Average 4.59 based on 200 teacher ratings
Mark Wenning is a Biology teacher at Lowell High School located in San Francisco, California and part of San Francisco resident. Mark Wenning's 200 teacher ratings contributes to Lowell High School's ranking of 1,300 in California. Additionally, the average teacher rating at Lowell High School is 4.01 stars.
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Mr. Wenning is probably the best bio teacher you can get. He clarifies everything we read with chapter reviews before tests, he’s super funny, and teaches very efficiently. Bio would be my worst subject, but he made it much easier for me.

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Mark Wennings is the absolute best biology teacher to get. He makes sure you understand every chapter by reviewing the chapter you read the day before in class. Instead of regurgitaing the textbook he asks us question which was proven to help the text stick in our minds a little easier. Im conclusion I think he is a very humorous and knowledgeable teacher.

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Hard teacher, but you will learn something

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BEST TEACHER EVER!!!!!!!!!I hated bio before his class but after, I like it much more, and even though I'm not taking AP bio, I would definitely take it if he taught it. Although he's pretty strict in grading, and in behaviour, he's still pretty chill and his class was the only class I could roll around on the floor laughing my pants off ( i kid u not, I was rolling on the floor) and not get in trouble. If only he taught AP Bio...

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Wenning was probably my favorite teacher in freshman year. He knows his stuff pretty well. Hes really dedicated like who else do u see making recordings of the test reviews and writing notes on his website. His tests are pretty easy. They are basically just true or false questions, and multiple choice. Remember prior knowledge connect the dots!

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Mr Wenning was honestly one of the best teachers I had freshmen yr. While his personality might be a little intense at first impression he really is a chill guy that knows his stuff. You will learn a ton in his class. HW is assigned almost every night and its sort of hard since every single assignment is strictly graded. Tests at least once a week YIKES but they're pretty easy since his lectures go super in depth. Use his website it's amazingly helpful! Easy B

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Mr.Wenning is probably the best teacher I have ever had. I learned so much in his class, and even though we went pretty fast most people ended up learning everything. We did a lot of labs and even though there was homework every night and it wasn't super easy, it would be awesome if he taught AP Bio or any science other than just Bio, because you learn so much in his class, so even though it's hard it's totally worth it.

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He's a really good teacher. He goes in depth with his lectures, and they are really useful for his tests, which are basically every week. It's an easy class if you pay attention. Really pushes the class to participate and gives pop quizzes if no one raises his hand when he asks a question about the homework. His jokes are cringey but passable. Not the easiest A in the world, but if you pay attention and do your homework it helps a lot. Definitely take him.

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He's so fun and a very very very good teacher. I feel bad for the freshman that don't have him bc the rear of the bio teachers here are questionable.....

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if you don't have wenning for bio, your life will be incomplete. 11/10 would take again

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Mr. Wenning is the best biology teacher I've ever had. I've never liked science before, but he makes it interesting! He gives homework every night, everything is graded, and he goes in-depth with the material. You just have to pay attention and you will be fine. I definitely recommend this class :-)!!

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Just need to pay attention in his class and you will get an A

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I had Mr.Wenning for regular biology and HE IS ONE OF THE BEST TEACHERS EVER!! I learned so much from his class. I wish he taught AP biology. Just pay attention in class and you'll do fine.

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Mr. Wenning was the perfect teacher to have as a freshman starting at Lowell. His class is, pardon the pun, an exact science once you get the hang of it; read a section, answer the questions, lecture next day. His personality is very much an acquired taste. He's curt, so don't get easily offended. I learned so much in his class, and have developed an endearment towards if not a love of science because of him.

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I had him for regular biology, and man do I wish he taught AP bio!!! His class was very routine and he went in depth with the material. You won't need to study if you pay attention to his lectures (especially the chapter reviews). PRIOR KNOWLEDGE CONNECT THE DOTS

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Can be intimidating at first because he's loud. As the year continues, you start to get a hang of his class. Really funny and nice guy, anti hillary anti republican. Take him if you wanna learn and dont mind a bit of textbook reading

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Mr. Wenning is the best bio teacher at Lowell, and I'm so sad that he isn't teaching AP Bio :((((. Lots of textbook reading, but SO worth it. (TURTLE BOOK FTW) Learned more than any class I've taken. Super useful website (I'll be using it for future reference lol). Amazing stories and labs. EASY tests. He deserves all the respect he gets, and more. I swear he changed my life and the way I view the world :). Efficient teaching methods. prior knowledge connect the dots!!! BEST CLASS & TEACHER EVER

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Mr. Wenning is AWESOME! His class is easy-going most of the time as long you do the reading or look at his notes page. The only thing to worry about are the labs, but most of that grade is based on the lab report. PRIOR KNOWLEDGE, CONNECT THE DOTS! This class is difficult at first to get used to, but taking notes in this class makes it MUCH easier.

