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EIN 52-0822077

Washington International School (WIS)

IRS 501(c) type
501(c)(3)
Num. employees
297
City
Washington
State
District of Columbia
Year formed
1966
Most recent tax filings
2024-06-01
NTEE code, primary
B24: Elementary School
Description
Washington International School (WIS) is a coeducational independent school (private school) offering 900 students a challenging international curriculum and rich language program from Preschool through Grade 12.
Total revenues
$50,155,771
2024
Total expenses
$40,979,054
2024
Total assets
$193,138,503
2024
Num. employees
297
2024

Program areas at WIS

Co-educational day School from preschool through high School.

Who funds Washington International School (WIS)

Grants from foundations and other nonprofits
GrantmakerDescriptionAmount
Wilemal FundFor the General, Scientific Or Education Purpose$3,932,179
Hess FoundationAn Unrestricted Grant To Further the Donee's Exempt Purpose.$500,000
Sullivan Family Charitable FoundationUnrestricted$250,000
...and 24 more grants received totalling $5,520,965

Financials for WIS

RevenuesFYE 06/2024
Total grants, contributions, etc.$1,630,280
Program services$43,917,858
Investment income and dividends$3,109,176
Tax-exempt bond proceeds$0
Royalty revenue$0
Net rental income$11,475
Net gain from sale of non-inventory assets$439,646
Net income from fundraising events$-5,469
Net income from gaming activities$0
Net income from sales of inventory$0
Miscellaneous revenues$1,052,805
Total revenues$50,155,771
Data update history
June 23, 2025
Posted financials
Added Form 990 for fiscal year 2024
May 28, 2025
Updated personnel
Identified 1 new personnel
May 28, 2025
Used new vendors
Identified 4 new vendors, including , , , and
March 26, 2025
Received grants
Identified 2 new grant, including a grant for $39,928 from American Online Giving Foundation
February 26, 2025
Used new vendors
Identified 1 new vendor, including
Nonprofit Types
SchoolsK-12 schoolsCharities
Issues
Education
Characteristics
Conservation easementFundraising eventsState / local levelEndowed supportCommunity engagement / volunteeringProvides scholarshipsGala fundraisersTax deductible donationsAccepts online donations
General information
Address
3100 Macomb St NW
Washington, DC 20008
Metro area
Washington-Arlington-Alexandria, DC-VA-MD-WV
County
District of Columbia, DC
Website URL
wis.edu/ 
Phone
(202) 298-9473
Facebook page
WashingtonInternationalSchool 
Twitter profile
@wisreddevils 
IRS details
EIN
52-0822077
Fiscal year end
June
Taxreturn type
Form 990
Year formed
1966
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
B24: Elementary School
NAICS code, primary
611110: Elementary and Secondary Schools
Parent/child status
Independent
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