Nonprofit · EIN 51-0065745
TOWER HILL SCHOOL
Tax-exempt · WILMINGTON, DE 19806
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $38,165,652 | $33,143,835 | $5,021,817 | $134,541,384 | $15,618,171 | $118,923,213 |
| June 30, 2024 | 990 | $39,244,791 | $31,579,555 | $7,665,236 | $125,431,337 | $15,841,657 | $109,589,680 |
| June 30, 2023 | 990 | $39,938,027 | $29,889,324 | $10,048,703 | $116,101,299 | $16,987,665 | $99,113,634 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $4,430,830
- of which government grants
- $49,000
- Program service revenue
- $30,204,961
- Investment income
- $3,248,311
- Net gain from sales of assets
- $1,258,238
- Net income from fundraising events
- $716
- Other revenue
- $281,550
Expenses
- Grants and similar amounts paid
- $6,118,833
- Compensation of officers, directors and key employees
- $897,924
- Other salaries and wages
- $13,599,623
- Salaries, compensation and benefits (total)
- $18,014,399
- Professional fundraising fees
- $0
- Legal fees
- $83,602
- Accounting fees
- $294,210
- Occupancy
- $1,754,769
- Travel
- $421,258
- Depreciation
- $1,922,727
- Program services (functional)
- $26,197,867
- Management and general (functional)
- $5,581,892
- Fundraising (functional)
- $1,364,076
Balance sheet and other
- Total assets, start of year
- $125,431,337
- Total assets, end of year
- $134,541,384
- Total liabilities, end of year
- $15,618,171
- Net assets, end of year
- $118,923,213
- Land, buildings and equipment
- $48,770,357
- Publicly traded securities
- $71,592,825
- Net assets without donor restrictions
- $54,501,353
- Net assets with donor restrictions
- $64,421,860
- Gross receipts
- $54,571,328
- Employees
- 295
- Volunteers
- 298
- Year formed
- 1919
- 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.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SARAH BAKER | HEAD OF SCHOOL Officer | 40 | $409,255 | $51,993 |
| ERIC NORMAN | CFO (THRU 9/25) Officer | 40 | $298,543 | $41,266 |
| KRISTIN MUMFORD | DIRECTOR OF ADMISSIONS/ADVANCEMENT Highest-paid employee | 40 | $240,865 | $51,434 |
| LINDSAY ACEVADO | DIRECTOR OF COLLEGE COUNSELING Highest-paid employee | 40 | $164,486 | $20,868 |
| AMY BICKHART | HEAD OF LOWER SCHOOL Highest-paid employee | 40 | $125,127 | $38,312 |
| MATTHEW TWYMAN | DIR OF UPPER SCH ADMIS AND FINL AID Highest-paid employee | 40 | $122,286 | $9,669 |
| ANTHONY PISAPIA THRU 7623 | FORMER ASSOC HEAD OF SCHOOL Former | 0 | $130,000 | $0 |
| JOHN TCHINNIS | DIRECTOR OF FACILITIES Highest-paid employee | 40 | $116,467 | $11,203 |
| BEN DU PONT | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| JOHN M FLYNN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MARNA WHITTINGTON | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SUZANNE ASHLEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KIMBERLY CASSIDY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| REGIS DE RAMEL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ROBERT V DESANTIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
15 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN GAVENONIS | TRUSTEE Trustee or director | 2 | $0 |
| LAIRD HAYWARD | TRUSTEE Trustee or director | 2 | $0 |
| HENRY MELLON | TRUSTEE Trustee or director | 2 | $0 |
| CATHERINE L MILLER | TRUSTEE Trustee or director | 2 | $0 |
| DAVID NOWLAND | TRUSTEE Trustee or director | 2 | $0 |
| LISA A OLSON | TRUSTEE Trustee or director | 2 | $0 |
| J MATHIEU PLUMB | TRUSTEE Trustee or director | 2 | $0 |
| LOGAN READ | TRUSTEE Trustee or director | 2 | $0 |
| SONAL SHEPPARD | TRUSTEE Trustee or director | 2 | $0 |
| ISABELLA SPEAKMAN TIMON | TRUSTEE Trustee or director | 2 | $0 |
| GENELLE TRADER | TRUSTEE Trustee or director | 2 | $0 |
| CARMEN WALLACE | TRUSTEE Trustee or director | 2 | $0 |
| GINA WARD | TRUSTEE Trustee or director | 2 | $0 |
| MARK BUSSARD | TRUSTEE Trustee or director | 2 | $0 |
| RODNEY MORRISON | TRUSTEE Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 29 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELIZABETH SPEERS | FORMER HEAD OF SCHOOL (THRU 6/30/23) Former | 0 | $304,290 | $38,007 |
| ERIC NORMAN | CFO Officer | 40 | $279,432 | $35,010 |
| KRISTIN MUMFORD | DIRECTOR OF ADMISSIONS/ADVANCEMENT Highest-paid employee | 40 | $239,802 | $50,553 |
| ANTHONY PISAPIA | ASSOC HEAD OF SCHOOL (THRU 7/6/23) Highest-paid employee | 0 | $254,215 | $29,920 |
| SARAH BAKER | HEAD OF SCHOOL Officer | 40 | $226,195 | $36,508 |
| AMY BICKHART | HEAD OF LOWER SCHOOL Highest-paid employee | 40 | $117,790 | $37,706 |
