class? You won't pass.
Tough grader
5.0
4.0
CHEM1O1
Grade: A+
Oct 1, 2020
Would take again

Dr. Rahbarnia knows her material and will teach you everything you need to know. All her tests are based on lectures and will give a lot of practice. To study, she encourages to meet up with tutors. You need to be willing to learn and catch up with her because she has a lot to teach. If I can take her again, I will

Respected
Lots of homework
Clear grading criteria
1.0
4.0
CHEM101
Nov 8, 2020
Wouldn't take again

I can't grade her for an in class teacher, but with things being switched to online, she is not the best teacher to learn from. Her testing and quizzes specifically are extremely stressful as she has mid test/quiz upload questions, so myself and many kids in the class feel stress to make sure we have enough time to even finish the test.

Lots of homework
Skip class? You won't pass.
Test heavy
2.0
5.0
CHEM101
Nov 21, 2020
Wouldn't take again

Felt lost during every lecture call and lab. Lectures are hard to stay awake for. For an intro class, it was unnecessarily hard where it seemed as your own grade was against you. Your grade on canvas will NOT reflect what you have in the class as she grades differently. One quiz every week and 4 extremely hard exams. Homework is extremely long.

Tough grader
Test heavy
Lots of homework
1.0
5.0
CHEM101
Nov 21, 2020
Wouldn't take again

Super difficult class for anyone coming in with no chem knowledge. Cares too much about sigfigs and at times unprofessional. Belittles students for asking questions and will blame you for things you dont have control of. Quizzes and exams have upload questions which are very annoying as you have very little time. Lecturers DONT reflect exams.

Skip class? You won't pass.
Graded by few things
Test heavy
1.0
5.0
CHEM101
Grade: C
Dec 15, 2020
Wouldn't take again

Doesn't seem to understanding that her students haven't mastered chemistry like she has. Gets irritated when students don't understand the topics right away and moves extremely fast in lecture. Very tough grader and gives a lot of homework. Good at chemistry but not good at teaching it. Would not recommend at all, even if she was the last option.

Lots of homework
Test heavy
Tough grader
1.0
5.0
CHEM101
Dec 19, 2020
Wouldn't take again

Do yourself a favor and wait til' you get a better professor, because she implements Draconian rules. Doesn't have a problem humiliating students for not knowing something. No sense of humor at all. The kind of jokes where you just smile to be nice or cringe. Face MUST be present on camera at all times and have mic. Or she says to buy a new comp.

Tough grader
Skip class? You won't pass.
Get ready to read
1.0
5.0
CHEM101
Feb 9, 2021
Wouldn't take again

Ruthless and unforgiving. Has no problem making you look like a fool in front of everyone. God forbid you can't keep up in her class, or have technical difficulties due to no fault of your own. She gives no quarter and should you not do it her way, you get docked. Wish I never took her class and wasted the money on learning from her.

Skip class? You won't pass.
Tough grader
1.0
5.0
CHEM101
Feb 16, 2021
Wouldn't take again

I dropped this class taught by Dr. Rahbarnia 3 weeks after joining. She tells students to not be afraid to ask questions, but whenever you ask a question, she will get upset and will mock you in front of the class. DSPS students aren't treated with any respect either. Lectures are VERY fast and you are better off just reading in the book instead.

Get ready to read
Skip class? You won't pass.
Lecture heavy
1.0
5.0
CHEM101
Grade: D+
Apr 9, 2021
Wouldn't take again

Do not take this teacher. Please. For the sake of your own gpa and well-being, she will mentally break you down the whole semester and will not help you. This was the class I studied the hardest in and I never get bad grades, and sure enough I had to drop because I had a d in her class. Litteraly a rock can teach better than this lady. DO NOT DO IT

Lots of homework
Test heavy
Tough grader
1.0
5.0
CHEM101
Grade: C+
Apr 16, 2021
Wouldn't take again

This has been my worst class and the worst professor I have ever had. She is very condescending and makes you feel bad for asking her for a better understanding of topics. She is rude and goes too fast during lectures. I was always uncomfortable asking for help and when I did, she always had a smart remark. Try to find another professor if you can!

