Mary Jo Ondrechen — Ratings & Reviews (Northeastern University)

Mary Jo Ondrechen is a Chemistry professor at Northeastern University rated 4.60/5 on Rate My Professors by 5 students, with 3.4/5 RMP difficulty (RateMyProfessors + Reddit, updated October 2026).

Mary Jo Ondrechen professor reviews and ratings: 4.60/5 from 5 RMP ratings at Northeastern. RateMyProfessor + Reddit.

Rate My Professors rating

4.60/5

Rate My Professors ratings

5

Difficulty (RMP)

3.4/5

RateMyProfessor reviews

5

Courses taught

• CHEM5638

More Chemistry professors at Northeastern

• Sadie Piatt (1.52/5)
• Jude Mathews (4.19/5)
• Vasiliki Lykourinou (2.42/5)
• Ken Chung (3.59/5)
• Christopher Toher (3.71/5)
• Geoff Davies (3.44/5)
• Kelley Danahy (3.54/5)
• Leonel Murga (3.19/5)

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 is rated 4.60/5 on Rate My Professors from 5 ratings.

How hard are Mary Jo Ondrechen's classes?

Mary Jo Ondrechen's classes have a difficulty rating of 3.4/5 on Rate My Professors.

What courses does Mary Jo Ondrechen teach at Northeastern?

Mary Jo Ondrechen has taught CHEM5638 at Northeastern.

Data updated October 2026.

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