| LINDSAY ACEVADO | DIRECTOR OF COLLEGE COUNSELING Highest-paid employee | 40 | $131,150 | $16,874 |
| KAREN GRAHAM | DIR OF FINANCE AND HR Highest-paid employee | 40 | $134,177 | $10,646 |
| BEN DU PONT | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| JOHN M FLYNN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MARNA WHITTINGTON | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SUZANNE ASHLEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KIMBERLY CASSIDY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| REGIS DE RAMEL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ROBERT V DESANTIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HEATHER RICHARDS EVANS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JOHN GAVENONIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LAIRD HAYWARD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HENRY MELLON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CATHERINE L MILLER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DAVID NOWLAND | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LISA A OLSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| J MATHIEU PLUMB | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LOGAN READ | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SONAL SHEPPARD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ISABELLA SPEAKMAN TIMON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| GENELLE TRADER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CARMEN WALLACE | TRUSTEE Trustee or director | 2 | $0 | $0 |
| GINA WARD | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 28 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELIZABETH SPEERS | HEAD OF SCHOOL (THRU 6/30/23) Officer | 40 | $501,291 | $40,038 |
| ERIC NORMAN | CFO Officer | 40 | $232,501 | $30,992 |
| ANTHONY PISAPIA | ASSOCIATE HEAD OF SCHOOL Highest-paid employee | 40 | $212,018 | $41,243 |
| KRISTIN MUMFORD | DIRECTOR OF ADMISSIONS/ADVANCEMENT Highest-paid employee | 40 | $189,332 | $39,089 |
| LINDSAY ACEVADO | DIRECTOR OF COLLEGE COUNSELING Highest-paid employee | 40 | $130,358 | $15,587 |
| SARAH BAKER | HEAD OF SCHOOL (EFFECTIVE 7/1/23) Highest-paid employee | 40 | $115,208 | $24,321 |
| KAREN GRAHAM | DIR OF FINANCE AND HR Highest-paid employee | 40 | $123,552 | $5,967 |
| BEN DU PONT | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| JOHN M FLYNN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MARNA WHITTINGTON | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SUZANNE ASHLEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KIMBERLY CASSIDY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| REGIS DE RAMEL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ROBERT V DESANTIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HEATHER RICHARDS EVANS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JOHN GAVENONIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LAIRD HAYWARD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DR ERIC JOHNSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HENRY MELLON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CATHERINE L MILLER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DAVID NOWLAND | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LISA A OLSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| J MATHIEU PLUMB | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEN SIMPLER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ISBELLA SPEAKMAN TIMON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| GENELLE TRADER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CARMEN WALLACE | TRUSTEE Trustee or director | 2 | $0 | $0 |
| GINA WARD | TRUSTEE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 2813 W 17TH ST, WILMINGTON, DE 19806-1112
- In care of
- % ATTENTION BUSINESS MANAGER
- Principal officer (990 for 2024)
- SARAH BAKER, 2813 WEST 17TH STREET, WILMINGTON, DE 19806
- Signed the 990
- JEFF KOSS, CFO
- Phone
- (302) 657-8360
- Website
- WWW.TOWERHILL.ORG
- Return prepared by
- EISNER ADVISORY GROUP LLC
Mission
TOWER HILL SCHOOL PREPARES STUDENTS FROM DIVERSE BACKGROUNDS FOR FULL AND CREATIVE ENGAGEMENT WITH A DYNAMIC WORLD. EACH STUDENT IS PROVIDED WITH AN EDUCATIONAL EXPERIENCE THAT EMPHASIZES THE DEVELOPMENT OF AN INQUISITIVE, DISCERNING AND CRITICAL MIND; THE VALUE OF BEING CREATIVE AND AESTHETICALLY SENSITIVE; THE APPRECIATION OF PHYSICAL WELL-BEING; THE ABILITY TO COLLABORATE AND FUNCTION AS PART OF A TEAM; AND THE GROWTH OF CHARACTER.
