Average 4.39 based on 32 teacher ratings
Denis Ahearn is a Social Studies teacher at Centennial High School located in Ellicott City, Maryland and part of Howard County. Denis Ahearn's 32 teacher ratings contributes to Centennial High School's ranking of 198 in Maryland. Additionally, the average teacher rating at Centennial High School is 4.09 stars.
4
Easiness
4
Helpfulness
4
Clarity
4
Knowledge
1
Textbook Use
1
Exam Difficulty
2
Effective
1
Parent Relation
1
Integrity
1
Empathy
1
Respect
1
Determination
1
Homework

If you want an easy A, Dennis Ahearn is your man. If you want to learn something, find another teacher.

5
Recommended
5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
2
Textbook Use
1
Exam Difficulty

This man is one of the best teachers I've ever had. He has a very lighthearted and humorous personality that makes the class super fun. He understands that teaching with textbooks and lectures won't get us to do anything. He also is very comfortable to talk with and can take a joke. He knows his stuff and is very knowledgable in both sociology and current events. In exchange for no tests, make sure your notebook is 100% perfect. One of the only classes that I enjoy and actually learn stuff.

5
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
1
Textbook Use
1
Exam Difficulty

A class where you actually have fun while you learn.

1
Easiness
5
Helpfulness
5
Clarity
5
Knowledge
1
Textbook Use
1
Exam Difficulty

He is rad. Really rad.

1
Easiness
4
Helpfulness
4
Clarity
3
Knowledge

This class is extremely easy, but not very informative. Ahearn's idea of teaching is just to show videos, so the class is not much of a challenge. Most of the quarterly projects that he assigns are useless as to learning sociology topics.

4
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

When I had Mr. Ahearn for Sociology, his class was both fun and informative. It was pretty easy, but because of the learning environment, not because of a lack of a challenge.

3
Easiness
5
Helpfulness
5
Clarity
5
Knowledge

Ahearn is my man. Just like everybody before me said, he does play favorites, but if you're one of his favorites, you've got it going for you. His humor's basically dissing you in any way he can, but

3
Easiness
3
Helpfulness
3
Clarity
3
Knowledge

He plays favorites, and that can be hurtful.

5
Easiness
5
Helpfulness
5
Clarity

Awesome Class. Awesome Teacher

5
Easiness
5
Helpfulness
5
Clarity

Superb. Awesome. Is there more to say than that? Yes. Many more. And they are all good things.

3
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

He was an awesome teacher when I went to school at Centennial. Truly one of the best :)

1
Easiness
1
Helpfulness
2
Clarity

4
Easiness
5
Helpfulness
5
Clarity

Ahearns pretty cool, laid back class but still pretty interesting

4
Easiness
5
Helpfulness
5
Clarity

he has a really hard midterm but hes one of the coolest teachers ive ever had for sure ...he wrote my letter of recommendation i loved him

4
Easiness
1
Helpfulness
2
Clarity

My experience with him was very different from most raters here. I found him to play favorites, joking around with some students while being short with others. It's hurtful and I will always rememebr

5
Easiness
5
Helpfulness
5
Clarity

he's one of the best teachers ever... his class is amazing

5
Easiness
4
Helpfulness
4
Clarity

5
Easiness
5
Helpfulness
5
Clarity

hes flippin awsome

4
Easiness
4
Helpfulness
5
Clarity

It's only halfway through first quarter, but I love Mr. Ahearn already!!! He's so funny and his class is never boring.

3
Easiness
5
Helpfulness
5
Clarity

I had Ahearn for my senior year and i thought that he was one of the best teachers there! if you are intrested in sociology i would def. take this class!

3
Easiness
5
Helpfulness
5
Clarity

love the man

4
Easiness
5
Helpfulness
4
Clarity

I LOVE AHEARN

3
Easiness
5
Helpfulness
5
Clarity

awesome teacher!

3
Easiness
5
Helpfulness
5
Clarity

I had Ahearn my sophomore year for soc...one of the coolest teachers I've ever had. He always has fun stories. Granted, he gives work, but what teacher doesn't?

4
Easiness
4
Helpfulness
5
Clarity

Ahearn is the coolest teacher i've ever had. He's so funny. last year he had this squirrel named sirnutserlot.

3
Easiness
2
Helpfulness
2
Clarity

Ahearn gives way to many projects that you have to do at home, being a senior, i dont do any work at home it upsets me because i didnt get an A in his class.

4
Easiness
4
Helpfulness
4
Clarity

easy going guy, soc & far eastern were easy, gave great advice about college to seniors.

3
Easiness
2
Helpfulness
3
Clarity

Ahearn is hilarious, but gives out too many projects and papers, and notetaking from the book is death.

5
Easiness
5
Helpfulness
5
Clarity

ahearn is awesome

5
Easiness
4
Helpfulness
4
Clarity

Ahearn's one teacher u want. funny, stutters, laughs, ooh yea.

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Learn more about Centennial High School

5-star
68%
4-star
11%
3-star
9%
2-star
3%
1-star
6%
Based on 2,267 Ratings
Centennial High School is a public high school located in Ellicott City, Maryland and part of Howard County. Centennial High School is ranked 198 in Maryland. Learn More