Island School
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$5.3M
Foundation funders
40
Grants recorded
111
Years covered
2019–2025
Who funds Island School?
Island School is funded by 40 grantmakers, led by Trustees of the Estate of Bernice Pauahi Bishop DBA Kamehameha Schools ($3.0M), The Ruettgers Family Charit Foundation ($200K), The Clarence TC Ching Foundation ($200K). In total, IRS Form 990 filings record $5.3M in grants to Island School between 2019–2025.
Show all 40 funders
| The Stephen E and Isabella H Stevens | $22,406 | 4 | 2022–2024 |
| Firman Fund | $17,500 | 4 | 2021–2024 |
| Lilly Endowment Inc | $14,400 | 3 | 2021–2024 |
| Mabel I Wilcox Foundation Trust | $12,000 | 3 | 2020–2025 |
| IA Lenoir Charitable Tr | $10,000 | 1 | 2024 |
| The Cades Foundation | $10,000 | 1 | 2020 |
| H L Thompson Jr Family Foundation | $9,987 | 2 | 2020–2021 |
| Grove Farm Company Foundation | $9,750 | 7 | 2020–2025 |
| Altres Foundation | $5,000 | 1 | 2025 |
| The Doreen L Brown Family Charitable | $2,000 | 1 | 2024 |
| The Allstate Foundation | $1,500 | 3 | 2021–2024 |
| Tradewind Group Foundation | $1,350 | 2 | 2020–2025 |
| Red Bird Hollow Foundation | $1,000 | 1 | 2020 |
| Ima Foundation | $200 | 1 | 2025 |
| The George and Carol Milne Foundation | $200 | 2 | 2023–2024 |
Funding over time
Grant dollars and counts received per year
From 2019 to 2025, annual grant giving ranged from $6K (2019) to $1.7M (2023). In 2025 it made 13 grants totaling $858K.
What grants has Island School received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Trustees of the Estate of Bernice Pauahi Bishop DBA Kamehameha Schools | EDUCATIONAL SUPPORT | $542,500 |
| 2025 | Caruthers Family Foundation | GENERAL FUND | $100,000 |
| 2025 | The Ruettgers Family Charit Foundation | GENERAL SUPPORT | $75,000 |
| 2025 | Raymond James Charitable Endowment Fund | GENERAL SUPPORT | $51,000 |
| 2025 | Garmar Foundation | UNRESTRICTED GIFT | $30,000 |
| 2025 | Linda & Barry Allen Foundation | OPERATIONS | $26,300 |
| 2025 | Cooke Foundation Limited | HOOULU I KE OLA O NA PUA: "TO ENRICH THE LIVES OF CHILDREN" | $15,000 |
| 2025 | Altres Foundation | PROGRAM SUPPORT GRANT - EDUCATION | $5,000 |
| 2025 | Elsie Wilcox Foundation | UNRESTRICTED GIFT | $5,000 |
| 2025 | Mabel I Wilcox Foundation Trust | GENERAL CHARITABLE PURPOSES | $5,000 |
| 2025 | Grove Farm Company Foundation | 2025 Scholarship Fund | $2,000 |
| 2025 | Tradewind Group Foundation | EXEMPT PURPOSES OF THE ORGANIZATION | $1,000 |
| 2025 | Ima Foundation | PROGRAM SERVICES | $200 |
| 2024 | The Ruettgers Family Charit Foundation | GENERAL SUPPORT | $125,000 |
| 2024 | Crocker Catalyst Foundation | GENERAL SUPPORT | $35,000 |
| 2024 | Garmar Foundation | UNRESTRICTED GIFT | $30,000 |
| 2024 | SW Wilcox Trust | GENERAL SUPPORT | $20,000 |
| 2024 | Waimakua Foundation | BOARD MATCHING CHALLENGE FUND | $20,000 |
| 2024 | Morgan Stanley Global Impact Funding Trust Inc | UNRESTRICTED GENERAL SUPPORT | $20,000 |
| 2024 | IA Lenoir Charitable Tr | GENERAL SUPPORT | $10,000 |
| 2024 | Raymond James Charitable Endowment Fund | GENERAL SUPPORT | $10,000 |
| 2024 | Indian River Community Foundation Inc | EDUCATION | $7,500 |
| 2024 | Elsie Wilcox Foundation | UNRESTRICTED GIFT | $6,000 |
| 2024 | The Stephen E and Isabella H Stevens | FOR ISLAND SCHOOL'S TRAVEL & ACCOMMODATIONS TO THE 2025 HAWAII PACMUN CONFERENCE. | $5,500 |
| 2024 | Firman Fund | ANNUAL FUND | $5,000 |
| 2024 | Grove Farm Company Foundation | 2024 Scholarship Fund | $2,000 |
| 2024 | The Doreen L Brown Family Charitable | CHARITABLE DONATION | $2,000 |
| 2024 | Lilly Endowment Inc | EMPLOYEE MATCHING GIFT(S) | $900 |
| 2024 | The Allstate Foundation | AGENT - INDIVIDUAL HH | $500 |
| 2024 | The George and Carol Milne Foundation | UNRESTRICTED GENERAL OPERATING SUPPORT | $100 |
Showing 30 most recent of 111 recorded grants.
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Frequently Asked Questions
Who funds Island School?
Island School is funded by 40 grantmakers, led by Trustees of the Estate of Bernice Pauahi Bishop DBA Kamehameha Schools ($3.0M), The Ruettgers Family Charit Foundation ($200K), The Clarence TC Ching Foundation ($200K). In total, IRS Form 990 filings record $5.3M in grants to Island School between 2019–2025.
Who is Island School's largest funder?
Trustees of the Estate of Bernice Pauahi Bishop DBA Kamehameha Schools is the largest recorded funder of Island School, with $3.0M across 5 grants (2020–2025).
How much grant funding has Island School received?
IRS 990 filings record $5.3M in grants to Island School across 111 grants from 40 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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