Average 3.42 based on 12 teacher ratings
David Costello is a retired Science teacher at Perth Modern School located in Perth, Western Australia. When comparing David Costello's ratings to other teachers in the state of Western Australia, David Costello's ratings are below the average of 4.43 stars. Additionally, the average teacher rating at Perth Modern School is 4.19 stars.
4
Easiness
3
Helpfulness
3
Clarity
1
Easiness
2
Helpfulness
2
Clarity

omg, boy do I remember his famous rants. Plus he moved us around so much for talking and other inconsequencal things we pretty much ended up where we'd started! XD I'm glad he quit teaching...

5
Easiness
5
Helpfulness
5
Clarity

nice comment against mr stubs..lol :), from a year 10, u dont know

5
Easiness
5
Helpfulness
5
Clarity

fantastic teacher

4
Easiness
1
Helpfulness
1
Clarity

LOL. i still dont get how he can talk about his sons so many times. sure you're proud of your son sir, but hmm not in class. and hes NOT a good teacher! i dont consider reading from a book teaching.

5
Easiness
5
Helpfulness
5
Clarity

Runs rings around the few inflated egos - his comebacks are so memorable!

5
Easiness
5
Helpfulness
5
Clarity

The master of class clowns, and those who need to wake up to themselves. Why their parents can't do a good job is beyond me, but at least this teacher stops them in their tracks.

5
Easiness
5
Helpfulness
5
Clarity

Another teacher of quality who contributes to the overall above-average staff of Mod.

5
Easiness
5
Helpfulness
5
Clarity

I quite like Mr Costello.

3
Easiness
3
Helpfulness
3
Clarity

Mr Costello was really kind to me, i dont really like him that much because everyone else in the class has issues with him, but i did get a good result in the final test and he was happy with me

4
Easiness
1
Helpfulness
1
Clarity

He's so boring, I fell asleep the whole yr 11. Talks in the lowest possible volume. And I'm a disciplined student...

3
Easiness
3
Helpfulness
3
Clarity

Smart man...just not cut out to be a teacher

5
Easiness
1
Helpfulness
1
Clarity

The things mr costello COULD do: write on the whiteboard with a squeak audible from the next class, delay tests in order to spend whole periods giving us the answers. yes actually reading from the tes

Similar science teachers like David Costello?

Marko Vojkovic Former Science
39 Ratings
29 Ratings
29 Ratings
25 Ratings
Alan Samuels Former Science
17 Ratings

Learn more about Perth Modern School

5-star
72%
4-star
13%
3-star
7%
2-star
4%
1-star
2%
Based on 2,817 Ratings
Perth Modern School is located in Perth, Western Australia with an average teacher rating of 4.19 stars. When comparing Perth Modern School's teachers to other teachers in the state of Western Australia, Perth Modern School's teachers are below the average of 4.43 stars. Perth Modern School ranks 69 amongst all High Schools in the state of Western Australia. Learn More