Nonprofit · EIN 04-2385120
LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC
Tax-exempt · CAMBRIDGE, MA 02140
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $25,719,539 | $25,431,615 | $287,924 | $45,632,693 | $31,873,863 | $13,758,830 |
| June 30, 2024 | 990 | $23,943,574 | $22,916,436 | $1,027,138 | $46,800,324 | $33,410,070 | $13,390,254 |
| June 30, 2023 | 990 | $24,069,577 | $21,988,460 | $2,081,117 | $44,839,695 | $32,504,387 | $12,335,308 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $425,627
- Program service revenue
- $24,830,772
- Investment income
- $472,422
- Net gain from sales of assets
- $18,253
- Net income from fundraising events
- -$9,282
- Other revenue
- -$9,282
Expenses
- Grants and similar amounts paid
- $2,420,947
- Compensation of officers, directors and key employees
- $608,764
- Other salaries and wages
- $12,889,587
- Salaries, compensation and benefits (total)
- $16,074,587
- Professional fundraising fees
- $0
- Legal fees
- $72,093
- Accounting fees
- $73,292
- Occupancy
- $606,748
- Travel
- $50,368
- Depreciation
- $940,945
- Program services (functional)
- $20,294,559
- Management and general (functional)
- $4,588,297
- Fundraising (functional)
- $548,759
Balance sheet and other
- Total assets, start of year
- $46,800,324
- Total assets, end of year
- $45,632,693
- Total liabilities, end of year
- $31,873,863
- Net assets, end of year
- $13,758,830
- Land, buildings and equipment
- $20,413,289
- Publicly traded securities
- $275,411
- Net assets without donor restrictions
- $13,676,694
- Net assets with donor restrictions
- $82,136
- Gross receipts
- $26,965,057
- Employees
- 229
- Volunteers
- 24
- Year formed
- 1964
- 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 |
|---|---|---|---|---|
| RICHARD ULFFERS | HEAD OF SCHOOL Officer | 40 | $379,759 | $17,437 |
| ISABELLE PRAUD | CHIEF FINANCIAL OFFICER Officer | 40 | $213,576 | $33,853 |
| MEHDI LAZAR | ASSISTANT OF HEAD OF SCHOOL Highest-paid employee | 40 | $189,034 | $36,760 |
| ANDREA GOSSELIN | DIRECTOR OF STRATEGIC ENGAGEMENT Highest-paid employee | 40 | $166,778 | $10,070 |
| CHRISTINE MARIE BRANDEBOURGER BODET | ELEMENTARY SCHOOL DIRECTOR Highest-paid employee | 40 | $142,054 | $11,062 |
| JOYCE MARIE LATAPIE | SECONDARY SCHOOL DIRECTOR Highest-paid employee | 40 | $136,586 | $9,314 |
| GINGER GARCIA | SECONDARY SCHOOL TEACHER Highest-paid employee | 40 | $138,986 | $6,749 |
| FLORENCE BOURGEOIS | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| FAWZI BENGHAZOU | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| KAREN BOMMART | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MAGGIE CAPELLE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HELEN COLQUHON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ELIZABETH DE MONTRICHARD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NATHALIE DUCREST | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LOUISE FRIEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
12 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PATRICK HAMILTON | TRUSTEE Trustee or director | 1 | $0 |
| PIERRE NDIAYE | TRUSTEE Trustee or director | 1 | $0 |
| RENE ROBERT | TRUSTEE Trustee or director | 1 | $0 |
| MARY ANN SOREL | TRUSTEE Trustee or director | 1 | $0 |
| PHILIPPE SUHAS | TRUSTEE Trustee or director | 1 | $0 |
| CHADI TANNOURY | TRUSTEE Trustee or director | 1 | $0 |
| ERIC THOMPSON | TRUSTEE Trustee or director | 1 | $0 |
| MURIEL MEDARD | TREASURER END JUNE Trustee or director, Officer | 1 | $0 |
| SANDRA VREJAN | TRUSTEE END JUNE Trustee or director | 1 | $0 |
| BRANDON BERGER | TRUSTEE END JUNE Trustee or director | 1 | $0 |
| EUNICE CHAPON | TRUSTEE END JUNE Trustee or director | 1 | $0 |
| MUSTAFA SOYKURT | CONSUL GENERAL, EX OFFICIO Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 22 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RICHARD ULFFERS | HEAD OF SCHOOL Officer | 40 | $334,416 | $16,344 |
| ISABELLE PRAUD | CHIEF FINANCIAL OFFICER Officer | 40 | $202,177 | $19,347 |
| MEHDI LAZAR | ASSISTANT OF HEAD OF SCHOOL Highest-paid employee | 40 | $186,836 | $18,162 |
| PHILIPPE CARON-AUDET | SECONDARY SCHOOL DIRECTOR Highest-paid employee | 40 | $164,188 | $9,923 |
| GINGER GARCIA | MIDDLE SCHOOL ADMINISTRATOR Highest-paid employee | 40 | $129,729 | $6,499 |
| SAM RODGER | IT DIRECTOR Highest-paid employee | 40 | $132,325 | $3,007 |
| ANDREA GOSSELIN | DEVELOPMENT Highest-paid employee | 40 | $128,865 | $3,769 |
| PHILIPPE SUHAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FLORENCE BOURGEOIS | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| PATRICK HAMILTON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MURIEL MEDARD | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| SANDRA VREJAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RENE ROBERT | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ERIC THOMPSON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BRANDON BERGER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| EUNICE CHAPON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHADI TANNOURY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARY ANN SOREL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MUSTAPHA SOYKURT | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NATHALIE DUCREST | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FAWZI BENGHAZOU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LOUISE FRIEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 19 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RICHARD ULFFERS | HEAD OF SCHOOL Officer | 40 | $327,312 | $26,324 |
