Nonprofit · EIN 04-2105842
WINSOR SCHOOL INC
Tax-exempt · BOSTON, MA 02215
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $43,443,149 | $41,935,264 | $1,507,885 | $256,707,059 | $50,679,775 | $206,027,284 |
| June 30, 2024 | 990 | $41,191,727 | $40,483,316 | $708,411 | $235,065,316 | $46,764,835 | $188,300,481 |
| June 30, 2023 | 990 | $39,776,141 | $37,336,222 | $2,439,919 | $217,791,031 | $46,102,080 | $171,688,951 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $10,078,163
- Program service revenue
- $30,346,420
- Investment income
- $2,253,555
- Net rental income
- $636,437
- Net gain from sales of assets
- $1,016,245
- Other revenue
- $765,011
Expenses
- Grants and similar amounts paid
- $5,632,895
- Compensation of officers, directors and key employees
- $1,409,024
- Other salaries and wages
- $14,979,669
- Salaries, compensation and benefits (total)
- $20,170,683
- Professional fundraising fees
- $0
- Legal fees
- $173,503
- Accounting fees
- $114,830
- Occupancy
- $1,647,948
- Depreciation
- $4,441,238
- Program services (functional)
- $31,354,314
- Management and general (functional)
- $7,581,879
- Fundraising (functional)
- $2,999,071
Balance sheet and other
- Total assets, start of year
- $235,065,316
- Total assets, end of year
- $256,707,059
- Total liabilities, end of year
- $50,679,775
- Net assets, end of year
- $206,027,284
- Land, buildings and equipment
- $93,411,665
- Publicly traded securities
- $33,111,764
- Net assets without donor restrictions
- $97,245,983
- Net assets with donor restrictions
- $108,781,301
- Gross unrelated business income
- -$83,514
- Gross receipts
- $43,468,582
- Employees
- 245
- Volunteers
- 100
- Year formed
- 1908
- State of legal domicile
- MA
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 PELMAS | HEAD OF SCHOOL Trustee or director, Officer | 50 | $627,952 | $118,863 |
| KAREN GEROMINI | CHIEF OPERATING OFFICER Officer | 40 | $311,226 | $44,487 |
| KATE M A CASPAR | ASSOCIATE HEAD OF SCHOOL Key employee | 40 | $251,338 | $19,729 |
| ERIKA MCMAHON | DIR. OF ADVANCEMENT, CAMPAIGN DIR. Highest-paid employee | 40 | $197,419 | $40,832 |
| JOHN CROMPTON | DIR. OF FACILITIES & CONSTRUCTION Highest-paid employee | 40 | $197,299 | $39,134 |
| MARTHA BROWNING | DIRECTOR OF STRATEGIC COMMUNICATIONS Highest-paid employee | 40 | $191,937 | $28,605 |
| MARCUS YOUNG | DIRECTOR OF TECHNOLOGY Highest-paid employee | 40 | $175,258 | $43,065 |
| SHARON JONES PHINNEY | HEAD OF LOWER SCHOOL Highest-paid employee | 40 | $192,298 | $19,640 |
| ALLISON KANEB PELLEGRINO | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LARRY CHENG | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LORI WHELAN | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| DAVID E GOEL | ASSISTANT TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| ELIZABETH BENNETT CARROLL | CLERK Trustee or director, Officer | 5 | $0 | $0 |
| CHRISTOPHER ANDREWS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SUSAN ALEXANDER | TRUSTEE Trustee or director | 2 | $0 | $0 |
19 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WENDY CROMWELL | TRUSTEE Trustee or director | 2 | $0 |
| PATIENCE CROZIER | TRUSTEE Trustee or director | 2 | $0 |
| JENNIFER DOLINS | TRUSTEE Trustee or director | 2 | $0 |
| LINDA DORCENA FORRY | TRUSTEE Trustee or director | 2 | $0 |
| CLAIRE PASTERNACK GOLDSMITH | TRUSTEE Trustee or director | 2 | $0 |
| MARY BETH GORDON | TRUSTEE Trustee or director | 2 | $0 |
| ASHLEY MARLENGA HERBST | TRUSTEE Trustee or director | 2 | $0 |
| RISTEARD HOGAN | TRUSTEE Trustee or director | 2 | $0 |
