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Endowed Chair III
Ryan Pettengill
History · Collin College (Central Park)
Beats 95.4% of professors on The Curve. 87% of students would take this professor again.
ELO
1,643
Global rank
#78,489
of 1,701,525
Percentile
95.4%
Avg. rating
4.3
out of 5
Difficulty
2.7
out of 5
Reviews
38
Among all 1,701,525 professors
Among professors at Collin College (Central Park)