Average 4.5 based on 20 teacher ratings
John O'Reilly is a Math teacher at St. Francis Xavier Secondary School located in Mississauga, Ontario. When comparing John O'Reilly's ratings to other teachers in the province of Ontario, John O'Reilly's ratings are above the average of 4.18 stars. Additionally, the average teacher rating at St. Francis Xavier Secondary School is 4.19 stars.
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By far the best teacher I've ever had. Explained things in a way that you didn't even need to study for tests.

3
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3
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Extremely intelligent, I had a lot of respect for that. unfortunately our personalities clashed, and I can't say that I liked him. He was rather rude to me and sure knew how to manipulate my parents when it came to interviews. A great mind in the wrong profession.

3
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Clarity

RIP. Great teacher, but smoking and eating poutine daily has caught up with him.

5
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RIP SIR! the most brilliant/best math teacher i have ever had! You will never be forgotten, and you will always have a place in our hearts Big O! Xavier just lost its best teacher! ...Rest in Peace...

3
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Clarity

RIP sir! We all love you. We were, and forever will be the greatest math teacher at Xavier. I got good in calculus because of all you taught me in gr. 11 math.

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5
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He is hands down the best math teacher at Xavier. He's tougher than the other teachers, but it's still possible to get a good grade. You also learn so much that ur ahead next year.

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Clarity

great guy...awesome teacher...definately all the props for successful IB HL math results in the past go to him...keep it up, sir!

4
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youre really lucky if you have him. funny and very thorough in lessons yto help you understand. will help you if you need it

4
Easiness
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I wish I had him for all of my math courses. Can't really say anythig bad about him; he made calc class funny and fairly easy. Knows how to teach, and keeps it interesting. He's fair as well.

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Loved his classes. He made evrything fun, especially with his jokes.

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bah

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5
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amazing math teacher!!!....hard sumtimes!!..but still...awsome!!...learned a lot from his class!!!...

5
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BEST MATH TEACHER IN XAVIER....makes calc a breez...and thats not easy to do

2
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He's scary and sarcastic sometimes but extremly smart and a good overall teacher. Makes you want to do good.

3
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he knows what he's doing. really funny when he's sarcastic.

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A math fanatic.

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The best math teacher i've ever had. He is the most educated teacher at FX...very clear and helpful...

2
Easiness
5
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Clarity

This is the sweetest man in the world... I love him, I'm so glad he's my teacher

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Learn more about St. Francis Xavier Secondary School

5-star
74%
4-star
9%
3-star
7%
2-star
3%
1-star
4%
Based on 4,230 Ratings
St. Francis Xavier Secondary School is located in Mississauga, Ontario with an average teacher rating of 4.19 stars. When comparing St. Francis Xavier Secondary School's teachers to other teachers in the province of Ontario, St. Francis Xavier Secondary School's teachers are above the average of 4.18 stars. St. Francis Xavier Secondary School ranks 1,041 amongst all High Schools in the province of Ontario. Learn More