Skip to main content

Nonprofit · EIN 39-3642024

CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP

Also known as CC79

Tax-exempt · WASHINGTON, DC 20011

Address and contacts

Address (IRS master file)
525 LONGFELLOW ST NW UNIT 1, WASHINGTON, DC 20011-3013
In care of
% ROBIN DUNKINS
Mailing address (990-N for 2025)
525 Longfellow ST NW Unit 1, Washington DC 20011
Principal officer (990-N for 2025)
Robin Dunkins, 2846 Crestscene Trl, Raleigh NC 27603

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025Check at the IRS
2023December 31, 2023May 15, 2024Check at the IRS

IRS record

EIN
39-3642024
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2025
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B12)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Robin Dunkins
December 31, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 39-3642024).

Questions about CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP

What is the EIN of CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP?
The employer identification number (EIN) of CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP is 39-3642024.
Is CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
Are donations to CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of CALVIN COOLIDGE HIGH SCHOOL CLASS OF 1979 ALUMNI GROUP?
The 990-N for 2025 names Robin Dunkins.

Other nonprofits in WASHINGTON

All nonprofits in WASHINGTON · District of Columbia · Education