Average 4.01 based on 72 teacher ratings
Derek O'Halloran is an English teacher at Cabin John Middle School located in Potomac, Maryland and part of Montgomery County Public Schools. Derek O'Halloran's 72 teacher ratings contributes to Cabin John Middle School's ranking of 85 in Maryland. Additionally, the average teacher rating at Cabin John Middle School is 4.1 stars.
4
Easiness
4
Helpfulness
4
Clarity
4
Knowledge
3
Textbook Use
2
Exam Difficulty
4
Recommended
5
Easiness
4
Helpfulness
4
Clarity
4
Knowledge
4
Textbook Use
1
Exam Difficulty

He stays on topic and is fun and smart and yeah.

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

AWESOME DUDE ..............

2
Recommended
4
Easiness
2
Helpfulness
3
Clarity
4
Knowledge
2
Textbook Use
2
Exam Difficulty

Fun guy, but we ALWAYS got off topic. Once we spent about 15 minutes talking about the lottery (our lesson had to do with nothing of the sort) and he is just never focused. When kids are talking he doesn't say anything and once the assistant had to tell someone to stop talking and Mr.O just laughed. I've always wanted a laid back class where we do nothing, but Mr.O made me realize that that's not the best

2
Recommended
5
Easiness
4
Helpfulness
4
Clarity
5
Knowledge
3
Textbook Use
4
Exam Difficulty

Mr. O'Halloran is a good teacher who knows what he is talking about. He can get off topic sometimes about funny/totally random things, but always is able to fit in what we are meant to learn in that lesson. Very nice and helpful teacher.

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

We spent the whole day talking about sports. We did absolutely nothing in this class. The only thing I learned was from the books I was sneakily reading under my desk.

1
Recommended
1
Easiness
1
Helpfulness
1
Clarity
3
Knowledge
1
Textbook Use
1
Exam Difficulty

In this class, you learn nothing. Mr. O'Halloran will not teach you, he will go through lesson plans and do nothing for the 45 minutes of class. The students are always going off task, I gained nothing from this school year. He is the slowest grader I have ever had the unfortunate chance of encountering, he is never focused and the students do whatever they want.

5
Easiness
3
Helpfulness
4
Clarity

He's a really nice teacher, but the classes are always off task and hes just always on the computer not caring what the class is doing.

5
Easiness
5
Helpfulness
5
Clarity

Best Teacher Ever!

5
Easiness
5
Helpfulness
5
Clarity

3
Easiness
1
Helpfulness
1
Clarity

he cannnot teach he sees other ppl passing notes and talking and everything but he doesnt do anything. he gets so off task. he even lets ppl talk during a test

5
Easiness
5
Helpfulness
5
Clarity

hes an awesome teacher and makes english class so fun. we always do go off topic though but end up learning somethin having to do with english.

3
Easiness
5
Helpfulness
5
Clarity

awesome!! so funny and even tho he gets off topic sometimes, he usually has a way of relating it back to the work, english class is so fun and we learn alot!

5
Easiness
5
Helpfulness
4
Clarity

hes very nice and funny hes a great teacher but he didn't let me in the play so now i dont like him for that!!!!!!!!!!!!!!!!!

5
Easiness
5
Helpfulness
5
Clarity

doesnt have much class control but very nice and funny.

4
Easiness
4
Helpfulness
4
Clarity

he rules! i luv getting off-topic. he's really fun! wuts wrong w/ u ppl who think that's bad?

4
Easiness
4
Helpfulness
4
Clarity

Funny but lets students talk and get off task very easily. Half of the class is just social time. Not that I'm complaining but some people have trouble understanding topics taught only for a minute.

4
Easiness
5
Helpfulness
5
Clarity

He is so awesome!did you hear him read lemon brown today (9/17/07)?AWESOME!

3
Easiness
2
Helpfulness
1
Clarity

mr o is possibly the worst teacher ever. the whole class we sit and talk and do nothing.he doesnt even notice kids wreseling on the floor he really doesnt no how to teach but he is funny and nice.

4
Easiness
3
Helpfulness
3
Clarity

slowest grader in the world funny tho

5
Easiness
3
Helpfulness
3
Clarity

SLOW GRADERRRRR BUT FUNNY AND U LEARN NOTHINGG HAHAH last year we played hackey sack instead of englishh

3
Easiness
5
Helpfulness
5
Clarity

slow graderrr but funny

1
Easiness
5
Helpfulness
5
Clarity

3
Easiness
5
Helpfulness
5
Clarity

5
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

1
Easiness
5
Helpfulness
5
Clarity

2
Easiness
5
Helpfulness
5
Clarity

5
Easiness
3
Helpfulness
5
Clarity

Great Teacher had him last year for 2nd period english and we did more talking then learing but talking is mor fun anyway

3
Easiness
5
Helpfulness
5
Clarity

4
Easiness
5
Helpfulness
5
Clarity

2
Easiness
5
Helpfulness
5
Clarity

2
Easiness
2
Helpfulness
2
Clarity

ok so let me break down 2 u i had him 4 english but in reality i had him for hackysack

2
Easiness
5
Helpfulness
5
Clarity

5
Easiness
2
Helpfulness
2
Clarity

thinks hes funny but isn't and rly slooow grader

3
Easiness
5
Helpfulness
5
Clarity

3
Easiness
3
Helpfulness
3
Clarity

the class is such a waste of time he's funny on a good day

5
Easiness
3
Helpfulness
3
Clarity

we do nothing in his class all day its soo much funn

3
Easiness
3
Helpfulness
3
Clarity

he's okay can be funny but kind of mean sometimes

3
Easiness
5
Helpfulness
5
Clarity

he's okay i guess

3
Easiness
3
Helpfulness
3
Clarity

terrible teacher the only good thing about his class is we do nothing the other day we played hackysack no joke!

