Mary Jo Ondrechen — Ratings & Reviews (Northeastern University)

Mary Jo Ondrechen is a Chemistry professor at Northeastern University rated 3.84/5 by 68 students, with 3.48/5 difficulty (TRACE + RateMyProfessors + Reddit, updated July 2026).

Mary Jo Ondrechen professor reviews and ratings: 3.84/5 from 68 student reviews at Northeastern. TRACE + RateMyProfessor + Reddit.

Average rating: 3.84/5
Total ratings: 68
Difficulty: 3.48/5
RateMyProfessor rating: 4.3
TRACE rating: 3.37
TRACE reviews: 180
RateMyProfessor reviews: 5

Courses taught

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Student reviews

Very helpful.CHEM5638 2013-04-08 23:51:54 +0000 UTC

No CommentsPCHEMCHM3 2008-05-06 13:30:35 +0000 UTC

Actually makes chem understandable. Very helpful outside of class. Answers questions clearly. I failed this class with a diferent teacher but got an A with herCHEM101 2005-02-18 17:04:09 +0000 UTC

she is very intimidating, but lectures are very good and helpfulQUANTUMCHU4 2005-01-03 10:48:07 +0000 UTC

Molecular modelling - a lecture & lab course with no tests. She is willing to meet & answer Qs in the evening. Very helpful. Interesting labs.CHEM5638 2012-04-19 00:23:38 +0000 UTC

Frequently asked questions

Is Mary Jo Ondrechen a good professor?

Mary Jo Ondrechen has an average rating of 3.84/5 from 68 student reviews.

How hard are Mary Jo Ondrechen's classes?

Mary Jo Ondrechen's classes have a difficulty rating of 3.48/5 based on student reviews.

What courses does Mary Jo Ondrechen teach at Northeastern?

Mary Jo Ondrechen has taught CHEM5638, CHEM3403 at Northeastern.

Data updated July 2026.

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