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Nonprofit · EIN 51-0071443

TATNALL SCHOOL INC

Tax-exempt · WILMINGTON, DE 19807

Financials

$18.9M$20.2M2022$17.9M$21.4M2023$18.9M$22.8M2024
Revenue Expenses · by fiscal year end
Financials of TATNALL SCHOOL INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$18,921,065$22,771,835-$3,850,770$44,631,880$4,206,407$40,425,473
June 30, 2024990$17,886,713$21,426,800-$3,540,087$46,926,803$4,044,252$42,882,551
June 30, 2023990$18,879,153$20,193,016-$1,313,863$48,276,027$3,693,934$44,582,093
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$1,000,634
Program service revenue
$16,352,185
Investment income
$1,289,401
Net rental income
$278,845
Net gain from sales of assets
$731,458
Other revenue
$278,845

Expenses

Grants and similar amounts paid
$5,081,107
Compensation of officers, directors and key employees
$717,710
Other salaries and wages
$7,956,217
Salaries, compensation and benefits (total)
$12,125,953
Professional fundraising fees
$0
Legal fees
$52,015
Occupancy
$916,756
Travel
$165,238
Depreciation
$1,302,870
Program services (functional)
$18,210,916
Management and general (functional)
$3,852,669
Fundraising (functional)
$708,250

Balance sheet and other

Total assets, start of year
$46,926,803
Total assets, end of year
$44,631,880
Total liabilities, end of year
$4,206,407
Net assets, end of year
$40,425,473
Land, buildings and equipment
$17,870,534
Publicly traded securities
$22,136,600
Net assets without donor restrictions
$16,092,848
Net assets with donor restrictions
$24,332,625
Gross receipts
$27,152,041
Employees
247
Volunteers
150
Year formed
1930
State of legal domicile
DE

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
ANDREW MARTIREHEAD OF SCHOOL
Officer
40$417,164$54,940
KYLE LEWISCFO
Officer
40$193,750$43,098
BRENDAN MINNIHANHEAD OF MIDDLE SCHOOL
Highest-paid employee
40$138,625$30,507
KIMBERLY WAGNERHEAD OF LOWER SCHOOL
Highest-paid employee
40$136,055$25,658
WILLIAM SCHLUTERHEAD OF UPPER SCHOOL
Highest-paid employee
40$126,250$11,261
PATRICK MANAHANDIRECTOR OF ADVANCEMENT
Highest-paid employee
40$125,000$5,863
ALISSA MCGRISKENDIRECTOR OF ENROLLMENT
Highest-paid employee
40$115,250$5,286
ABBY MROZINSKIPRESIDENT
Trustee or director, Officer
1$0$0
CHRIS DANIELSTRUSTEE
Trustee or director
1$0$0
GEORDIE HAYWARDTREASURER
Trustee or director, Officer
1$0$0
GREG WERKHEISERTRUSTEE
Trustee or director
1$0$0
DAVID LEY HAMILTONTRUSTEE
Trustee or director
1$0$0
SARAH BAYLINTRUSTEE
Trustee or director
1$0$0
JONATHAN SILVERTRUSTEE
Trustee or director
1$0$0
DAN COOKTRUSTEE
Trustee or director
1$0$0
8 more people on this return
NameTitleHours / weekCompensation
KEITH MORTONTRUSTEE
Trustee or director
1$0
JULEE SCHWIEGERSECRETARY
Trustee or director, Officer
1$0
PAM POLITISTRUSTEE
Trustee or director
1$0
LONI TABBTRUSTEE
Trustee or director
1$0
VINCE WATCHORNTRUSTEE
Trustee or director
1$0
SALLY VEGHTETRUSTEE
Trustee or director
1$0
BONNIE WUVICE PRESIDENT
Trustee or director, Officer
1$0
CAROLINE MCILVAINTRUSTEE
Trustee or director
1$0
990 for the year ended June 30, 2024: 25 people
NameTitleHours / weekCompensationOther / benefits
ANDREW MARTIREHEAD OF SCHOOL
Officer
40$409,925$48,437
BRENDAN MINNIHANHEAD OF MIDDLE SCHOOL
Highest-paid employee
40$135,625$28,602
KYLE LEWISCFO
Officer
40$119,715$24,906
ANGELO FONTANAZZADIRECTOR OF OPERATIONS
Highest-paid employee
40$110,347$24,401
WILLIAM SCHLUTERHEAD OF UPPER SCHOOL
Highest-paid employee
40$121,625$10,852
PATRICK CASTAGNOTEACHER
Highest-paid employee
40$104,566$21,782
PATRICK MANAHANDIRECTOR OF ADVANCEMENT
Highest-paid employee
40$120,500$4,743
ABBY MROZINSKIVICE PRESIDENT
Trustee or director, Officer
1$0$0
CHRIS DANIELSPRESIDENT
Trustee or director, Officer
1$0$0
GEORDIE HAYWARDTREASURER
Trustee or director, Officer
1$0$0
GREG WERKHEISERTRUSTEE
Trustee or director
1$0$0
DAVID LEY HAMILTONTRUSTEE
Trustee or director
1$0$0
SARAH BAYLINTRUSTEE
Trustee or director
1$0$0
JONATHAN SILVERTRUSTEE
Trustee or director
1$0$0
DAVID T WOODSTRUSTEE
Trustee or director
1$0$0
TERRI YOUNGTRUSTEE
Trustee or director
1$0$0
KEITH MORTONTRUSTEE
Trustee or director
1$0$0
JULEE SCHWIEGERTRUSTEE
Trustee or director
1$0$0
CAROLINE TATNALL KETCHAMTRUSTEE
Trustee or director
1$0$0
PAM POLITISTRUSTEE
Trustee or director
1$0$0
LONI TABBTRUSTEE
Trustee or director
1$0$0
VINCE WATCHORNTRUSTEE
Trustee or director
1$0$0
SALLY VEGHTETRUSTEE
Trustee or director
1$0$0
BONNIE WUSECRETARY
Trustee or director, Officer
1$0$0
CAROLINE MCILVAINTRUSTEE
Trustee or director
1$0$0
990 for the year ended June 30, 2023: 24 people
NameTitleHours / weekCompensationOther / benefits
ANDREW MARTIREHEAD OF SCHOOL
Officer
40$366,970$52,534
PAULA HAGERBUSINESS MANAGER (THROUGH 03/2023)
Officer
40$182,871$52,160
BRENDAN MINNIHANMIDDLE SCHOOL HEAD
Highest-paid employee
40$126,602$27,792
WILLIAM SCHLUTERUPPER SCHOOL HEAD
Highest-paid employee
40$113,425$37,012
TALIA TITUSDIRECTOR OF ENROLLMENT
Highest-paid employee
40$118,750$25,603
ANGELO FONTANAZZADIRECTOR OF OPERATIONS
Highest-paid employee
40$105,428$26,693
PATRICK MANAHANDIRECTOR OF ADVANCEMENT
Highest-paid employee
40$116,518$4,074
ABBY MROZINSKIVICE PRESIDENT
Trustee or director, Officer
1$0$0
CHRIS DANIELSPRESIDENT
Trustee or director, Officer
1$0$0
GEORDIE HAYWARDTREASURER
Trustee or director, Officer
1$0$0
GREG WERKHEISERTRUSTEE
Trustee or director
1$0$0
DAVID LEY HAMILTONTRUSTEE
Trustee or director
1$0$0
SARAH BAYLINTRUSTEE
Trustee or director
1$0$0
JONATHAN SILVERTRUSTEE
Trustee or director
1$0$0
DAVID T WOODSTRUSTEE
Trustee or director
1$0$0
TERRI YOUNGTRUSTEE
Trustee or director
1$0$0
KEITH MORTONTRUSTEE
Trustee or director
1$0$0
STEPHEN MARVINTRUSTEE
Trustee or director
1$0$0
CAROLINE TATNALL KETCHAMTRUSTEE
Trustee or director
1$0$0
PAM POLITISTRUSTEE
Trustee or director
1$0$0
LONI TABBTRUSTEE
Trustee or director
1$0$0
VINCE WATCHORNTRUSTEE
Trustee or director
1$0$0
SALLY VEGHTETRUSTEE
Trustee or director
1$0$0
BONNIE WUSECRETARY
Trustee or director, Officer
1$0$0