4
Easiness
5
Helpfulness
5
Clarity

he's awsome its just that i flunked outa his class! other than that its been fun being in the talent show 3 yrs in a row! cant wait fr charlie and the chocolate factory...im in it!

2
Easiness
5
Helpfulness
5
Clarity

We wrote many essays, but I'm glad bcuz we do tonz in 9th grade. Fun class and good prep for high school.

3
Easiness
3
Helpfulness
3
Clarity

um.......not rly a good teacher to slow of a grader but a pretty good juggler if u kno wut i mean hahaha

3
Easiness
3
Helpfulness
3
Clarity

rly just don't like him im sorry i kno evry1 else does but i personally don't!

5
Easiness
4
Helpfulness
4
Clarity

his class was my favorite, even though we didnt learn much. mr o'halloran is the coolest teacher ive ever had. great dancer, and he is sooo funny!

3
Easiness
5
Helpfulness
5
Clarity

AWESOME HES SOOOOOOOOOO FUNNY OUR CLASS GETS OFF TOPIC REALLY EASILY BUT O WELL HAHAHA

5
Easiness
5
Helpfulness
5
Clarity

He is the best teacher ever

5
Easiness
5
Helpfulness
5
Clarity

he can't control his class but hes so much fun and a great dancer i luv him hes the coolest but can be hard sometimes and doesn't talk when hes agry he just looks at u its scary

5
Easiness
5
Helpfulness
5
Clarity

THIS TEACHER IS THE BEST!!!!!! he soooo funny. WE HAD A BREAKDANCE COMPETION!!!

5
Easiness
5
Helpfulness
5
Clarity

AWESOME!

5
Easiness
5
Helpfulness
5
Clarity

mr. o is da best teacher ever..he makes you laugh and u learn a lot while his class is still easy...wats better den dat??

5
Easiness
5
Helpfulness
5
Clarity

ahh... i love mr. o!!! he's so cool!

5
Easiness
5
Helpfulness
5
Clarity

aaah Mr. O was awesome. I loved him, he was so much fun.

3
Easiness
5
Helpfulness
5
Clarity

Says he used to teach high school. Really knows his stuff. An intelligent, laid back, teacher that really cares!

5
Easiness
5
Helpfulness
5
Clarity

WOW what and amazing teacher! haha he is the coolest teacher ever, so laid back. Tests and all of the work is so easy! ONE OF THE BEST TEACHERS EVER!

5
Easiness
4
Helpfulness
4
Clarity

Great guy but some of the kids seemed like they were smarter than him.

4
Easiness
4
Helpfulness
3
Clarity

Very Cool

5
Easiness
5
Helpfulness
5
Clarity

one of the best teachers u will ever have... cherish it cuz once u get to high school all the teachers suck

4
Easiness
2
Helpfulness
4
Clarity

One of the few teachers you meet, who really LOVES their job.In drama he always wanted to join in the games,and in english this year he goes all out. haha

5
Easiness
4
Helpfulness
4
Clarity

friendly, funny, smart, and willing to know you personally. a genuinely nice guy!

5
Easiness
3
Helpfulness
4
Clarity

he is the best! he is so funny and entertaining in class and class is almost never boring!

3
Easiness
5
Helpfulness
5
Clarity

Had him last year, miss him this year. He's an original. Not all care as much as he does

4
Easiness
4
Helpfulness
4
Clarity

Hes a funny teacher but teaches you absolutly nothing and gives a test on random things

4
Easiness
5
Helpfulness
5
Clarity

Great guy. He did a good job on the play.

5
Easiness
5
Helpfulness
5
Clarity

I have him for beginning theater and he is one of the nicest, coolest, funniest teachers to walk the earth

4
Easiness
5
Helpfulness
5
Clarity

A very very passionate man! Very very funny too. Mr. O has made english very interesting. Good times Mr. O! :)

4
Easiness
4
Helpfulness
5
Clarity

Mr. Ohallaron is funny and he gives good assignments. He helps me understand stuff threw acting it out and it it so helpful!

5
Easiness
5
Helpfulness
5
Clarity

By far the funniest and nicest teacher i've had so far

2
Easiness
5
Helpfulness
5
Clarity

Wonderful man. Loves the kids. In HS English the other middle school students were lost, whereas I actually knew what the teacher was talking about!

5
Easiness
3
Helpfulness
3
Clarity

never had him 4 english, but he was a great drama teacher, hes nice amd funny

2
Easiness
5
Helpfulness
5
Clarity

Mr. O. is hilarious. If you get him you will be completely entertained in class!

5
Easiness
5
Helpfulness
5
Clarity

Best English teacher EVER!!!

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Learn more about Cabin John Middle School

5-star
72%
4-star
13%
3-star
7%
2-star
2%
1-star
4%
Based on 2,243 Ratings
Cabin John Middle School is a public middle school located in Potomac, Maryland and part of Montgomery County Public Schools. Cabin John Middle School is ranked 85 in Maryland. Learn More