Average 3.94 based on 9 teacher ratings
John Koval is a Math teacher at Westlake High School located in Thornwood, New York and part of Mount Pleasant Central School District. John Koval's 9 teacher ratings contributes to Westlake High School's ranking of 240 in New York. Additionally, the average teacher rating at Westlake High School is 4.33 stars.
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Easiness
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Helpfulness
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Clarity
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Clarity

This man changed my life. 15 years ago, I didn't think I could ever become an electrical engineer. I don't know if I could ever thanks him enough.

3
Easiness
1
Helpfulness
1
Clarity

Nice that he can teach someone who understands but any teacher who this any question is dumb shoudnt be teaching. I found him very ineffective.

3
Easiness
5
Helpfulness
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Clarity

Mr. Koval was the best teacher I ever had! Thanks Koval!

4
Easiness
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Helpfulness
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Clarity

i had him in 7th grade, and then i left westlake...and he's the only teacher i remember and i still love him!

3
Easiness
5
Helpfulness
5
Clarity

koval is so cool, hes like the man! i had him for 6th, 7th, 8th grade lol. hes so funny & i luv havin starin contests w/ him its great. he so knows his math!

4
Easiness
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Helpfulness
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Clarity

Koval is awesome you just have to be careful not to get him mad or ask dumb questions. I loved having him as a teacher. He's a funny guy.

4
Easiness
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Helpfulness
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Clarity

i love this teacher!! he is the greatest...very nice

5
Easiness
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Helpfulness
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Clarity

he was the most helpful math teacher i ever had thanx Koval

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Easiness
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Helpfulness
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Clarity

ALL I HAVE TO SAY IS DONT EVER GO TO REVIEW WITH THIS MAN. IF YOU DO GO AND DONT UNDERSTAND SOMETHING WHICH IS THE POINT OF REVIEW, HE GOES BOLISTIC

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Learn more about Westlake High School

5-star
74%
4-star
11%
3-star
6%
2-star
2%
1-star
5%
Based on 452 Ratings
Westlake High School is a public high school located in Thornwood, New York and part of Mount Pleasant Central School District. Westlake High School is ranked 235 in New York. Learn More