| ISABELLE PRAUD | CHIEF FINANCIAL OFFICER Officer | 40 | $190,101 | $39,203 |
| MEHDI LAZAR | ASSISTANT OF HEAD OF SCHOOL Highest-paid employee | 40 | $165,196 | $26,038 |
| PHILIPPE CARON-AUDET | SECONDARY SCHOOL DIRECTOR Highest-paid employee | 40 | $157,823 | $20,228 |
| SAM RODGER | IT DIRECTOR Highest-paid employee | 40 | $124,241 | $16,213 |
| CATHERINE MARIE BASTIEN | EXTRACURRICULAR DIRECTOR Highest-paid employee | 40 | $109,244 | $26,960 |
| LUCY JANE PELHAM | ADMISSIONS DIRECTOR Highest-paid employee | 40 | $118,183 | $8,784 |
| PHILIPPE SUHAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FLORENCE BOURGEOIS | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| PATRICK HAMILTON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MURIEL MEDARD | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| SANDRA VREJAN | CLERK Trustee or director, Officer | 1 | $0 | $0 |
| RENE ROBERT | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JEREMY WOHLWEND | ISB ALUMNUS Trustee or director | 1 | $0 | $0 |
| ERIC THOMPSON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BRANDON BERGER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| EUNICE CHAPON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHADI TANNOURY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARYANN SOREL | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 45 MATIGNON RD, CAMBRIDGE, MA 02140-1006
- Principal officer (990 for 2024)
- ISABELLE PRAUD, 45 MATIGNON ROAD, CAMBRIDGE, MA 02140
- Signed the 990
- ISABELLE PRAUD, CHIEF FINANCIAL OFFICER
- Phone
- (617) 499-1451
- Website
- WWW.ISBOS.ORG
- Return prepared by
- CITRIN COOPERMAN ADVISORS LLC
Mission
THE INTERNATIONAL SCHOOL OF BOSTON (ISB) IS AN INDEPENDENT, NON-PROFIT, PRESCHOOL-12 FRENCH-ENGLISH BILINGUAL AND INTERNATIONAL SCHOOL LOCATED IN CAMBRIDGE, MASSACHUSETTS, IN ONE OF THE MOST VIBRANT METROPOLITAN AREAS IN THE UNITED STATES. AS A WORLD-CLASS, ACCREDITED ACADEMIC INSTITUTION, ISB PLACES THE DEVELOPMENT OF THE BILINGUAL BRAIN AT THE HEART OF ITS MISSION. ISB STUDENTS GRADUATE WITH AN AMERICAN HIGH SCHOOL DIPLOMA AND CHOOSE BETWEEN TWO INTERNATIONALLY RENOWNED DIPLOMAS, THE FRENCH OR THE INTERNATIONAL BACCALAUREATE, GIVING THEM THE OPPORTUNITY TO THRIVE AT LEADING UNIVERSITIES IN THE UNITED STATES, FRANCE, AND AROUND THE WORLD. OFFERING A RICH EXPERIENCE WITH RIGOROUS PROGRAMS, ISB PREPARES ITS STUDENTS FOR A LIFETIME OF LEARNING AND SERVICE.
Program accomplishments
- LYCEE INTERNATIONAL DE BOSTON/INTERNATIONAL SCHOOL OF BOSTON, INC. (THE "SCHOOL") IS A PRIVATE AND INDEPENDENT DAY SCHOOL SERVING APPROXIMATELY 550 STUDENTS IN PRE-SCHOOL THROUGH GRADE 12. THE SCHOOL IS A BILINGUAL INSTITUTION WITH INSTRUCTION IN BOTH FRENCH AND ENGLISH, DRAWING ON THE PRACTICES OF AMERICAN AND FRENCH EDUCATIONAL TRADITIONS. THE SCHOOL IS ACCREDITED BY THE NEW ENGLAND ASSOCIATION OF SCHOOLS & COLLEGES, BY THE FRENCH MINISTRY OF EDUCATION AND BY THE COUNCIL OF INTERNATIONAL SCHOOLS. IT OFFERS BOTH THE FRENCH BACCALAUREATE DIPLOMA AND THEINTERNATIONAL BACCALAUREATE DIPLOMA.Expenses $20,294,559 · grants $2,420,947 · revenue $24,830,772
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
- 04-2385120
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1966
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B240)
- Assets (IRS master file)
- $45,632,693
- Income (IRS master file)
- $26,965,057
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $25,719,539 | $25,431,615 | $45,632,693 | IRS |
| 990 | June 2024 | $23,943,574 | $22,916,436 | $46,800,324 | IRS |
| 990 | June 2023 | $24,069,577 | $21,988,460 | $44,839,695 | XML |
| 990 | June 2022 | $19,782,527 | $19,228,480 | $39,683,293 | IRS |
| 990 | 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 04-2385120).
Questions about LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC
- What is the EIN of LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC?
- The employer identification number (EIN) of LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC is 04-2385120.
- Is LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1966.
- Are donations to LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON 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 LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON 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 LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON 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 LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC?
- The 990 for the year ended June 30, 2025 names ISABELLE PRAUD.
- Who are the officers and directors of LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC?
- The 990 for the year ended June 30, 2025 lists 27 people; 7 received compensation from the organization, the highest $379,759 (RICHARD ULFFERS, HEAD OF SCHOOL).
- How much revenue does LYCEE INTERNATIONAL DE BOSTON INTERNATIONAL SCHOOL OF BOSTON INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $25,719,539, expenses of $25,431,615 and total assets of $45,632,693 at year end.
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