Columbia Grammar & Preparatory School

Overview

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Columbia Grammar & Preparatory School as a tax-exempt nonprofit organization exempt under Section 501(c)(3). Its Employer Identification Number is 13-0590970. Its reported mailing city is New York, New York, United States. For the tax period ending June 2025, the retained IRS record reports total assets of USD 164,375,517. Reported income for that tax period is USD 211,824,893. Reported revenue for that tax period is USD 92,869,231. The reported NTEE classification code is B200. The IRS ruling year recorded in this snapshot is 1941. Original retained record: IRS Exempt Organizations Business Master File, eo1.csv, EIN 13-0590970. Total assets are balance-sheet assets, not assets under management. These are dated IRS records; they do not establish current finances or a present investment mandate.