Average 4.95 based on 51 teacher ratings
John Tsai is a Science teacher at Townsend Harris High School located in Flushing, New York and part of New York City Geographic District #25. John Tsai's 51 teacher ratings contributes to Townsend Harris High School's ranking of 824 in New York. Additionally, the average teacher rating at Townsend Harris High School is 4.24 stars.
4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
3
Textbook Use
3
Exam Difficulty
5
Recommended
4
Easiness
5
Helpfulness
4
Clarity
5
Knowledge
3
Textbook Use
4
Exam Difficulty

He is a very amiable teacher who is very involved in his subject. He is very good at comparing concepts to common experiences and though his diagrams are a bit messy, you still learn. The only problem is that sometimes he forgets to teach certain topics. He's my favorite physics teacher tbh

5
Recommended
5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
2
Textbook Use
2
Exam Difficulty

HE IS HANDS DOWN THE BEST PHYSICS TEACHER AT THHS.
-He's super nice and friendly to everyone and so easy to talk to!
-He teaches really well and gives good notes and lots of practice.
-Isn't strict with labs and is very understanding about when you submit things (SATs, holidays, etc.)
-Tests are not hard, they are exactly what he teaches you
-Offers extra credit
-Has some nice stories to share (ask about his friend Wes)
I absolutely loved physics because of Mr. Tsai!!

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
4
Textbook Use
3
Exam Difficulty

He teaches what you need to know for the physics regents. The tests are actually quite easy because they are basically what you learn in class. If you need help, he is there too. He sends review sheets before tests. Though his notes can get messy, he interacts very well with the class. Very good teacher :)

3
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
4
Textbook Use
3
Exam Difficulty

I hate science but I loved his class. NUFF SAID.

4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

I was never a science person, but his organized way of teaching helped me understand physics. Granted, Regents physics is basically formulas and application. He's lenient, funny, and clear when teaching. Loved his class!

4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Best science teacher ever. He is very understanding and gives you the grades that you deserve. He will email you if you did not well on a test and you can do extra credit to bring up your score. HANDS DOWN THE BEST PHYSICS AN

5
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

i LOVE this man!!! he is an angel <3

3
Easiness
5
Helpfulness
5
Clarity

never was good at science until Tsai

5
Easiness
5
Helpfulness
5
Clarity

love him!!!! best science teacher ever!!!!

5
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

Mr.Tsai is the man. There is no one better! Best teacher ever.

4
Easiness
5
Helpfulness
5
Clarity

Best science teacher ever! Funny, and fair; he makes physics enjoyable.

5
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

Being a non-Science person, physics should've been my worst class but having Tsai as my teacher made it possible. The kindest, most understanding man who is one of my best memories of THHS.

2
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
4
Clarity

Mr.Tsai is one of the best teacher's I've ever had. He's really helpful, smart, funny, and nice. He makes physics sooooo much easier and funner than it really is.

5
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai is AMAZING! I actually look foward to his class and the period goes by so quickly. I don't think there will ever be a teacher as great as Mr. Tsai.

4
Easiness
5
Helpfulness
5
Clarity

wow. I love this man. great teacher. i dont have him now, which totally sucks.

2
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai's class is fantastic. He makes Physics go by so fast, and i'm laughing everyday. He is such a nice person too, and is always trying to find ways to help you.

5
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai best teacher I have ever had in my life. He works hard to make sure everyone in the class knows what he's talking about and makes physics a lot more enjoyable.

3
Easiness
5
Helpfulness
5
Clarity

He is such an amazing person and teacher. Those who get him are sooo lucky.

3
Easiness
5
Helpfulness
5
Clarity

He makes a boring, difficult class like Physics entertaining and easy. He comes up with wonderful analogies to explain physics concepts. I had a lot of good laughs in that class.

5
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai should be cloned. He really helped me earn a high grade on the Regents. Definitely the best teacher in Townsend Harris. Easy, helpful, caring & sweet.

5
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai is yoda!

3
Easiness
5
Helpfulness
5
Clarity

he's awesome. he makes class interesting and he does his best to explain everything when we dont udnerstand something.

5
Easiness
5
Helpfulness
5
Clarity

quite possibly one of the best teachers i've ever had in my life. this man is a legend

3
Easiness
4
Helpfulness
3
Clarity

Mr. Tsai is clearlyyy an excellent teacher. He really knows his stuff. I'm glad to have had him as a teacher.

4
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai is an awesome teacher! He makes a subject like physics seem easy, which is a hard thing to do. He is one of the best teachers in the school

5
Easiness
5
Helpfulness
5
Clarity

extremely nice and helpful; encouraging, too

5
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai is the best physics teacher ever :D

4
Easiness
5
Helpfulness
5
Clarity

I LUVV MR. TSAIIII...... i have him 8th band this term and i dont fall asleeeppp.... he must be a greaaaat teacher.... your great mr. tsai....=D

3
Easiness
5
Helpfulness
5
Clarity

I passed the stupid physics regents because of Mr Tsai! Ow ow! He's smart and helpful and if you see his name on your program card, pat yourself on the back.

3
Easiness
4
Helpfulness
4
Clarity

mr. tsai is soooo cool. he always always is fair. who doesn't know that if they want to 100% PASS physics, they should get mr. tsai?

3
Easiness
5
Helpfulness
5
Clarity

cool teacher

3
Easiness
5
Helpfulness
5
Clarity

He's so nice and always tries to be fair!

5
Easiness
5
Helpfulness
5
Clarity

i have him again for SP2! i love the man, nice, teaches and tests are fair. grades fair too.

4
Easiness
5
Helpfulness
5
Clarity

great teacher. hands down.

2
Easiness
5
Helpfulness
5
Clarity

i love mr. tsai! not only did he help me understand physics, but he's so kind. he's actually funny, too, in a monotone sort of way.

4
Easiness
5
Helpfulness
5
Clarity

he's the best...tied wit brown!!

4
Easiness
5
Helpfulness
5
Clarity

mr. tsai is the best teacher

5
Easiness
5
Helpfulness
5
Clarity

this guy is funny. tries to crack jokes in his monotone voice, wow. i think im the only one who responds in his class...haha.. great asset to sci dept!

4
Easiness
5
Helpfulness
5
Clarity

He is the best Physics teacher ever. Sure my Regents grade came out low but you will learn the most from him. Too bad he doesn't teach that much anymore.

3
Easiness
5
Helpfulness
5
Clarity

i love mr tsai!! he is soo great and smart. he is the reason i passed the regents. he is hte bestetstststststs

4
Easiness
5
Helpfulness
5
Clarity

hes SO great. probably the best teacher in townsend harris...

3
Easiness
5
Helpfulness
5
Clarity

best physics class you can have. mr tsai is the kindest person, and u will know your stuff

4
Easiness
5
Helpfulness
5
Clarity

The only physics I know are from Mr. Tsai's lunch bands. I was never in his class, but went to it when I had time so that I can help myself for the regents!

3
Easiness
5
Helpfulness
5
Clarity

Ahh!! Mr. Tsai is the best physics teacher ever!

3
Easiness
5
Helpfulness
5
Clarity

Tsai is the man the only way i passed phys. he is so awesome and i will miss him

3
Easiness
5
Helpfulness
5
Clarity

Mr. Tsai is by far the best physics teach...he's really nice and his son is adorable

3
Easiness
5
Helpfulness
5
Clarity

go mr. tsai!

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Learn more about Townsend Harris High School

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4-star
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Based on 3,919 Ratings
Townsend Harris High School is a public high school located in Flushing, New York and part of New York City Geographic District #25. Townsend Harris High School is ranked 828 in New York. Learn More