Address and contacts

Address (IRS master file)
1501 BARLEY MILL RD, WILMINGTON, DE 19807-2299
Principal officer (990 for 2024)
KYLE LEWIS, 1501 BARLEY MILL ROAD, WILMINGTON, DE 19807
Signed the 990
KYLE LEWIS, CHIEF FINANCIAL OFFICER
Phone
(302) 998-2292
Return prepared by
BELFINT LYONS & SHUMAN PA

Mission

TATNALL INSPIRES THE JOYFUL PURSUIT OF EXCELLENCE. WE VALUE CURIOSITY, WE FOSTER PERSEVERANCE, AND WE CULTIVATE CITIZENSHIP - ALL TO ENGAGE THE WORLD WITH COMMITMENT AND INTEGRITY.

990 for the year ended June 30, 2025

Program accomplishments

  • THE ORGANIZATION CONDUCTS AN EDUCATIONAL INSTITUTION WHICH IS CO-EDUCATIONAL FOR 520 STUDENTS FROM PK3 THROUGH TWELFTH GRADE.
    Expenses $18,210,916 · grants $5,081,107 · revenue $16,352,185

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
51-0071443
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
School
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1957
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B200)
Assets (IRS master file)
$44,631,880
Income (IRS master file)
$27,152,041

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$18,921,065$22,771,835$44,631,880IRS
990June 2024$17,886,713$21,426,800$46,926,803IRS
990June 2023$18,879,153$20,193,016$48,276,027XML
990June 2022–––IRS
990June 2021–––IRS
990June 2019–––IRS
990June 2018–––IRS

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 51-0071443).

Questions about TATNALL SCHOOL INC

What is the EIN of TATNALL SCHOOL INC?
The employer identification number (EIN) of TATNALL SCHOOL INC is 51-0071443.
Is TATNALL SCHOOL INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1957.
Are donations to TATNALL SCHOOL INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does TATNALL SCHOOL INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of TATNALL SCHOOL INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did TATNALL SCHOOL INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of TATNALL SCHOOL INC?
The 990 for the year ended June 30, 2025 names KYLE LEWIS.
Who are the officers and directors of TATNALL SCHOOL INC?
The 990 for the year ended June 30, 2025 lists 23 people; 7 received compensation from the organization, the highest $417,164 (ANDREW MARTIRE, HEAD OF SCHOOL).
How much revenue does TATNALL SCHOOL INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $18,921,065, expenses of $22,771,835 and total assets of $44,631,880 at year end.

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