Average 4.77 based on 48 teacher ratings
Mark Castellani is a Math teacher at Denis Morris Catholic High School located in St Catharines, Ontario. When comparing Mark Castellani's ratings to other teachers in the province of Ontario, Mark Castellani's ratings are above the average of 4.17 stars. Additionally, the average teacher rating at Denis Morris Catholic High School is 4.23 stars.
4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
4
Textbook Use
3
Exam Difficulty
5
Recommended
5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
3
Textbook Use
3
Exam Difficulty

He makes such an impact on the students by teaching small, important life lessons every Monday. He is hilarious, makes class fun and he still remembers my name when he greets me in the hallway. Two years after I was in his class. He is an amazing teacher, my favourite in fact, and has made a huge impact on my life. I wish I could have the pleasure of him as my teacher again.

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

One of the best teachers this high school can have. He might seem eccentric at first, but you will love him.

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

he's amazing, never moved on with my class until everyone was on track. Sometimes his niceness is taken advantage of :(.... great teacher and you can tell he is passionate about his job. More into religion than most religion teachers too....

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

amazing teacher, love his reflections.

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

overall such a great teacher! he goes out of his way to help each and every student. remarkable man.

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

He was my math teacher roughly 8 years ago. He recognized I was struggling with my home life and did what he could to help me. He changed my life. I will forever be grateful for this teacher.

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

Mr Castellani was an excellent math teacher in my grade nine year. He makes sure you understand what he is teaching, and goes through everything in depth-something a lot of teachers don't do these days

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
4
Textbook Use

MR. C!!!! By far my favorite teacher this semester! Your jokes are so lame (in a good way) and funny. You always make the class bright. I look forward to your class everyday!

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

Very helpful. So caring. He listens to your problems, which doesnt happen often with teachers.

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

he is truly and amazing person and teacher and helped me through a lot

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

He's a great teacher. You might not like him at first but after a week you really start to like him. One of my best math classes. He truly cares that you understand the material.

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

This guy is pretty eccentric, and often straight up weird. People hate on him erryday, but he dont give a f---! He's super nice, really competent helpful and understanding of kids with jobs and kids that just dont like math. He understands kids. Biggest goody-two shoes Ive ever met and its awesome, his class is retty laid back for math because he truly cares that you understand the material and get the help you ask for. One of the better math teachers and such a happy guy!

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Hands down one of the best teachers at the school, always willing to help everyone out, always there if you need someone to talk to, actually made religion interesting in gr.9

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

One of the best teachers I have ever had. Extremely intelligent yet he realizes the importance of teaching in every way possible so that all the students retain a good understanding. Great class!

4
Easiness
5
Helpfulness
4
Clarity
4
Knowledge

MR. C <3333333 you were nice!!!!! except you were very rushed and loud. it bothered me and i did ok in that class.

4
Easiness
5
Helpfulness
5
Clarity

He is awesome! Did amazing with him. Fair, clear and covers everything with time to spare.

3
Easiness
5
Helpfulness
3
Clarity

He's So Random He Talks About Family Life All The Time.

5
Easiness
5
Helpfulness
5
Clarity

A refreshing break from the dull norm, a pleasure to be taught by.

5
Easiness
5
Helpfulness
5
Clarity

2
Easiness
4
Helpfulness
4
Clarity

He's an alright guy, really funny, gets very excited easily.

5
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
4
Clarity

a great teacher! too bad i only had one class with him. grade nine math, first period. definatley my favourite class ever.

5
Easiness
5
Helpfulness
5
Clarity

At first I thought he was weird cuz of his voice but he turned out to be simply amazing. The best teacher I've ever had. Great discussions and easy homework. Religion is great now I used to hate it

5
Easiness
5
Helpfulness
5
Clarity

He ain't bad on the eyes I'll tell you that.

5
Easiness
5
Helpfulness
5
Clarity

He will remember everything about you. One of the greatest teachers ever. Always a joy to be in his class. A very funny guy also. He tends to sing a lot.

4
Easiness
4
Helpfulness
4
Clarity

5
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
4
Clarity

All the math teachers are great, and Mr C. is no exception.

4
Easiness
5
Helpfulness
5
Clarity

THE best teacher in the school! Period. Way too much to say in under 200 letters. YOU ROCK MR. C!

5
Easiness
5
Helpfulness
5
Clarity

I wish more teachers were like him.

5
Easiness
5
Helpfulness
5
Clarity

1 of the greatest teachers EVER! He's like the only teacher i knew that would stop what ever he was doing just to help! I Hope i get you for math! cuz you're A GREAT MATH TEACHER!!

5
Easiness
5
Helpfulness
5
Clarity

Mr. Castellani is such a great teacher! I had him for religion and he was the greatest religion teacher in the world! He should definitly consider teaching it again!

5
Easiness
4
Helpfulness
4
Clarity

VERY good teacher NICE

4
Easiness
5
Helpfulness
5
Clarity

An excellent math teacher

4
Easiness
4
Helpfulness
4
Clarity

Don't know what everyone is talking about with this 'nicest guy' stuff. He's a caring guy, but he's moody and rude. Says 'k' 50x/class. Still, good math teacher

5
Easiness
5
Helpfulness
5
Clarity

BEST Math teacher ever! Love the monday reflections!!;)

3
Easiness
5
Helpfulness
5
Clarity

He's the nicest guy ever...I haven't even had him as a teacher but I've still gone to him for help, he's soooooo good at explaining things

5
Easiness
1
Helpfulness
1
Clarity

this class is so easy that i got a good grade and signed out every other day. stop running in the hallways.

5
Easiness
5
Helpfulness
5
Clarity

ur the best!!!!!!

4
Easiness
5
Helpfulness
5
Clarity

You helped me a lot in math you were the best math teacher i have ever had!!!! Thank you!!!

3
Easiness
5
Helpfulness
5
Clarity

great teacher learned a lot like 1+1=2 not 4

3
Easiness
5
Helpfulness
5
Clarity

goes above and beyond what is expected of a teacher

3
Easiness
5
Helpfulness
4
Clarity

Great Teacher....Very Understanding

4
Easiness
5
Helpfulness
4
Clarity

Mr C is a great teacher

5
Easiness
5
Helpfulness
5
Clarity

A man with knowledge not only of math but caring

3
Easiness
5
Helpfulness
5
Clarity

not only a good teacher but a good person

4
Easiness
5
Helpfulness
5
Clarity

If there was a 10 for helpful, he would get it. U ROCK Mr.C!!!!!!!!!

5
Easiness
5
Helpfulness
5
Clarity

BEST TEACHER!!!!!

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Learn more about Denis Morris Catholic High School

5-star
79%
4-star
9%
3-star
5%
2-star
2%
1-star
2%
Based on 1,444 Ratings
Denis Morris Catholic High School is located in St Catharines, Ontario with an average teacher rating of 4.23 stars. When comparing Denis Morris Catholic High School's teachers to other teachers in the province of Ontario, Denis Morris Catholic High School's teachers are above the average of 4.17 stars. Denis Morris Catholic High School ranks 630 amongst all High Schools in the province of Ontario. Learn More