Program accomplishments
- EDUCATIONAL PROGRAMS - TOWER HILL IS A CO-EDUCATIONAL INDEPENDENT SCHOOL WITH 867 STUDENTS FROM 3 YEARS OLD THROUGH GRADE 12 IN 2024-2025 (293 LOWER SCHOOL, 252 MIDDLE SCHOOL, 322 UPPER SCHOOL). THE SCHOOL PROVIDES AN ENRICHED AND CHALLENGING COLLEGE PREPARATORY PROGRAM IN WHICH EACH STUDENT'S ABILITIES AND TALENTS ARE RECOGNIZED AND RESPECTED. THE PROGRAM OFFERS A PERSONALIZED AND INNOVATIVE APPROACH, BUILT ON A STRONG TRADITIONAL FOUNDATION WITHIN A WELCOMING AND INCLUSIVE COMMUNITY. TOWER HILL GRADUATED 85 STUDENTS IN THE CLASS OF 2025. MEMBERS OF THIS CLASS ARE ATTENDING: AMERICAN MUSICAL AND DRAMATIC ACADEMY, AMERICAN UNIVERSITY, ARIZONA STATE UNIVERSITY, AUBURN UNIVERSITY, BOSTON COLLEGE, BROWN UNIVERSITY, BUCKNELL UNIVERSITY, CARLETON COLLEGE, COLBY COLLEGE, COLORADO COLLEGE, COLUMBIA UNIVERSITY, DESALES UNIVERSITY, DREXEL UNIVERSITY, ELON UNIVERSITY, EMORY UNIVERSITY, FLAGLER COLLEGE, FORDHAM UNIVERSITY, GEORGETOWN UNIVERSITY, HAMILTON COLLEGE, LA SALLE UNIVERSITY, MIDDLEBURY COLLEGE, NEW JERSEY INSTITUTE OF TECHNOLOGY, NEW YORK UNIVERSITY, NORTHEASTERN UNIVERSITY, PENN STATE UNIVERSITY (UNIVERSITY PARK), PRINCETON UNIVERSITY, PURDUE UNIVERSITY, RENSSELAER POLYTECHNIC INSTITUTE, SACRED HEART UNIVERSITY, SAVANNAH COLLEGE OF ART AND DESIGN, SEWANEE: THE UNIVERSITY OF THE SOUTH, SMITH COLLEGE, SWARTHMORE COLLEGE, SYRACUSE UNIVERSITY, TEXAS CHRISTIAN UNIVERSITY, THE UNIVERSITY OF TAMPA, THE UNIVERSITY OF TENNESSEE (KNOXVILLE), TUFTS UNIVERSITY, UNIVERSITY OF CALIFORNIA (LOS ANGELES), UNIVERSITY OF CALIFORNIA (SAN DIEGO), UNIVERSITY OF DELAWARE, UNIVERSITY OF MARYLAND, UNIVERSITY OF MIAMI, UNIVERSITY OF MICHIGAN, UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, UNIVERSITY OF NOTRE DAME, UNIVERSITY OF PENNSYLVANIA, UNIVERSITY OF PITTSBURGH, UNIVERSITY OF RICHMOND, UNIVERSITY OF SOUTH FLORIDA, UNIVERSITY OF WISCONSIN (MADISON), WAKE FOREST UNIVERSITY, WASHINGTON AND LEE UNIVERSITY, AND WILLIAM & MARY.Expenses $25,667,873 · grants $6,118,833 · revenue $29,701,527
- AFTER SCHOOL PROGRAM - THE KALEIDOSCOPE AFTER SCHOOL PROGRAM SERVES STUDENTS AGE 3 THROUGH 6 EVERY SCHOOL DAY FROM 2:45 TO 6:00PM. THIS PROGRAM PROVIDES A CONTINUATION OF THE ATTENTION AND GUIDANCE THEY RECEIVE IN TOWER HILL'S CLASSROOMS, BUT IN A MORE HOME-LIKE SETTING. SUPERVISED HOMEWORK TIME, INSIDE PLAY, OUTDOOR SPORTS AND AGE-APPROPRIATE ACTIVITIES GIVE STUDENT THE CHANCE TO FULFILL THEIR RESPONSIBILITIES AND GIVE THEIR IMAGINATIONS A WORKOUT TOO. ENRICHMENT OFFERING INCLUDE PROGRAMS SUCH AS CHINESE, DRAMA, CHESS, SEWING, GOLF, KARATE, DANCE, SOCCER AND TENNIS, AMONG OTHERS.Expenses $310,361 · revenue $410,400