| DAVID HUMPHREY | TRUSTEE Trustee or director | 2 | $0 |
| SAM KENNEDY | TRUSTEE Trustee or director | 2 | $0 |
| JESSICA LUTZKER | TRUSTEE Trustee or director | 2 | $0 |
| MALLIKA MARSHALL | TRUSTEE Trustee or director | 2 | $0 |
| ELISE MCDONALD | TRUSTEE Trustee or director | 2 | $0 |
| SUZANNE RANERE NORRIS | TRUSTEE Trustee or director | 2 | $0 |
| PARESH PATEL | TRUSTEE Trustee or director | 2 | $0 |
| MARION RUSSELL | TRUSTEE Trustee or director | 2 | $0 |
| SIDRA SMITH | TRUSTEE Trustee or director | 2 | $0 |
| PERRY M TRAQUINA | TRUSTEE Trustee or director | 2 | $0 |
| EMILY LUBIN WOODS | TRUSTEE Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 36 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SARAH PELMAS | HEAD OF SCHOOL Trustee or director, Officer | 50 | $828,035 | $133,149 |
| KAREN GEROMINI | CHIEF OPERATING OFFICER Officer | 40 | $282,004 | $36,617 |
| KATE M A CASPAR | ASSOCIATE HEAD OF SCHOOL Key employee | 40 | $254,431 | $19,575 |
| JOHN CROMPTON | DIR. OF FACILITIES & CONSTRUCTION Highest-paid employee | 40 | $187,122 | $38,164 |
| ERIKA MCMAHON | DIR. OF ADVANCEMENT, CAMPAIGN DIRECTOR Highest-paid employee | 40 | $176,075 | $36,952 |
| SHARON JONES PHINNEY | HEAD OF LOWER SCHOOL Highest-paid employee | 40 | $182,881 | $21,996 |
| RICHARD BERNASCO | FORMER CFO Former | 0 | $198,780 | $0 |
| DENISE LABIENIEC | INSTITUTIONAL RESEARCHER Highest-paid employee | 40 | $181,205 | $13,928 |
| MARCUS YOUNG | DIRECTOR OF TECHNOLOGY Highest-paid employee | 40 | $178,568 | $15,781 |
| ALLISON KANEB PELLEGRINO | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LARRY CHENG | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LORI WHELAN | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| DAVID E GOEL | ASSISTANT TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| ELIZABETH BENNETT CARROLL | CLERK Trustee or director, Officer | 5 | $0 | $0 |
| CHRISTOPHER ANDREWS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| EMAN ANSARI | TRUSTEE Trustee or director | 2 | $0 | $0 |
| WENDY CROMWELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PATIENCE CROZIER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JENNIFER DOLINS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LINDA DORCENA FORRY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CLAIRE PASTERNACK GOLDSMITH | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARY BETH GORDON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ASHLEY MARLENGA HERBST | TRUSTEE Trustee or director | 2 | $0 | $0 |
| RISTEARD HOGAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DAVID HUMPHREY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SAM KENNEDY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JESSICA LUTZKER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MALLIKA MARSHALL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ELISE MCDONALD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SUZANNE RANERE NORRIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JOSEPH J O'DONNELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PARESH PATEL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARION RUSSELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KERRY SWORDS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PERRY M TRAQUINA | TRUSTEE Trustee or director | 2 | $0 | $0 |
| EMILY LUBIN WOODS | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 35 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SARAH PELMAS | HEAD OF SCHOOL Trustee or director, Officer | 50 | $599,107 | $125,359 |
| KAREN GEROMINI | CHIEF OPERATING OFFICER Officer | 40 | $249,777 | $42,640 |
