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Professor III
Robert Grubaugh
Mathematics · Portland Community College
Beats 68.8% of professors on The Curve.
ELO
1,547
Global rank
#531,410
of 1,701,525
Percentile
68.8%
Avg. rating
3.7
out of 5
Difficulty
1.5
out of 5
Reviews
10
Among all 1,701,525 professors
Among professors at Portland Community College