Test heavy
Lecture heavy
Tough grader
1.0
5.0
CHEM101
Grade: C
May 27, 2021
Wouldn't take again

I took Professor Rahbarnia Chem 101 class in the Spring 2021 term and it was the worst class I have ever taken. She is super rude and will make you feel stupid for asking questions. If you can please avoid taking her class because you will be teaching yourself.

Lots of homework
Skip class? You won't pass.
Tough grader
1.0
5.0
CHEM10106
Grade: Drop/Withdrawal
Jun 8, 2021
Wouldn't take again

The WORST professor I've ever taken. She waits till the last minute to put your grades in. She makes you feel stupid when you ask valid questions. And she doesn't want you to succeed. She admitted to one of the students that she made the 2nd exam extra hard so that she could "weed" out the students that were going to drop the class.

Lots of homework
Skip class? You won't pass.
Tough grader
1.0
5.0
CHEM101
Grade: D-
Jun 8, 2021
Wouldn't take again

Professor Rahbarnia is an awful professor. She zooms through the material way too fast, and invalidates you when you ask her questions.I took a summer Chem 101 class with a different professor and I got an A. She once suggested that a student should drop due to the student needing a week off because her cousin died, and she was getting surgery.

Skip class? You won't pass.
Lecture heavy
Tough grader
2.0
5.0
CHEM101
Jun 21, 2021
Wouldn't take again

She knows what she is doing but her exams are extremely hard! Even if you pay attention in class and do your assignments little things will bring down your grade ALOT. Taking this professor gave me depression of how stressful it was. I recommend to not take the class because you will fail

Tough grader
4.0
4.0
CHEM150
Grade: Not sure yet
Oct 16, 2021
Would take again

If you are pursuing a degree in Chem or Eng (I am a Chem Eng) I highly suggest taking this professor. If you work full time or part-time, are a college athlete I would say save her as your second choice. Labs twice a week, quizzes once a week (timed), homework every week. Make friends with O-Chem teach on youtube and Khan Academy.

Gives good feedback
Skip class? You won't pass.
EXTRA CREDIT
1.0
4.0
CHEM150
Dec 10, 2021
Wouldn't take again

I've never participated in "RATE MY PROFESSOR" but it had to be done. Looking for an education?(Premed) Her style of teaching will be in the way of that. Its her way or the highway. She is unforgiving, rude when asked questions, makes many mistakes and does not take responsibility, while if you make a mistake it's inexcusable and unacceptable.

Participation matters
Lecture heavy
Tough grader
1.0
5.0
CHEM101
Grade: Not sure yet
Sep 23, 2022

Very impatient and will same students for having questions.

1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Oct 21, 2022

This lady is easily the WORST human i've ever had in my entire life. She called me stupid and I reported her to the Dean and the head of the science dept. Even with the whole class as witnesses, Nothing happened. She continued to harass me until I dropped after she yelled in my face for no reason. This lady is a Narcissist and horrible at teaching.

1.0
5.0
CHEM101
Grade: F
Nov 22, 2022

She is the worst professor I have ever had. She will make fun of you, and call you stupid in front of the whole class. Don't take her class. She told me I had to figure out my private life after my family member passed away and couldn't make up any work. This was already toward the end of the semester.

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Nov 30, 2022

Awful, sorry excuse for a professor. She zooms through lectures, expects you to get a new concept after "explaining" it once and says,"We haven't gone over this but just read the instructions" when that is HER JOB. Shes rude, condescending, and will make you hate science. I had a private tutor and that STILL wasn't good enough. Avoid her class.

Tough grader
5.0
4.0
CHEM101
Grade: B
Dec 12, 2022
Would take again

very clear in requirements, she is fair. Chemistry is a hard subject if you put in the effort she will try to help. attend office hours.

Participation matters
EXTRA CREDIT
Clear grading criteria
1.0
5.0
CHEM101
Grade: A
Jul 19, 2023

I took this class in 2022, with a high A and I am still mortified by the way this class was ran. Now that Im in chem151 I realize it didn't have to be that way. She was belittling and mean spirited to students. She caused me so much stress. I feel bad because I think she liked me, I was good student but I think she was way rougher than necessary.

