The dataset

689,747 Common Data Set numbers for 185 colleges and 1205 college-years. Every number IPEDS also reports was compared with it: 2,638 match, 279 differ (each difference classified: college filed different numbers, wrong-year filing, men/women split), 862 have no IPEDS counterpart.

Downloads

• cds_facts.csv.gz — every number, with college, year, code, label, method and verification status
• verification.csv — the IPEDS comparison, one row per checked number
• Per college and year: JSON and CSV on each college page

Columns

code is the 2025-26 Common Data Set question number (older filings are matched by meaning). method is template-key (taken exactly from the college's official spreadsheet) or llm-haiku (read from the PDF pages by Claude Haiku). verification is verified, mismatch, cds_only or empty.

Licence and citation

CC BY 4.0. Cite as: Open College Data, Common Data Set facts verified against IPEDS, 2026, https://opencollegedata.org. Source files via College Transitions; federal comparison data from IPEDS (NCES).

What is not here

Nothing from forums or Reddit. Those sources inform our own analysis only and are never published.