Nonprofit · EIN 04-2103964
CAMBRIDGE SCHOOL OF WESTON INC
Tax-exempt · WESTON, MA 02493
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $23,925,216 | $24,372,511 | -$447,295 | $69,562,267 | $28,670,284 | $40,891,983 |
| June 30, 2024 | 990 | $22,275,093 | $23,267,835 | -$992,742 | $68,010,508 | $26,991,316 | $41,019,192 |
| June 30, 2023 | 990 | $23,978,845 | $21,233,103 | $2,745,742 | $55,643,984 | $14,570,649 | $41,073,335 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $1,676,634
- Program service revenue
- $21,184,795
- Investment income
- $807,227
- Net rental income
- $49,290
- Net gain from sales of assets
- $511,009
- Net income from sales of inventory
- -$2,061
- Other revenue
- $256,560
Expenses
- Grants and similar amounts paid
- $4,709,096
- Compensation of officers, directors and key employees
- $660,565
- Other salaries and wages
- $8,538,530
- Salaries, compensation and benefits (total)
- $11,384,548
- Professional fundraising fees
- $0
- Legal fees
- $30,010
- Accounting fees
- $53,445
- Occupancy
- $701,318
- Travel
- $93,130
- Depreciation
- $1,704,051
- Program services (functional)
- $18,873,549
- Management and general (functional)
- $4,486,072
- Fundraising (functional)
- $1,012,890
Balance sheet and other
- Total assets, start of year
- $68,010,508
- Total assets, end of year
- $69,562,267
- Total liabilities, end of year
- $28,670,284
- Net assets, end of year
- $40,891,983
- Land, buildings and equipment
- $32,328,751
- Publicly traded securities
- $15,175,344
- Net assets without donor restrictions
- $28,221,015
- Net assets with donor restrictions
- $12,670,968
- Gross unrelated business income
- -$22,019
- Gross receipts
- $24,478,958
- Employees
- 144
- Volunteers
- 17
- Year formed
- 1936
- 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 |
|---|---|---|---|---|
| LISE CHARLIER | HEAD OF SCHOOL Trustee or director, Officer | 40 | $401,833 | $113,970 |
| SUSAN RYAN | CFO Officer | 40 | $216,083 | $24,679 |
| DIANA BARUNI | ASSISTANT HEAD OF SCHOOL FOR ACADEMICS Highest-paid employee | 40 | $108,809 | $94,725 |
| JENNIFER RAXTER | CHIEF DEVELOPMENT OFFICER Highest-paid employee | 40 | $121,816 | $28,784 |
| JULIE JOHNSTONE | ASSISTANT HEAD OF SCHOOL Highest-paid employee | 40 | $129,824 | $6,469 |
| AARON HIRSCH | ASSISTANT HEAD OF SCHOOL FOR STUDENT LIFE Highest-paid employee | 40 | $129,170 | $6,447 |
| PAMELA TORRES | DIRECTOR OF STRAEGIC INITIATIVES Highest-paid employee | 40 | $121,383 | $6,203 |
| THOMAS GALVIN | DIRECTOR OF FACILITIES Highest-paid employee | 40 | $108,776 | $13,647 |
| RACHEL HIRSCH | HISTORY FACULTY Highest-paid employee | 40 | $100,392 | $5,136 |
| ADRIEL RONCAL | FACULTY REPRESENTATIVE Trustee or director | 40 | $60,201 | $16,781 |
| SNOWDEN HENRY | CHAIR OF GOVERNANCE COMMIT Trustee or director | 1 | $0 | $0 |
| RANJIT RAJAMANI | CHAIR OF INVESTMENT COMMIT Trustee or director | 1 | $0 | $0 |
| NOAH LOREN | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| MICHAEL FLEMING | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAEL FLANAGAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
15 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MEREDITH OPPEGARD | FACULTY REPRESENTATIVE Trustee or director | 1 | $0 |
| LUIZ MIGUEL CAMARGO | TRUSTEE Trustee or director | 1 | $0 |
| JOHN THOMPSON | TRUSTEE Trustee or director | 1 | $0 |
| JOHN FINNERTY | TRUSTEE Trustee or director | 1 | $0 |
| BRITTE VAN ZADELHOFF | DAY STUDENT REPRESENTATIVE Trustee or director | 1 | $0 |
| DMITRI RABIN | TRUSTEE Trustee or director | 1 | $0 |
| CYNTHIA HARMON | TRUSTEE Trustee or director | 1 | $0 |
| CHIN LIN | SECRETARY Trustee or director, Officer | 1 | $0 |
| ANN MARIE LINDQUIST | TRUSTEE Trustee or director | 1 | $0 |
| ANN GORSON | BOARD CHAIR Trustee or director, Officer | 1 | $0 |
| ALLIE ALTMAN | TREASURER Trustee or director, Officer | 1 | $0 |
| WILL STANSBURY | TRUSTEE Trustee or director | 1 | $0 |
| DANA HOWELL | BOARDING STUDENT REPRESENTATIVE Trustee or director | 1 | $0 |
| SSANYU BIRIGWA | TRUSTEE Trustee or director | 1 | $0 |
| YOUHUA NIE | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 26 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LISE CHARLIER | HEAD OF SCHOOL Trustee or director, Officer | 40 | $388,195 | $75,959 |
| SUSAN RYAN | CFO Officer | 40 | $210,027 | $21,797 |
| DIANA BARUNI | DEAN OF FACULTY Highest-paid employee | 40 | $107,507 | $80,181 |