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM15010
Grade: Drop/Withdrawal
Jan 16, 2024

Disgruntled divorcee taking it out on the student. Beware and avoid at all cost!

Beware of pop quizzes
Lecture heavy
Test heavy
2.0
5.0
CHEM150
Grade: B-
Mar 7, 2024

Had anxiety every day before class so scared to mess up. I messed up on the notebook for lab and she gave me nd my lab partner a whole lecture saying she should ask her to switch lab partners bc i didnt know what i was doing bro. Makes me fear bro so scared to mess up which is not the best learning environment. made me feel like i was stupid.

Tough grader
Participation matters
1.0
5.0
CHEM101
Grade: F
May 22, 2024

As a first year college student I was appalled with her treatment of her students when it comes to wanting students to be educated or learn to appreciate chemistry. She leads class by dictatorship not by a true teaching standard. It is infuriating to work hard for a class that dwindles down because of an uncomapssionate teacher.

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM101
Grade: B
May 22, 2024

Unkind and unstable.

Tough grader
1.0
5.0
CHEM100
Grade: B-
Jun 15, 2024

The positive ratings have to be her, this teacher is horrible. She was extremely rude and very VERY unprofessional. I understand you don't have to personally like a teacher to pass the class but she made it unbearable to be there. It felt like you were trying to survive her while getting through the class.

So many papers
1.0
5.0
CHEM101
Aug 4, 2024

Worst Professor EVER. I saw her make students cry in class. Someone told her that they couldn't come to class, so she made them answer all of her questions for the entire next lecture and told him how much of a bad student he was for not being able to answer some of them correctly. Mind you he was the best student in the class and had an A.

Lecture heavy
4.0
5.0
CHEM102
Grade: A
Aug 22, 2024
Would take again

After taking her in CHEM101&CHEM102, I think she is fair in her requirements, though she can be a little scary! Try to take her classes in person if you can, because online was VERY stressful. Difficult class, but put in time and effort and don't be afraid to attend office hours. She was very clear about what would be on every quiz and every test.

Clear grading criteria
Lots of homework
Accessible outside class
1.0
5.0
CHEM150
Dec 12, 2024

made me depressed

4.0
4.0
CHEM150
Grade: B+
Jan 4, 2025
Would take again

Anyone writing a bad review...surely you're just a bad listener. This professor lays out the rules CLEAN AND CLEAR. are the rules intimidating? sure. is she strict on her rules? YES but she tells you EVERYTHING. Take notes, pay attention, PRACTICE and ask for help. Lots of extra credit opportunities especially on exams.

Tough grader
Participation matters
Lecture heavy
1.0
5.0
CHEM100
Grade: Drop/Withdrawal
Jan 27, 2025

Horrible, the worst actually.

Lots of homework
Lecture heavy
Test heavy
1.0
5.0
CHEM150
Grade: Drop/Withdrawal
May 12, 2025

made me want to dropout

Tough grader
Test heavy
1.0
5.0
CHEM102
Grade: B
Jul 2, 2025

This professor has a habit of tearing students down instead of encouraging them. I expressed to her i was feeling overwhelmed with a topic and didn't know where to start to which she replied “well you're clearly not paying attention or reading the textbook” (I always applied myself during lecture and outside). worst class I have ever taken BY FAR.

Tough grader
Lots of homework
Lecture heavy
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Jul 14, 2025

I thought it was me at first, why she is so mad when I didn't do some assignment, and she would lash out at me, but I heard it happen to everyone, so glad it wasn't just me. Words of Advice: Don't take her class even if you are in a dire situation to get out of college. Better to wait another semester.

Tough grader
Lecture heavy
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Jul 14, 2025

In ancient Korean folklore, the Chonyeo Gwisin is a vengeful spirit of an unmarried woman—cold, cursed, and full of resentment. That's Mrs. Rahbarnia. She doesn't teach, she haunts. 1 star on Rate My Professor—not for difficulty, but for the spiritual damage. Avoid if you value peace.

