Nonprofit · EIN 04-3486659
GERMAN INTERNATIONAL SCHOOL BOSTON INC
Tax-exempt · BOSTON, MA 02134
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $13,637,941 | $12,749,817 | $888,124 | $28,893,200 | $21,729,317 | $7,163,883 |
| June 30, 2024 | 990 | $12,551,976 | $13,007,930 | -$455,954 | $28,509,585 | $22,465,274 | $6,044,311 |
| June 30, 2023 | 990 | $11,219,492 | $10,905,802 | $313,690 | $12,972,286 | $6,475,636 | $6,496,650 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $3,080,066
- of which government grants
- $2,975,811
- Program service revenue
- $10,320,485
- Investment income
- $237,390
- Net gain from sales of assets
- $202
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $846,311
- Compensation of officers, directors and key employees
- $458,193
- Other salaries and wages
- $6,614,194
- Salaries, compensation and benefits (total)
- $8,088,168
- Professional fundraising fees
- $12,500
- Legal fees
- $67,156
- Accounting fees
- $70,252
- Occupancy
- $1,874,222
- Travel
- $4,904
- Depreciation
- $601,488
- Program services (functional)
- $10,505,465
- Management and general (functional)
- $2,180,651
- Fundraising (functional)
- $63,701
Balance sheet and other
- Total assets, start of year
- $28,509,585
- Total assets, end of year
- $28,893,200
- Total liabilities, end of year
- $21,729,317
- Net assets, end of year
- $7,163,883
- Land, buildings and equipment
- $3,437,823
- Net assets without donor restrictions
- $7,146,021
- Net assets with donor restrictions
- $17,862
- Gross receipts
- $14,222,400
- Employees
- 121
- Volunteers
- 12
- Year formed
- 1999
- 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 |
|---|---|---|---|---|
| BETTINA NANCY HAARBUSCH | HEAD OF ADMINISTRATION Officer | 40 | $158,940 | $10,092 |
| PAULA SPENCER | DIRECTOR OF FINANCE Officer | 40 | $137,460 | $7,176 |
| ANKE ROOST | HEAD OF EARLY EDUCATION Highest-paid employee | 40 | $119,469 | $16,852 |
| FUNDA SUZAN | Acting Head of School Officer | 40 | $122,540 | $13,156 |
| Roos Karssemeijer | TREASURER (FROM 11/24) Trustee or director, Officer | 4 | $0 | $0 |
| TILMAN KISPERSKY | CHAIR/PRESIDENT Trustee or director, Officer | 8 | $0 | $0 |
| TORIN KOESTER | TREASURER (THRU 11/24) Trustee or director, Officer | 4 | $0 | $0 |
| ULRIKE BAGEHORN | VICE CHAIR/PRESIDENT AND SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| ALEXANDRA GROSS | TRUSTEE Trustee or director | 8 | $0 | $0 |
| DANIELLE KELLERMANN | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ELIZABETH MELLYN | TRUSTEE (THRU 11/24) Trustee or director | 4 | $0 | $0 |
| Gaurav Gaiha | Trustee (FROM 11/24) Trustee or director | 4 | $0 | $0 |
| Jan Tajo Fittkau | Trustee (FROM 11/24) Trustee or director | 4 | $0 | $0 |
| ROY GOLDSCHMITT | TRUSTEE (THRU 11/24) Trustee or director | 4 | $0 | $0 |
990 for the year ended June 30, 2024: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BETTINA NANCY HAARBUSCH | HEAD OF ADMINISTRATION Officer | 40 | $152,005 | $10,605 |
| FUNDA SUZAN | ASSISTANT HEAD OF SCHOOL Highest-paid employee | 40 | $114,311 | $15,034 |
| PAULA SPENCER | DIRECTOR OF FINANCE Officer | 40 | $119,979 | $6,802 |
| ANKE ROOST | HEAD OF EARLY EDUCATION Highest-paid employee | 40 | $103,175 | $14,352 |
| SARA ELIZABETH KAGEY | ASSISTANT HEAD OF ADMINISTRATION Highest-paid employee | 40 | $100,954 | $3,958 |
| TILMAN KISPERSKY | CHAIR/PRESIDENT Trustee or director, Officer | 4 | $0 | $0 |
| ULRIKE BAGEHORN | VICE CHAIR/PRESIDENT AND SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| TORIN KOESTER | TREASURER Trustee or director, Officer | 4 | $0 | $0 |
| ROY GOLDSCHMITT | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ALEXANDRA GROSS | TRUSTEE Trustee or director | 4 | $0 | $0 |
