Nonprofit · EIN 13-1926673
INTERNATIONAL SCHOOLS SERVICES INC
Tax-exempt · PRINCETON, NJ 08543
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $13,366,206 | $15,496,793 | -$2,130,587 | $17,204,669 | $7,956,359 | $9,248,310 |
| June 30, 2024 | 990 | $14,598,469 | $18,161,546 | -$3,563,077 | $19,686,048 | $8,812,012 | $10,874,036 |
| June 30, 2023 | 990 | $14,872,302 | $17,547,788 | -$2,675,486 | $22,093,896 | $7,982,221 | $14,111,675 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $77,812
- of which government grants
- $20,000
- Program service revenue
- $12,720,088
- Investment income
- $362,344
- Net rental income
- $205,962
- Net gain from sales of assets
- $52,185
- Other revenue
- $205,962
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $628,101
- Other salaries and wages
- $9,290,209
- Salaries, compensation and benefits (total)
- $11,700,962
- Professional fundraising fees
- $0
- Legal fees
- $15,230
- Accounting fees
- $83,538
- Travel
- $41,810
- Depreciation
- $807,249
- Program services (functional)
- $10,328,768
- Management and general (functional)
- $5,168,025
Balance sheet and other
- Total assets, start of year
- $19,686,048
- Total assets, end of year
- $17,204,669
- Total liabilities, end of year
- $7,956,359
- Net assets, end of year
- $9,248,310
- Land, buildings and equipment
- $4,050,933
- Publicly traded securities
- $9,647,161
- Net assets without donor restrictions
- $9,248,310
- Gross unrelated business income
- $64,410
- Gross receipts
- $13,942,313
- Employees
- 80
- Volunteers
- 13
- Year formed
- 1955
- State of legal domicile
- DC
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 |
|---|---|---|---|---|
| Duffy Elizabeth A | Officer, President Trustee or director, Officer | 37.5 | $374,379 | $123,266 |
| Evins Kristin | Officer, Treasurer, CFAO Officer | 37.5 | $253,722 | $72,995 |
| Hawkins Thomas | Employee Highest-paid employee | 37.5 | $197,828 | $109,130 |
| Ballantyne Susan | Employee Highest-paid employee | 37.5 | $269,979 | $22,602 |
| Lawler-Sudell Sharon | Employee Highest-paid employee | 37.5 | $155,487 | $103,349 |
| Burns John | Employee Highest-paid employee | 37.5 | $224,170 | $9,723 |
| Kempler-Pfannl Beth | Employee Highest-paid employee | 37.5 | $209,542 | $22,786 |
| Krutka Sona | Officer, Secretary Officer | 37.5 | $71,801 | $60,590 |
| Vermeulen Peter | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Castaneda Tania M | Board Director Trustee or director | 1 | $0 | $0 |
| Kushma Debra | Board Director Trustee or director | 1 | $0 | $0 |
| Purkaystha Debu | Board Director Trustee or director | 1 | $0 | $0 |
| Brown Tani | Board Director Trustee or director | 1 | $0 | $0 |
| Tavangar Homa S | Board Director Trustee or director | 1 | $0 | $0 |
| Warren Cindy | Board Director Trustee or director | 1 | $0 | $0 |
6 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Braswell Porter | Board Director Trustee or director | 1 | $0 |
| Yearwood Kate | Board Director Trustee or director | 1 | $0 |
| Wong Kevin | Board Director Trustee or director | 1 | $0 |
| Furlonge Nicole | Board Director Trustee or director | 1 | $0 |
| Dietel Jeff | Board Director Trustee or director | 1 | $0 |
| Shapira Aithan | Board Director Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 23 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Duffy Elizabeth A | Officer, President Trustee or director, Officer | 37.5 | $447,792 | $94,345 |
| Evins Kristin | Officer, Treasurer, CFAO Officer | 37.5 | $281,151 | $71,373 |
| Hawkins Thomas | Vice President Officer | 37.5 | $239,413 | $80,480 |
| Kempler-Pfannl Beth | Employee Highest-paid employee | 37.5 | $296,217 | $11,402 |
| Lawler-Sudell Sharon | Employee Highest-paid employee | 37.5 | $195,826 | $72,966 |
| Ballantyne Susan | Employee Highest-paid employee | 37.5 | $257,097 | $11,350 |
| Burns John | Employee Highest-paid employee | 37.5 | $0 | $255,559 |
| Obrien Pauline | Employee Highest-paid employee | 37.5 | $0 | $207,460 |
| Krutka Sona | Officer, Secretary Officer | 37.5 | $75,201 | $54,679 |
| Peter Vermeulen | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Castaneda Tania M | Board Director Trustee or director | 1 | $0 | $0 |
| Crisan John | Board Director Trustee or director | 1 | $0 | $0 |
| Kushma Debra | Board Director Trustee or director | 1 | $0 | $0 |
| Purkaystha Debu | Board Director Trustee or director | 1 | $0 | $0 |
| Brown Tani | Board Director Trustee or director | 1 | $0 | $0 |
| Schorpion Marc | Board Director Trustee or director | 1 | $0 | $0 |
| Ruiter Nishat | Board Director Trustee or director | 1 | $0 | $0 |
| Tavangar Homa S | Board Director Trustee or director | 1 | $0 | $0 |
| Warren Cindy | Board Director Trustee or director | 1 | $0 | $0 |
| Braswell Porter | Board Director Trustee or director | 1 | $0 | $0 |
| Yearwood Kate | Board Director Trustee or director | 1 | $0 | $0 |