| ROSANNA SALCEDO | DEAN OF EQUITY & INCLUSION Highest-paid employee | 40 | $140,215 | $33,363 |
| JENNIFER RAXTER | DIRECTOR OF DEVELOPMENT Highest-paid employee | 40 | $153,957 | $14,364 |
| AARON HIRSCH | DEAN OF STUDENTS Highest-paid employee | 40 | $129,918 | $8,505 |
| JULIE JOHNSTONE | ASSISTANT HEAD OF SCHOOL Highest-paid employee | 40 | $131,097 | $6,987 |
| KIERNAN KINKEL BRINKMAN | FACULTY REPRESENTATIVE Trustee or director | 40 | $75,505 | $1,432 |
| ADRIEL RONCAL | FACULTY REPRESENTATIVE Trustee or director | 40 | $58,498 | $13,370 |
| ALLIE ALTMAN | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JOHN FINNERTY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAEL FLANAGAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANN GORSON | BOARD CHAIR; CHAIR OF DEVELOPMENT COMMITTEE Trustee or director, Officer | 1 | $0 | $0 |
| CYNTHIA HARMON | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| SNOWDEN HENRY | CHAIR OF GOVERNANCE COMMITTEE Trustee or director | 1 | $0 | $0 |
| CHIN LIN | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| JOHN THOMPSON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DANIEL WOLF | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RANJIT RAJAMANI | CHAIR OF INVESTMENT COMMITTEE Trustee or director | 1 | $0 | $0 |
| NOAH LOREN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DMITRI RABIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WILL STANSBURY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NATHAN BREWER | BOARD STUDENT REPRESENTATI Trustee or director | 1 | $0 | $0 |
| MICHAEL FLEMING | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANN MARIE LINDQUIST | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ISABELLE PARKER | DAY STUDENT REPRESENTATIVE Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 29 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LISE CHARLIER | HEAD OF SCHOOL Trustee or director, Officer | 40 | $346,274 | $52,024 |
| SUSAN RYAN | CFO Officer | 40 | $209,914 | $20,725 |
| ROSANNA SALCEDO | DEAN OF EQUITY & INCLUSION Highest-paid employee | 40 | $134,592 | $33,791 |
| JENNIFER RAXTER | DIRECTOR OF DEVELOPMENT Highest-paid employee | 40 | $149,320 | $9,388 |
| JULIE JOHNSTONE | ASSISTANT HEAD OF SCHOOL Highest-paid employee | 40 | $126,155 | $6,716 |
| AARON HIRSCH | FACULTY Highest-paid employee | 40 | $125,126 | $6,471 |
| THOMAS GALVIN | FACULTY Highest-paid employee | 40 | $108,723 | $13,000 |
| KB KINKEL | FACULTY REPRESENTATIVE Trustee or director | 40 | $70,823 | $22 |
| ADRIEL RONCAL | FACULTY REPRESENTATIVE Trustee or director | 40 | $55,798 | $9,217 |
| ALLIE ALTMAN | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JAMES BONSEY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NETA CRAWFORD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOHN FINNERTY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAEL FLANAGAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANN GORSON | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| CYNTHIA HARMON | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| SNOWDEN HENRY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHIN LIN | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| KEVIN MENDIK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOHN THOMPSON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DANIEL WOLF | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MILLY CHEN | BOARD STUDENT REPRESENTATI Trustee or director | 1 | $0 | $0 |
| VIVIEN WU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| THEO ILLARIONOV | DAY STUDENT REPRESENTATIVE Trustee or director | 1 | $0 | $0 |
| RANJIT RAJAMANI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PHEBE KIRYK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NOAH LOREN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DMITRI RABIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WILL STANSBURY | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 45 GEORGIAN RD, WESTON, MA 02493-2110
- Principal officer (990 for 2024)
- LISE CHARLIER, 45 GEORGIAN ROAD, WESTON, MA 02493
- Signed the 990
- ALLIE ALTMAN, TREASURER
- Phone
- (781) 642-8600
- Website
- WWW.CSW.ORG
- Return prepared by
- POZERSKI HATCH & COMPANY
Mission
THE CAMBRIDGE SCHOOL OF WESTON'S MISSION IS TO PROVIDE A PROGRESSIVE EDUCATION THAT EMPHASIZES DEEP LEARNING AND MEANINGFUL RELATIONSHIPS. OUR DYNAMIC PROGRAM INSPIRES STUDENTS TO DISCOVER WHO THEY ARE AND WHAT THEIR CONTRIBUTION IS TO THEIR SCHOOL, THEIR COMMUNITY AND THE WORLD.
