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Welcome to EZACU.com The database of A-Ranges at Columbia University
Definition of A-Range:

The percentage of students enrolled in a class who received an A- or better

You can search a specific course here
Results will automatically appear in the table

Due to the Free Rider Problem
we have no way to entice users to
submit their A-Ranges. So we ask
you to please help out if you can.

Submit your A-ranges
Course ID
Course Name
Professor Name
A-Range (%)
Questions? Notice weird data?
Email Moi at
Search Results
Only classes we have A-Range data for are included. Please submit your own A-Ranges to help increase our database! Note: There may be duplicates since course IDs change over time.
# Professor Course ID Course Name A-Range
Course Level
CULPA Nuggets