5
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LOVE MR WENNING. I don't know why people say he is hard. He gives homework every night but it takes 10 minutes max. He gives tests bad vials every week but HE GIVES YOU AMAZING RESOURCES to study and be prepared for them, so it's easy to get your grade up if you study. He's an awesome guy and super funny and smart. Seems like he cares about his students and the world which is awesome. I get so annoyed when people say not to take him. Probably one of my favorite teachers.

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Easiness
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I LOVE MR WENNING! However... He's either the kind of teacher that you love or you hate.Be prepared to work hard in his class, EVERYTHING IS GRADED. No slacking off, he doesn't tolerate it. Very smart, you'll learn a lot and will have a lot of fun if you put in your all. He always goes out of his way to make sure that students are able to succeed. His website is your best friend! Listen to the audio recordings and look at his notes!

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Easiness
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LOVE MR WENNING!!!! He isn't the easiest teacher, but he is the chillest and most fun teacher EVER. You will know so much more info than the other bio teacher, prepares you for AP BIO and doesn't mess around. USE HIS NOTES THEY ARE THE KEY TO AN A!!!!!!!

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MR WENNING IS AWESOME, GO WITH THE PHLOEM

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He's a pretty cool guy who doesn't pick favorites. All of his lessons and lectures are crystal clear and straight to the point/answer. You can learn a lot from him but you have to try to succeed at the least to get a B minimum. An A is much tougher, you have to thoroughly review each chapter. Finals/mid-term pretty self-explanatory he takes questions from past tests and put them in the exam

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hard class. great teaching style. great guy. funny. fun class. enough said. easy B

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Easiness
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He is a hard teacher but it's the best science class ive ever taken, it's extremely straight-forward just dont slack and prepare for the test which is easy bc everything's covered in class and his website has pre-quizzes and notes. You have to participate in his class but it's just raising your hands and answering questions. You will learn bio extremely well whether you care about science or not, plus, some of his classes are pretty fun

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His class can be hard, but he's a very good teacher. He puts a lot of genuine effort into teaching and is very invested in helping his students learn. You'll learn a lot from his class. Exams can be difficult sometimes, but there are no surprises; what he teaches in class will be what's on the test.

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Easiness
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He is a really good teacher. He cares about you learning. His test are easy only if you pay attention in class and don't randomally do your homework. He does grade your homework by how much you get right. I like how he gives extra participation credit to those to participate. It does help much but any extra credit would be nice. He has his own webpage where you can find all the information you need to be prepared in his class. I definitely recommend him.

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Idk just not woroking for me its to fast and its hard for me to undertsand..

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Mr. Wenning's class is actually very easy, if anyone tells you otherwise, they don't know what they're talking about. I had him for 2 years, for regular and AP Bio. The class is incredibly straightforward- just listen to the lectures, read and memorize his note pages, and then the tests will always align with the curriculum you've been taught. His class offers a comprehensive and thorough overview of biology, so if you actually want to learn, take him.

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Easiness
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He's good. He's so good. TURTLE BOOK FTW!!

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Mr. Wenning is probably the best biology teacher at Lowell. I had him for two semesters freshman year. Don't listen to the people who say he's hard! If you do your homework, study for his tests, and participate, he is almost a guaranteed A. I got straight A's in his class, and you can too if you really try. I feel well prepared for AP biology because of him...thanks Mr. Wenning!

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I really liked his class! He taught you everything really clearly and always tried to make sure you understood it.His tests are really really easy as long as you do the homework. His website can glitch a little but it has all the resources you need. He is a really good teacher, take him if you actually want to learn

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I've taken Mr.Wenning for two semesters for Biology. When I first met him I thought he was crazy after about two weeks I ended up really liking him. Sometimes he can be a little harsh and will cut people off, though he is very knowledgable. His website is very useful and makes his tests pretty easy if you study.There are notes and recordings of the class lectures along with diagrams and charts. If you study, do the homework, and participate in class you can get an A.

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If you are looking to actually learn biology, take him. He explains good, has all the resources for you, and he knows what he's talking about. If you worry about your grades so much, then you should probably work hard in his class. He teaches you to worry about learning the subject more than worrying about the grades.