| DANIELLE KELLERMANN | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ELIZABETH MELLYN | TRUSTEE Trustee or director | 4 | $0 | $0 |
| MARTINA STIPPLER | TRUSTEE (THRU 11/2023) Trustee or director | 4 | $0 | $0 |
990 for the year ended June 30, 2023: 10 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BETTINA NANCY HAARBUSCH | HEAD OF ADMINISTRATION Officer | 40 | $121,404 | $41,542 |
| PAULA SPENCER | DIRECTOR OF FINANCE Officer | 40 | $97,638 | $5,880 |
| ULRIKE BAGEHORN | PRESIDENT Trustee or director, Officer | 8 | $0 | $0 |
| TORIN KOESTER | TREASURER Trustee or director, Officer | 4 | $0 | $0 |
| MARTINA STIPPLER | SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| ROY GOLDSCHMITT | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ALEXANDRA GROSS | TRUSTEE Trustee or director | 4 | $0 | $0 |
| TILMAN KISPERSKY | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ELIZABETH MELLYN | TRUSTEE Trustee or director | 4 | $0 | $0 |
| ANJA VON ROSENSTIEL | TRUSTEE (THRU 11/2022) Trustee or director | 4 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 57 HOLTON ST, BOSTON, MA 02134-1304
- Principal officer (990 for 2024)
- TILMAN KISPERSKY, 57 Holton Street, Boston, MA 02134
- Signed the 990
- TILMAN KISPERSKY, CHAIR/PRESIDENT
- Phone
- (617) 783-2600
- Website
- WWW.GISBOS.ORG
- Return prepared by
- Forvis Mazars LLP
Mission
GERMAN INTERNATIONAL SCHOOL BOSTON IS A BILINGUAL INDEPENDENT SCHOOL SERVING STUDENTS FROM PRESCHOOL TO GRADE 12. WE OFFER A BILINGUAL EDUCATION WITH AN INTERNATIONALLY ACCLAIMED GERMAN CURRICULUM. AS A GLOBAL COMMUNITY, WE STRIVE TO INSTILL A LOVE OF LEARNING AND A SENSE OF RESPONSIBILITY TO PREPARE STUDENTS FOR SHAPING OUR COMMON FUTURE.
Program accomplishments
- THE SCHOOL PROVIDES A GERMAN EDUCATION FOR STUDENTS IN GRADES PRESCHOOL THROUGH GRADE 12. IN FISCAL 2025 THE SCHOOL SERVED 295 STUDENTS.Expenses $10,505,465 · grants $846,311 · revenue $10,320,485
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
- 04-3486659
- 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
- 2005
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B99)
- Assets (IRS master file)
- $28,893,200
- Income (IRS master file)
- $14,222,400
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $13,637,941 | $12,749,817 | $28,893,200 | XML |
| 990 | June 2024 | $12,551,976 | $13,007,930 | $28,509,585 | XML |
| 990 | June 2023 | $11,219,492 | $10,905,802 | $12,972,286 | XML |
| 990 | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | 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 04-3486659).
Questions about GERMAN INTERNATIONAL SCHOOL BOSTON INC
- What is the EIN of GERMAN INTERNATIONAL SCHOOL BOSTON INC?
- The employer identification number (EIN) of GERMAN INTERNATIONAL SCHOOL BOSTON INC is 04-3486659.
- Is GERMAN INTERNATIONAL SCHOOL BOSTON INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
- Are donations to GERMAN INTERNATIONAL SCHOOL BOSTON INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GERMAN INTERNATIONAL SCHOOL 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 GERMAN INTERNATIONAL SCHOOL 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 GERMAN INTERNATIONAL SCHOOL 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 GERMAN INTERNATIONAL SCHOOL BOSTON INC?
- The 990 for the year ended June 30, 2025 names TILMAN KISPERSKY.
- Who are the officers and directors of GERMAN INTERNATIONAL SCHOOL BOSTON INC?
- The 990 for the year ended June 30, 2025 lists 14 people; 4 received compensation from the organization, the highest $158,940 (BETTINA NANCY HAARBUSCH, HEAD OF ADMINISTRATION).
- How much revenue does GERMAN INTERNATIONAL SCHOOL BOSTON INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $13,637,941, expenses of $12,749,817 and total assets of $28,893,200 at year end.
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