- SUMMER CAMP PROGRAM -SUMMER AT TOWER HILL PROVIDES EXCITING ACADEMIC AND ENRICHMENT ACTIVITIES, PLUS A FULL RANGE OF ATHLETIC CAMPS IN DIFFERENT AGE GROUPS. DAY CAMP PROVIDES WEEKLY THEMES WITH SPECIAL GUESTS AND/OR FIELD TRIPS, SWIMMING OR WATER PLAY. ENRICHMENT CAMPS BROADEN CHILDREN'S ARTISTIC AND ACADEMIC HORIZONS IN NEW WAYS. SPORTS CAMPS ARE RUN BY TOWER HILL COACHES AND OUTSIDE PARTNER ORGANIZATIONS FOR BUDDING ATHLETES. SUMMER AT TOWER HILL ALSO INTRODUCES PROSPECTIVE STUDENT TO TOWER HILL'S EXPANSIVE FACILITIES.Expenses $219,633 · revenue $373,868
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 51-0065745
- 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)
- $134,541,384
- Income (IRS master file)
- $54,571,328
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $38,165,652 | $33,143,835 | $134,541,384 | IRS |
| 990 | June 2024 | $39,244,791 | $31,579,555 | $125,431,337 | IRS |
| 990 | June 2023 | $39,938,027 | $29,889,324 | $116,101,299 | XML |
| 990 | June 2022 | $33,725,781 | $28,787,692 | $106,938,816 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 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 51-0065745).
Questions about TOWER HILL SCHOOL
- What is the EIN of TOWER HILL SCHOOL?
- The employer identification number (EIN) of TOWER HILL SCHOOL is 51-0065745.
- Is TOWER HILL SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1957.
- Are donations to TOWER HILL SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TOWER HILL SCHOOL 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 TOWER HILL SCHOOL 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 TOWER HILL SCHOOL 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 TOWER HILL SCHOOL?
- The 990 for the year ended June 30, 2025 names SARAH BAKER.
- Who are the officers and directors of TOWER HILL SCHOOL?
- The 990 for the year ended June 30, 2025 lists 30 people; 8 received compensation from the organization, the highest $409,255 (SARAH BAKER, HEAD OF SCHOOL).
- How much revenue does TOWER HILL SCHOOL have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $38,165,652, expenses of $33,143,835 and total assets of $134,541,384 at year end.
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