Program accomplishments
- THE CAMBRIDGE SCHOOL OF WESTON IS A PROGRESSIVE, COEDUCATIONAL, DAY AND BOARDING SCHOOL FOR GRADES 9 THROUGH 12, AND POST GRADUATE. ESTABLISHED IN 1886, WE ARE DEDICATED TO FOSTERING INDIVIDUAL STRENGTHS AND MULTIPLE INTELLIGENCES THROUGH A WIDE RANGE OF CHALLENGING COURSES AND A VARIETY OF TEACHING STYLES. IN FY2025, THE SCHOOL HAD 226 DAY STUDENTS AND 84 BOARDING STUDENTS.OUR UNIQUE MODULE SYSTEM FOSTERS DEEP LEARNING AND INNOVATIVE TEACHING IN ALL DISCIPLINES. CLASSES ARE AN HOUR AND A HALF LONG, AND STUDENTS CONCENTRATE INTENSELY ON THREE SUBJECTS AT A TIME. OUR CURRICULUM IS DIVERSE AND INTERDISCIPLINARY, COMBINING DEMANDING ACADEMICS WITH EXTENSIVE OFFERINGS IN THE VISUAL AND PERFORMING ARTS. STUDENTS ARE ENCOURAGED TO EXPLORE NEW EDUCATIONAL EXPERIENCES AND AREAS OF STUDY, AND TO BE PROACTIVE IN PLANNING THEIR ACADEMIC SCHEDULES. WE OFFER MORE THAN 300 COURSES. NO TWO STUDENT SCHEDULES ARE ALIKE. EACH STUDENT WORKS WITH AN ADVISOR AND THE ACADEMIC OFFICE TO CREATE A UNIQUE ACADEMIC SCHEDULE THAT BALANCES PERSONAL INTERESTS WITH COLLEGE EXPECTATIONS AND THE SCHOOL'S REQUIREMENTS FOR GRADUATION. ULTIMATELY, EACH STUDENT SCHEDULE AIMS TO PROVIDE BALANCE, RIGOR, AND STIMULATION THROUGHOUT THE YEAR.Expenses $18,518,793 · grants $4,709,096 · revenue $21,155,122
- THE CAMBRIDGE SCHOOL OF WESTON OFFERED TWO SUMMER PROGRAMS FOR STUDENTS, THE BRAVE ARTS PROGRAM AND GLOBAL SUMMER ACADEMY.Expenses $354,756 · revenue $239,004
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
- 04-2103964
- 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
- 1937
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B200)
- Assets (IRS master file)
- $69,562,267
- Income (IRS master file)
- $24,478,958
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $23,925,216 | $24,372,511 | $69,562,267 | XML |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $22,275,093 | $23,267,835 | $68,010,508 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $23,978,845 | $21,233,103 | $55,643,984 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $22,369,980 | $20,504,473 | $53,920,547 | IRS |
| 990-T | June 2022 | – | – | – | 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 04-2103964).
Questions about CAMBRIDGE SCHOOL OF WESTON INC
- What is the EIN of CAMBRIDGE SCHOOL OF WESTON INC?
- The employer identification number (EIN) of CAMBRIDGE SCHOOL OF WESTON INC is 04-2103964.
- Is CAMBRIDGE SCHOOL OF WESTON INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1937.
- Are donations to CAMBRIDGE SCHOOL OF WESTON INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CAMBRIDGE SCHOOL OF WESTON 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 CAMBRIDGE SCHOOL OF WESTON 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 CAMBRIDGE SCHOOL OF WESTON 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 CAMBRIDGE SCHOOL OF WESTON INC?
- The 990 for the year ended June 30, 2025 names LISE CHARLIER.
- Who are the officers and directors of CAMBRIDGE SCHOOL OF WESTON INC?
- The 990 for the year ended June 30, 2025 lists 30 people; 10 received compensation from the organization, the highest $401,833 (LISE CHARLIER, HEAD OF SCHOOL).
- How much revenue does CAMBRIDGE SCHOOL OF WESTON INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $23,925,216, expenses of $24,372,511 and total assets of $69,562,267 at year end.
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