Tough grader
Lots of homework
Lecture heavy
4.0
4.0
CHEM150
Grade: B-
Nov 9, 2025
Would take again

If you are serious about your science degree, then this class prepares you well for that. I think most people here complaining are used to high school classes. It's actually refreshing to have a professor take a topic seriously. Dr. Rahbarnia can be blunt, but I haven't seen her attack personal character.

Tough grader
EXTRA CREDIT
Lecture heavy
1.0
5.0
CHEM101
Grade: Drop/Withdrawal
Dec 16, 2025

This professor told me that I would never pass chemistry. Her classroom is an extremely hostile environment and it's impossible to learn when she degrades you every time you don't understand something. Even telling me once, “I don't get what's not making sense to you.” Anyways, DO NOT TAKE HER! Go to SBVC instead, I passed chemistry with an A.😊

Tough grader
Lots of homework
Test heavy
1.0
5.0
CHEM101
Grade: B
Dec 16, 2025

She's clearly knowledgeable, but her attitude poisons the class. She rushes through material, snaps at questions, and gets visibly irritated by minor mistakes. The classroom feels tense and intimidating, making it hard to learn—especially if chemistry doesn't come easily.

Lecture heavy
1.0
5.0
CHEM102
Grade: C
Dec 19, 2025

This is the worst professor I have ever had this class and grading scale is a JOKE basically all you need to do is take the exams and do nothing else as nothing else matters. She doesn't grade well on the exam she doesn't teach well she doesnt know what she is doing. I have never seen this lack of knowledge in a PHD she needs to do better.

Tough grader
Test heavy
Graded by few things
1.0
5.0
CHEM102
Grade: Rather not say
Dec 20, 2025

In my experience: If you do not understand o chem and have a good background it in already, DO NOT TAKE THIS CLASS with her. I tried to give her the benefit of the doubt, if I could go back I would've never taken this class. She is snappy, has no teaching skills for a very challenging subject, and does not care if you succeed. She is not helpful.

Tough grader
Lots of homework
Test heavy
1.0
5.0
CHEM102
Grade: Rather not say
Dec 20, 2025

Her grading scale= a joke. WORST professor I have ever had. She will make you feel bad for having questions then be upset when people aren't participating. Let me be very clear, if you do not have a 65% or above average on tests she will fail you. No matter your overall grade in the course. Take this class anywhere else. Not with her.

Tough grader
Test heavy
Graded by few things
1.0
5.0
CHEM150
Grade: D
Dec 20, 2025

AVOID! I am not exaggerating when I say this was the worst class I've ever experienced. Class problems worked out in class are consistently solved wrong, Have a question, don't bother asking. Harsh grader.

Tough grader
Participation matters
Test heavy
1.0
5.0
CHEM102
Grade: Not sure yet
Dec 28, 2025

Check all your assignments, she makes grading mistakes on EVERYTHING. She won't be nice when you point it out but you need the points. Grades very hard but makes many mistakes.

Tough grader
Lots of homework
Lecture heavy
Class Info

Online Classes

100%

Attendance Mandatory

82%

Textbook Required

0%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B-

95% confidence
Based on 58 grades
Most common grades:
A (15)
Drop/Withdrawal (11)
C (8)
Grade Distribution
A(18)B(14)C(9)D(19)F(5)A-/B+(4)
Based on 79 reported grades
A: 15
Drop/Withdrawal: 11
C: 8
B: 7
Common Tags
Skip class? You won't pass. (37)
Tough grader (36)
Test heavy (22)
Lots of homework (20)
Lecture heavy (20)
Tough Grader (19)
Get ready to read (12)
LOTS OF HOMEWORK (11)
Rating Trend

Declining

-0.66 avg change
Dec
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Last 6 months
Ratings by Course

CHEM1O1

5.0

(1)

CHEMISTRY101

4.0

(1)

CHEM150

2.3

(18)

CHEM101

2.2

(65)

CHEM100

1.8

(6)
+4 more courses
Difficulty by Course

CHEM151

5.0

CHEM10106

5.0

CHEM102

5.0

CHEM100

4.7

CHEM101

4.6

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