Average 3.2 based on 5 teacher ratings
Ralph Dustman is a Math teacher at Chaffey High School located in Ontario, California and part of Chaffey Joint Union High. Ralph Dustman's 5 teacher ratings contributes to Chaffey High School's ranking of 364 in California. Additionally, the average teacher rating at Chaffey High School is 4.36 stars.
3
Easiness
3
Helpfulness
3
Clarity
4
Easiness
5
Helpfulness
4
Clarity

I like Mr. Dustman's method of teaching. I started the class with a "D" but once i understood how to get help I raised it up to an "A". It's a shame other students don't share the same opinion.

5
Easiness
5
Helpfulness
5
Clarity

I had Mr. Dustman for Geometry when I was in 8th grade. He is a great teacher; I understood everything he gave us as notes. I'm glad I got to have such a great teacher. I got an A and A+ in Geometry.

2
Easiness
3
Helpfulness
3
Clarity

Dustman's cool once you get on his good side. FYI: he's not a fan of freshmans..so beware! Easy pre-calc teacher though..he gave me an A! =D

2
Easiness
2
Helpfulness
2
Clarity

He's very full of himself. He should explain more and sit at his desk less. Other teachers help us after the notes. Dustman just sits and tells us to work.

1
Easiness
1
Helpfulness
2
Clarity

should go on a diet. The food that he eats in class stinks

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Learn more about Chaffey High School

5-star
77%
4-star
8%
3-star
7%
2-star
2%
1-star
4%
Based on 1,411 Ratings
Chaffey High School is a public high school located in Ontario, California and part of Chaffey Joint Union High. Chaffey High School is ranked 362 in California. Learn More