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Collin O'Neil

Lehman College professor

Chill Rank and student ratings

Chill Rank 2 of 5: Easy?Easy: easier than most

Overall
4.0/5
Difficulty
2.8/5
Would take again
90%

From 14 student ratings on Rate My Professors. The Chill Rank weighs difficulty most; here is how it works.

Fall 2026 sections taught by Collin O'Neil