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His teaching style is basically repeat and summarize the textbook while explaining it. It's very easy to learn and understand the material if you learn that way, so take him if you do. Make sure you do your best on labs and tests (greatest impacts on grades). He's a great teacher who knows his subject and helps students when they need it. He's also not afraid to joke with his students.

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He makes bio bearable for me, very good teacher

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Mr wenning is a very good biology teacher thay actually teaches & pushes you to succeed with his weekly exams. His exams are not hard if you actually study. The way he teaches in class is very good & he reviews the material with clarity. People whine he is hard because hes like the only teacher that gives daily hw & weekly exams. If you want to be prepared for uni take him

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He is super hard and not a good teacher. his teaching style is not good and his tests are so hard. also is class are not even fun. Avoid him as possible if you do not like homework and lazy.

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Mr. Wenning provides all his students with all resources possible to succeed in his class. Using his website you can teach your own self anything that the textbook makes confusing. He's more knowledgeable of the subject than the textbook is. His class may seem hard in the beginning, but one you get used to it you can make up for everything and get an easy A. You won't regret taking him if you work hard, pay attention, and study for tests.

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He teaches so fast and your test grades are 60% of your grade, so it really sucks. He's great as a person, but hate his way of teaching and his class in general.

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I have him for biology currently and he is probably the best science teacher I ever had. Trying to get him second semester during arena. He has a website that he puts all the information you need to know on. If you do the homework every night you should get an A. (All the lectures, pop quizzes, tests, and labs are all based on the homework.) If you are a slacker, then good luck. You'll need it.

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Mr. Wenning is absolutely awesome and passionate about what he teaches. Not to mention that he took that time and effort to make a website that really helps when studying for tests. A lot of people say that he is hard but as long as you pay attention in class, review his website notes, do your homework, and basically try, his class is not too hard. He is a great and funny guy that will definitely teach you a thing or two. You get the grade you earn! no unexpected questions on tests.

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He teaches class way too fast, there's a test about every week.

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He's a really great Bio teacher.

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Really nice and funny and energetic. He spits a lot though... oh well. His bear story though. His test are really easy as he goes over the whole test the day before. He gives pop quizzes if your class can't answer his question in time. Cannot remember names though.

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Mr. Wenning's great except for the pop quizzes :)

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Best Bio teacher ever, fun and enjoyable class #BearStory!!

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Fun class but too much work amd have to know everything the way he wants you to.

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Mr wenning is the best bio teacher at Lowell. He's a great friendly guy with great stories and he teaches very well. He has made available a bunch of resources available for his students which makes an A possible for anyone. Harder in AP bio. Awesome

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take him if you really want to learn about biology and have fun at the same time (he tells stories). tests are easy as long as you study his notes (which are available on his website) and pay attention

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Mr. Wenning is a great teacher! You really must study in his class, but he provides you with everything you need to succeed! His website has his notes for each chapter, podcasts, reviews, animations, summer clubs, etc. FYI Tests have essay questions!

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terrible teacher.He prides himself in being the "best teacher at Lowell;"HE IS NOT!i did a practice exam the other day on year's material, failed it. i did not learn anything in his class and I STUDY A LOT!i asked him for help and he did not help me. he just said read the book, i have been.i have memorized each chapter and his notes, bad grades.i cannot learn in his class. has favorites and if you are not it(like 2 a class)well bye-bye to an a or high b.worst teacher Lowell has to offer.beware!

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Awesome teacher! Really prepares you for the test. Basically you read a section and the next he goes over the same material so you have a better understanding of it. If you just pay attention, participate, and just try to study a little bit you'll ace his tests! His tests are straight forward and are exactly what he lectures in class(basically word for word). Also created a notes page(website) to help you. He's also humorous and tells great stories.

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Simply put, he is awesomeness personified. Best bio teacher that lowell has to offer, hands down. period.

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funny teacher! lets girls go to the bathroom whenever! tests are manageable in that you have to study but its crystal clear on what you have to study. raising hands is extra credit. you get many chances to raise your grade!!

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Mr wenning is the best! His class is kinda hard but he does really cool labs and you learn so much. He tells funny stories too. at first he comes of strict but then he jokes around with everyone. just do your homework and he should be an easy B. He gives homework everyday but its manageable. youve gotta study for the test but he reviews the day before. also the final and midterm are only like 2%. They basicly are all tests put together and he literally goes over every question on it in review

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Wenning, was such a great Bio teacher! You will definitely understand everything. His jokes are so dumb, that they're funny!