| KATE M A CASPAR | ASSOCIATE HEAD OF SCHOOL Key employee | 40 | $224,094 | $17,863 |
| JOHN CROMPTON | DIR. OF FACILITIES & CONST Highest-paid employee | 40 | $182,638 | $35,310 |
| CRAIG C ALLEN | DIRECTOR OF COLLEGE COUNSEL Highest-paid employee | 40 | $176,397 | $29,782 |
| ERIKA MCMAHON | DIR. OF ADVANCEMENT, CAMPAIGN DIRECTOR Highest-paid employee | 40 | $164,657 | $37,105 |
| SHARON JONES PHINNEY | HEAD OF LOWER SCHOOL Highest-paid employee | 40 | $174,929 | $18,173 |
| AUDRA MCFARLAND | DIR. OF ADMISSIONS & FINANCIAL AID Highest-paid employee | 40 | $155,174 | $36,996 |
| ALLISON KANEB PELLEGRINO | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LARRY CHENG | VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| LORI WHELAN | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| DAVID E GOEL | ASSISTANT TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| ELIZABETH BENNETT CARROLL | CLERK Trustee or director, Officer | 5 | $0 | $0 |
| CHRISTOPHER ANDREWS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| EMAN ANSARI | TRUSTEE Trustee or director | 2 | $0 | $0 |
| WENDY CROMWELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PATIENCE CROZIER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JENNIFER DOLINS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LINDA DORCENA FORRY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARY GALLAGHER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CLAIRE PASTERNACK GOLDSMITH | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JONATHAN GOLDSTEIN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARY BETH GORDON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LISA JACKSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SAM KENNEDY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JESSICA LUTZKER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MALLIKA MARSHALL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ERICA MAYER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ELISE MCDONALD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JOSEPH J O'DONNELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PARESH PATEL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARION RUSSELL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KERRY SWORDS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PERRY M TRAQUINA | TRUSTEE Trustee or director | 2 | $0 | $0 |
| EMILY LUBIN WOODS | TRUSTEE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 103 PILGRIM RD, BOSTON, MA 02215-4142
- Principal officer (990 for 2024)
- SARAH PELMAS, 103 PILGRIM ROAD, BOSTON, MA 02215
- Signed the 990
- ELIZABETH MCNEIL, SENIOR CONTROLLER
- Phone
- (617) 735-9519
- Website
- WWW.WINSOR.EDU
- Return prepared by
- CBIZ ADVISORS LLC
Mission
OUR MISSION: THE WINSOR SCHOOL PREPARES YOUNG WOMEN TO PURSUE THEIR ASPIRATIONS AND CONTRIBUTE TO THE WORLD.
Program accomplishments
- THE WINSOR SCHOOL OFFERS A RICH AND CHALLENGING CURRICULUM TO ACADEMICALLY MOTIVATED GIRLS IN GRADES 5-12. WINSOR DEFINES CURRICULUM AS THE TOTAL CLASSROOM LEARNING EXPERIENCE FOR ALL STUDENTS. OUR CURRICULAR PHILOSOPHY IS BASED ON OUR UNDERSTANDINGS ABOUT STUDENT LEARNING, THE PEDAGOGIES WE PRACTICE IN RESPONSE TO THESE UNDERSTANDINGS, THE WAYS WE ASSESS LEARNING, AND THE QUALITIES OF CHARACTER WE ENCOURAGE OUR STUDENTS TO DEVELOP - AS WELL AS THE SKILLS AND CONTENT MORE COMMONLY ASSOCIATED WITH "CURRICULUM." OUR CURRICULUM IS A DESIGNED CONTINUUM OF DEVELOPMENTALLY APPROPRIATE LEARNING EXPERIENCES ACROSS DEPARTMENTS. WINSOR FACULTY KNOWS AND UNDERSTANDS THE CURRICULUM AND TAKES RESPONSIBILITY