| Wong Kevin | Board Director Trustee or director | 1 | $0 | $0 |
| Furlonge Nicole | Board Director Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 23 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Duffy Elizabeth A | Officer, President Trustee or director, Officer | 37.5 | $443,918 | $65,633 |
| Evins Kristin | Officer, Treasurer, CFAO Officer | 37.5 | $271,291 | $59,117 |
| Kempler-Pfannl Beth | Employee Highest-paid employee | 37.5 | $288,125 | $10,548 |
| Hawkins Thomas | Vice President Officer | 37.5 | $245,671 | $27,010 |
| Ballantyne Susan | Employee Highest-paid employee | 37.5 | $245,307 | $10,046 |
| Burns John | Employee Highest-paid employee | 37.5 | $238,789 | $9,243 |
| Lawler-Sudell Sharon | Employee Highest-paid employee | 37.5 | $190,622 | $48,302 |
| Obrien Pauline | Employee Highest-paid employee | 37.5 | $208,833 | $905 |
| Krutka Sona | Officer, Secretary Officer | 37.5 | $68,161 | $32,559 |
| Purkaystha Debu | Board Director Trustee or director | 1 | $0 | $18,000 |
| Mukherjee Dr Arka | Board Chair Trustee or director, Officer | 1 | $0 | $0 |
| Castaneda Tania M | Board Director Trustee or director | 1 | $0 | $0 |
| Crisan John | Board Director Trustee or director | 1 | $0 | $0 |
| Dibble Elizabeth L | Board Director Trustee or director | 1 | $0 | $0 |
| Kushma Debra | Board Director Trustee or director | 1 | $0 | $0 |
| Ruiter Nishat | Board Director Trustee or director | 1 | $0 | $0 |
| Schorpion Marc | Board Director Trustee or director | 1 | $0 | $0 |
| Xu Cheryl | Board Director Trustee or director | 1 | $0 | $0 |
| Tavangar Homa S | Board Director Trustee or director | 1 | $0 | $0 |
| Warren Cindy | Board Director Trustee or director | 1 | $0 | $0 |
| Braswell Porter | Board Director Trustee or director | 1 | $0 | $0 |
| Yearwood Kate | Board Director Trustee or director | 1 | $0 | $0 |
| Wong Kevin | Board Director Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 5910, PRINCETON, NJ 08543-5910
- In care of
- % ELIZABETH A DUFFY
- Principal officer (990 for 2024)
- Elizabeth A Duffy, 15 Roszel Road, Princeton, NJ 08540
- Signed the 990
- Elizabeth A Duffy, President
- Phone
- (609) 452-0990
- Website
- iss.edu
Mission
The primary purpose of the organization is to support, provide and encourage American-style education throughout the world.
Program accomplishments
- School Management Operation of American Schools Overseas. 4,100 students served and Professional DevelopmentExpenses $5,056,828 · revenue $4,876,652
- Educaional Staffing Teacher and Administrative Placements.Expenses $2,117,136 · revenue $1,968,702
- School Supply Ordering, shipping, including consolidation and packing educational materials for schools abroad. 150 schools servedExpenses $2,099,716 · revenue $2,072,200
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
- 13-1926673
- 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
- 1959
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- International, foreign affairs and national security (Q300)
- Assets (IRS master file)
- $17,204,669
- Income (IRS master file)
- $13,942,313
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $13,366,206 | $15,496,793 | $17,204,669 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $14,598,469 | $18,161,546 | $19,686,048 | IRS |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $14,872,302 | $17,547,788 | $22,093,896 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $13,743,105 | $15,155,962 | $22,409,212 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | 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 13-1926673).
Questions about INTERNATIONAL SCHOOLS SERVICES INC
- What is the EIN of INTERNATIONAL SCHOOLS SERVICES INC?
- The employer identification number (EIN) of INTERNATIONAL SCHOOLS SERVICES INC is 13-1926673.
- Is INTERNATIONAL SCHOOLS SERVICES INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1959.
- Are donations to INTERNATIONAL SCHOOLS SERVICES INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SCHOOLS SERVICES 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 INTERNATIONAL SCHOOLS SERVICES 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 INTERNATIONAL SCHOOLS SERVICES 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 INTERNATIONAL SCHOOLS SERVICES INC?
- The 990 for the year ended June 30, 2025 names Elizabeth A Duffy.
- Who are the officers and directors of INTERNATIONAL SCHOOLS SERVICES INC?
- The 990 for the year ended June 30, 2025 lists 21 people; 8 received compensation from the organization, the highest $374,379 (Duffy Elizabeth A, Officer, President).
- How much revenue does INTERNATIONAL SCHOOLS SERVICES INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $13,366,206, expenses of $15,496,793 and total assets of $17,204,669 at year end.
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