Williston Northampton School

Overview

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Williston Northampton School as a tax-exempt nonprofit organization exempt under Section 501(c)(3). Its Employer Identification Number is 04-1975990. Its reported mailing city is Easthampton, Massachusetts, United States. For the tax period ending June 2025, the retained IRS record reports total assets of USD 130,008,373. Reported income for that tax period is USD 49,796,079. Reported revenue for that tax period is USD 44,339,981. The reported NTEE classification code is B250. The IRS ruling year recorded in this snapshot is 1944. Original retained record: IRS Exempt Organizations Business Master File, eo1.csv, EIN 04-1975990. 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.