FOR TEACHING IT.CORE CURRICULUMTHE CORE CURRICULUM CONSISTS OF THE FOLLOWING DEPARTMENTS: MATH, ENGLISH, SCIENCE, HISTORY, WORLD LANGUAGES, PHYSICAL EDUCATION, AND PERFORMING AND VISUAL ARTS. ADDITIONALLY, STUDENTS TAKE COURSES IN STEM, HEALTH AND WELLNESS, AND LIBRARY SKILLS. OUR GRADUATION REQUIREMENTS EXCEED THE STATE REQUIREMENTS, AND PREPARE OUR STUDENTS TO SUCCEED AT THE MOST SELECTIVE COLLEGES NATIONALLY AND WORLDWIDE. STUDENTS TAKE AN AVERAGE OF 5-6 CLASSES PER SEMESTER, MEET REGULARLY WITH AN ACADEMIC ADVISOR, AND ARE SUPPORTED BY A COLLEGE COUNSELING OFFICE THAT HELPS THEM IN THE COLLEGE APPLICATION PROCESS.CO-CURRICULAR ACTIVITIESWE ALSO OFFER A WIDE VARIETY OF CO-CURRICULAR ACTIVITIES FOR BOTH UPPER AND LOWER SCHOOL INCLUDING OVER 50 DIFFERENT CLUBS, MOCK TRIAL, STUDENT GOVERNMENT, DEBATE, MODEL U.N., SCIENCE OLYMPIAD, ROBOTICS, AFTER-SCHOOL THEATRICAL PRODUCTIONS, AFTER SCHOOL MUSIC PERFORMANCE, AND MORE.ATHLETICSWITH 14 DIFFERENT SPORTS SPANNING THREE SEASONS, WINSOR STUDENTS HAVE THE OPPORTUNITY TO LEARN A NEW SPORT AND EVEN COMPETE AT THE VARSITY LEVEL DURING THEIR TIME AT WINSOR. OVER 80% OF OUR STUDENTS COMPETE IN ONE OR MORE SPORTS; FOR MOST, ATHLETICS SERVE AS A COMPLEMENT TO THE ACADEMIC EXPERIENCE, PROMOTING TEAMWORK, OFFERING CHALLENGE, AND CREATING OPPORTUNITIES FOR HEALTHY COMPETITION.Expenses $25,721,419 · revenue $31,111,431
- WINSOR BELIEVES IN ENROLLING TALENTED STUDENTS WITH GREAT POTENTIAL REGARDLESS OF THEIR FAMILIES' FINANCIAL CIRCUMSTANCES, AND AWARDS OVER $5.6 MILLION ANNUALLY IN NEED-BASED FINANCIAL AID TO MAKE THE SCHOOL FINANCIALLY ACCESSIBLE TO A RANGE OF FAMILIES. OVER 25% OF OUR STUDENTS RECEIVE NEED-BASED TUITION ASSISTANCE, WITH GRANTS COVERING FROM 5% TO 100% OF OVERALL TUITION.Expenses $5,632,895 · grants $5,632,895
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
- 04-2105842
- 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
- 1972
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B200)
- Assets (IRS master file)
- $256,707,059
- Income (IRS master file)
- $43,468,582
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $43,443,149 | $41,935,264 | $256,707,059 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $41,191,727 | $40,483,316 | $235,065,316 | IRS |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $39,776,141 | $37,336,222 | $217,791,031 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $35,378,884 | $36,724,348 | $205,428,029 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | 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 04-2105842).
Questions about WINSOR SCHOOL INC
- What is the EIN of WINSOR SCHOOL INC?
- The employer identification number (EIN) of WINSOR SCHOOL INC is 04-2105842.
- Is WINSOR SCHOOL INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1972.
- Are donations to WINSOR SCHOOL INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WINSOR 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 WINSOR 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 WINSOR 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 WINSOR SCHOOL INC?
- The 990 for the year ended June 30, 2025 names SARAH PELMAS.
- Who are the officers and directors of WINSOR SCHOOL INC?
- The 990 for the year ended June 30, 2025 lists 34 people; 8 received compensation from the organization, the highest $627,952 (SARAH PELMAS, HEAD OF SCHOOL).
- How much revenue does WINSOR SCHOOL INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $43,443,149, expenses of $41,935,264 and total assets of $256,707,059 at year end.
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