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He's an easy and great teacher. If you pay attention in class and raise your hand, getting an A should be a breeze. BUT if he starts counting down and he calls on you and you say the wrong answer, it's possible that he'll give the whole class a pop quiz. Overall, his class is an easy A if you do the work.

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Mr. Wenning is a great teacher. I have him for biology right now. He's really funny and you learn a lot from him in class. He has this website where you can copy notes and listen to class chapter reviews. As long as you study his notes then you are fine for the tests. But it's quite hard to get A in his class.

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EASY teacher if you do the homework and pay attention in class. Take notes if you're lost everyday. It really helped me. He reviews before tests, so you SHOULD take notes. Tests are straight forward. And you must know how to "connect the dots" for essay questions on tests. ;)

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best science teacher i have ever had! as long as you listen to his lectures and pay attention to the review he does the day before, the tests are pretty easy. the book that he uses it a little bit confusing sometimes, but you can just ask mr. wenning about it the next day. don't be shy :)

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Mr. Wenning isn't even that hard. If you do his homework, you'll know what's going on in class. And if you know what's going on in class, you will know what's on the test. The notes on his site are SOO helpful, as are the prequizes he has for each chapter. Also, participation is extra credit, so if you know the answer to a super easy question, extra credit right there. His tests are hard if you don't study, but I've had worse. Just do your work, study, and you'll be fine.

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he should teach AP Bio. Such a good teacher for reg. bio.

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best bio teacher! homework everyday, but it doesn't take too long. just a couple of questions from the textbook. tests are pretty much based off of his reviews and he reviews a day before tests! he's hilarious too! his jokes aren't funny which makes it funny LOl if that makes sense. finals are the same questions from previous tests

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Hands down best teacher I have ever had at Lowell. I took AP Bio after having Wenning for 2 semesters and I swear to God I used his notes to study for the AP exam (not saying that alone is sufficient but it did help). His class is amazing and he's obviously very intelligent. Truly enjoyed the atmosphere and it made me feel smart lol. He's overall just a really amazing teacher and I would take him over anyone ANYDAY.

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He is SOOO Amazing! I learned SOOO Much! He's hilarious because he thinks he's funny, and he is really helpful if you're confused (which you generally aren't) His tests aren't too difficult, but you do need to study. But he makes that easy because he has online notes/ videos. He's an easy A-. Overall, just amazing :)

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I had him second semester freshman year for bio and he was great (especially after having ms. johnson). Light homework and class time is usually discussions. Just participate a lot and always do your homework and you'll be fine. He has a website with notes on the chapters, practice tests etc. and its really helpful. Corny jokes that are funny cause they're corny. Enjoyed his class. I recommend to all. :D

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Best biology teacher there is. Light homework, simple tests. Online website with notes, pre-quizzes, etc. Learned a lot from him, and got an A both semesters. Just pay attention in class.

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Really good bio teacher! Too bad he doesn't teach AP Biology. "Prior Knowledge,-insert date-, connect the dots" is his motto(inside joke if you get into his class). He teaches with the "Turtle Book" which I believe is better than the "Dragonfly Book" because it's straightforward. The workload is bearable, listen to his lectures, and be sure to raise your hand before speaking or else you'll hear the famous, "Minus two for..." He has great stories of his camping experiences. I'll miss his class=')

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Somewhat easy. A he is a good teacher. We almost learned the entire book! Joakes are dumb, which makes it funny:)

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Pretty good teacher, cool guy. Explains things clearly, decent amount of work, knows what he is talking about. Study the notes in his web page and you will do fine.

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5
Knowledge

Undoubtably the best biology teacher at Lowell. Teaches extremely in depth and helpful lectures. Gives participation points for raising your hand in class. Tests are not too bad, since he explains everything. Only thing he grades hard are the lab reports, which you have to be very specific on if you want a good grade. Take him. You won't regret it.

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

OMG take him, so awesome, idc if he gives b, he's easy,funny and you dont have to do much to earn that b 0.o

2
Easiness
4
Helpfulness
3
Clarity
5
Knowledge

Mr. Wenning is hard. If I had to take him again I wouldn't be too sad though. He has a lot of tests that are hard. Pay attention in class but it's hard to. Make sure you study a lot. I don't really like his class. I used to have a D and now I have a B-. So if you're doing bad don't give up.

