Iolani School
563 Kamoku St, Honolulu, HI · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $110,832,276 | $101,090,743 | $366,638,842 |
| FY2024 | $104,930,602 | $94,286,547 | $338,569,989 |
| FY2023 | $99,292,108 | $87,484,359 | $308,138,198 |
| FY2022 | $95,433,531 | $80,466,054 | $274,717,188 |
| FY2021 | $96,713,611 | $75,252,375 | $305,214,916 |
| FY2020 | $76,001,363 | $71,715,310 | $252,641,212 |
| FY2019 | $72,048,337 | $64,623,022 | $252,982,059 |
| FY2018 | $70,416,955 | $60,523,295 | $247,197,545 |
| FY2017 | $72,613,340 | $57,204,452 | $235,960,007 |
| FY2016 | $83,158,603 | $56,128,755 | $213,542,322 |
| FY2015 | $58,351,223 | $53,697,985 | $217,182,313 |
| FY2014 | $52,802,953 | $52,493,894 | $218,997,662 |
| FY2013 | $50,588,038 | $46,150,942 | $199,929,864 |
| FY2012 | $45,353,603 | $44,975,675 | $186,370,231 |
Form 990 filings
The returns filed by Iolani School (EIN 99-0073502), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $24,322,749 | 22% |
| Program service revenue | $75,012,523 | 68% |
| Other revenue | $11,497,004 | 10% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $85,086,379 | 84% |
| Management & general | $12,639,730 | 13% |
| Fundraising | $3,364,634 | 3% |
What the numbers show
- Program service revenue made up 68% of total revenue in FY2025.
- Program services accounted for 84% of functional expenses, management & general 13%, and fundraising 3%.
- 84% of functional expenses went to program services in FY2025. That is higher than 49.2% of 4430 Education organizations nationwide (too few in HI for a state comparison).
- Net assets covered about 43.5 months of expenses at the end of the reporting year. That puts it in the 70th percentile among 265 Education organizations in HI.
- Total revenue was higher than 99.6% of 274 Education organizations in HI.
- Total revenue rose from $45,353,603 in FY2012 to $110,832,276 in FY2025. Revenue increased in 10 and decreased in 3 of 13 year-over-year comparisons.
- Revenue covered expenses in each of the 14 reported years, FY2012 to FY2025.
- Net assets grew from $186,370,231 to $366,638,842 between FY2012 and FY2025.
- Contributions and grants made up 9% of revenue in FY2012 and 22% in FY2025.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
TO DEVELOP EDUCATED, WELL-ROUNDED INDIVIDUALS WHO ARE WELL PREPARED FOR COLLEGE.
IRS status
| Ruling year | 1942 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | B200 — Education |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
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Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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