Average 4.78 based on 25 teacher ratings
Gary Greenall is a Science teacher at Barrie North Collegiate located in Barrie, Ontario. When comparing Gary Greenall's ratings to other teachers in the province of Ontario, Gary Greenall's ratings are above the average of 4.18 stars. Additionally, the average teacher rating at Barrie North Collegiate is 4.24 stars.
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he was the best science teacher i have ever had! he made science seem so easy, and fun at the same time. he was easy to get along with, and he never got mad. he was always willing to help, and was there for you. he taught you everything you needed to know and more. the best ever!!!

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Mr. Greenall was the best teacher I've ever had, he made me want to try in school, and he never got angry.

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Mr.Greenall is such a great teacher. He is very understanding and really cares about his students. His explanations are clear and he's very helpful. Mr.Greenall is GREAT!

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I had him 1stsemester gr 11 he's an amazing teacher and and put up with (my lab partner set himself on fire twice doing the same stupid thing) his class was the best and he is a very good teacher!

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You are one of the greatest teachers. North was very lucky to have a teacher as good as you. Congratulations on your retirement, students to come will really miss out on a really great teacher.

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U R THE GREATEST...AWSOME CHEM TEACHER...LEARNED A LOT

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very compassionate teacher. Very bright and knowledgable. definited the man.

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Definatly the best teacher in the school.

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Mr. Greenall is the man

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One of the best teachers ever! We will miss you when you retire mr. Greenall! I loved that class ;)

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he definetely made the one subject i hated..one of my most loved. Good job Greenall!

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definetely one of the best teachers i've ever had, he explains scientific concepts in a way that everyone will understand. i hope to have him again sometime

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Mr. Greenall is a very good teacher and is VERY good at explaining difficult concepts to his students. He seems to never get frustrated or angry and will always listen to what you have to say.

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Very good teacher. I loved having him.

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mr. greenall is the man! seriously the best teacher i ever had

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I love Mr. Greenall, he is an amazing teacher, and he loves what he's doing. I can talk to him about anything.

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He teaches in a way that makes us able to understand and remember the concepts. He is also very friendly.

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Excellent teacher, well set rules and has a good understanding of a student's psyche and how he/she will act. Good sense of humor.

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I used to enjoy him, but after he failed me after the exam when i had been passing the whole year, put in so much effort and got nothing out of it, not fair

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Incredible teacher

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One of the best teachers I have ever had! Explains things well. Made the exam impossible though.

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Mr Greenall is such an awsome science teacher! He makes subjects like chemistry very easy to understand!

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Best teacher ever

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Learn more about Barrie North Collegiate

5-star
79%
4-star
9%
3-star
6%
2-star
3%
1-star
2%
Based on 1,047 Ratings
Barrie North Collegiate is located in Barrie, Ontario with an average teacher rating of 4.24 stars. When comparing Barrie North Collegiate's teachers to other teachers in the province of Ontario, Barrie North Collegiate's teachers are above the average of 4.18 stars. Barrie North Collegiate ranks 437 amongst all High Schools in the province of Ontario. Learn More