'Iolani School
Funding Overview
From IRS Form 990 filings · 2021–2025
Total received
$13.2M
Foundation funders
70
Grants recorded
200
Years covered
2021–2025
Who funds 'Iolani School?
'Iolani School is funded by 70 grantmakers, led by Arrillaga Foundation ($5.0M), David C Ai Charitable Trust ($1.2M), Maurice and Joanna Sullivan Family ($1.1M). In total, IRS Form 990 filings record $13.2M in grants to 'Iolani School between 2021–2025.
Show all 70 funders
Funding over time
Grant dollars and counts received per year
From 2021 to 2025, annual grant giving ranged from $1.1M (2025) to $6.8M (2023). In 2025 it made 26 grants totaling $1.1M.
What grants has 'Iolani School received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | McInerny Foundation | IOLANI SCHOOL KA'I PROGRAM | $250,000 |
| 2025 | Takaki Foundation | UNRESTRICTED GIFT | $200,000 |
| 2025 | David C Ai Charitable Trust | EDUCATION | $158,000 |
| 2025 | McInerny Foundation | IOLANI SCHOOL TUITION AID PROGRAM (07/01/2025 - 06/30/2026) | $96,000 |
| 2025 | C N Wodehouse Hawaii Charities Trust | SUPPORT OF FACULTY SALARIES | $58,000 |
| 2025 | Public Schools of Hawaii Foundation | LAB EQUIPMENT | $41,888 |
| 2025 | Robert E Black Memorial Trust | UNRESTRICTED GIFT | $41,252 |
| 2025 | Herbert and Margarita Mist Scholarship Fund | UNRESTRICTED GIFT | $40,000 |
| 2025 | Hung Wo and Elizabeth Lau | GENERAL PURPOSE | $40,000 |
| 2025 | Laulima Foundation | ARRILLAGA STUDENT CENTER | $30,000 |
| 2025 | Mabel C Ladd Trust Estate | SCHOLARSHIP | $26,000 |
| 2025 | Charities Aid Foundation America | CHARITABLE DONATION | $19,773 |
| 2025 | C Q Yee Hop Foundation | To support the C. Q. Yee Hop & Family scholarship endowment | $10,000 |
| 2025 | Marin Community Foundation | PROVIDE SUPPORT AS NEEDED FOR THE REUNION | $10,000 |
| 2025 | Cornell University Foundation | IN FURTHERANCE OF THE ORGANIZATION'S TAX EXEMPT MISSION | $9,433 |
| 2025 | SS Fook Sing Foundation | TO SUPPORT THE EDUCATIONAL PURPOSE OF THE SCHOOL | $8,500 |
| 2025 | The Ayco Charitable Foundation | PRIMARY AND SECONDARY EDUCATION | $7,000 |
| 2025 | Seto Foundation Co Hawaii | KA'I PROGRAM | $6,967 |
| 2025 | Honolulu Chinese Junior Chamber of | THE HONOLULU CHINESE JUNIOR CHAMBER OF COMMERCE FOUNDATION SCHOLARSHIP ENDOWMENT | $6,000 |
| 2025 | The Lawrence D & Patricia I Rodriguez | SUPPORT GENERAL FUND | $5,000 |
| 2025 | Seto Foundation Co Hawaii | SETO FAMILY SCHOLARSHIP | $3,934 |
| 2025 | A & J Wang Foundation | EDUCATIONAL ACTIVITIES | $2,000 |
| 2025 | The Robert & Betty Wo Foundation | GENERAL FUND | $1,500 |
| 2025 | Tradewind Group Foundation | EXEMPT PURPOSES OF THE ORGANIZATION | $500 |
| 2025 | Patrick and Kris Kobayashi Foundation | GENERAL PURPOSE | $100 |
| 2025 | The Yamashita Foundation of Hawaii | ANNUAL FUND OF SCHOLARSHIPS | $100 |
| 2024 | David C Ai Charitable Trust | EDUCATION | $533,000 |
| 2024 | Maurice and Joanna Sullivan Family | Unrestricted Gift | $250,000 |
| 2024 | The Freeman Foundation | GENERAL SUPPORT | $125,000 |
| 2024 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $100,500 |
Showing 30 most recent of 200 recorded grants.
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Frequently Asked Questions
Who funds 'Iolani School?
'Iolani School is funded by 70 grantmakers, led by Arrillaga Foundation ($5.0M), David C Ai Charitable Trust ($1.2M), Maurice and Joanna Sullivan Family ($1.1M). In total, IRS Form 990 filings record $13.2M in grants to 'Iolani School between 2021–2025.
Who is 'Iolani School's largest funder?
Arrillaga Foundation is the largest recorded funder of 'Iolani School, with $5.0M across 1 grant (2023).
How much grant funding has 'Iolani School received?
IRS 990 filings record $13.2M in grants to 'Iolani School across 200 grants from 70 funders between 2021–2025. 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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