3
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Wenning is such a good teacher! He explains everything (to the molecular level) clearly, and it is easy to understand. He's pretty funny too! Wenning: "What's a codon? Is it something your mom tells you before you leave school? 'Put your codon!'" A thing I don't like about him though is that he's a

4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Legit the best bio teacher I've ever had. I'm in AP bio bc of him and i STILL go back to revisit his notes time to time. Teaches well,

3
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Mr. Wenning is one of the best science teachers I have ever had. He explains things in a very easy-to-understand way, and he is funny, so class is never boring. He uses technology to benefit the students, like Google Docs (to make sure that everyone is pulling their weight for labs) and he records h

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

I had Mr. Wenning for 9th grade Biology S'11. Expect class discussions everyday. One huge lab I had was the Bio bottle, got a F . But my overall grade was an A. Why? because I did well on tests.

4
Easiness
5
Helpfulness
5
Clarity

I learned a lot in his class. his lectures are easy to understand and he's funny, too, so class isn't boring. tests are easy, you just have to study the notes he posts online. best bio teacher ever.

4
Easiness
5
Helpfulness
5
Clarity

this guy is the bomb diggity. homework counts for almost nothing so if you get bad grades on it nbd. review his notes and pay attention in class and it's an easy test.

3
Easiness
4
Helpfulness
5
Clarity

He's one of those teachers that you have to put in a lot of effort to get an A in. But, his finals are really easy and aren't worth that much of your grade. The homework is moderate. You learn a lot.

5
Easiness
5
Helpfulness
5
Clarity

Easy homework, you can skim the book to do it. (Don't recommend it in case of pop quizzes.) Pay attention in class and you'll do great. It's easy for your grade to go down but hard to get it back up.

5
Easiness
5
Helpfulness
5
Clarity

by far (in my opinion) the best bio teacher. his homework is light (about 3-5 questions a day), lectures are tolerable, gives points to people who answers his questions, and tests on his notes online.

4
Easiness
5
Helpfulness
5
Clarity

3
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

Learn loads, very nice, however has the MOST BORING LECTURES EVER! Within 5 minutes since class started, I'm already asleep. He's cool with you sleeping if you have at least a B or higher. If you do sleep during his lectures, he has notes online for you to study and they save your life!

4
Easiness
5
Helpfulness
5
Clarity

best bio teacher ever! you learn a lot, go through more than 10 chapters a semester. he has an online site that has prequizzes and notes that really help studying. overall an excellent teacher, one of my favorites. HIGHLY recomended.

3
Easiness
5
Helpfulness
5
Clarity

Really great teacher. He really knows his stuff. His class is hard. You have to be really specific and do well on labs and tests. As long as you study the notes, you'll do fine on the tests. Listen when he reviews, and PARTICIPATE. Partcipation really helps. You really learn in his class.

3
Easiness
5
Helpfulness
5
Clarity

He's a really good teacher, I got a C in his class but i feel like i really learned alot. If maybe I studied more i could have gotten at least a B. Labs were hella not cool in the beginning of the semester especially when your new to his class. So you better work hard ! :)

3
Easiness
5
Helpfulness
5
Clarity

Best bio teacher EVER! Take him if you want to learn A LOT, and want to earn your A. If you listen/participate in his discussions in class, study his online notes and do the hw, you'll do great in his class. Hard grader for lab reports though..

3
Easiness
5
Helpfulness
5
Clarity

3
Easiness
5
Helpfulness
5
Clarity

pretty good teacher

3
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

3
Easiness
5
Helpfulness
5
Clarity

he's kinda hard, but if you study and pay attention, you'll actually like his class and its pretty easy..... its funny when he goes "prior knowledge, connect the dots" you learn a lot, and its good :D

1
Easiness
5
Helpfulness
5
Clarity

He is a cool teacher that teachs alot. probably one of the best teachers there is in the school. yet he also one of the hardest. in btwn he is a very nice teacher... "Connect the Dots"

1
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

He's a funny yet amazing teacher. I learned so much from his class although, he's a porfessional at mugging otherthan that he's GREAT!

4
Easiness
5
Helpfulness
5
Clarity

I had Mr. Wenning as a teacher for Physio. He's one of the best teachers I've ever had! The work isn't that bad, and you'll learn a lot. The class is fun because he knows how to teach and he knows how to make the material interesting. Connect the dots.

3
Easiness
5
Helpfulness
3
Clarity

He is the best biology teacher. Funny, smart, and knows how to teach. If you are a freshman in his class, you will face hell when you take the first test. However, you will eventually get used to his grading system and get consistent A's if you study. His class isn't for everybody, so be prepared.

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