Harold K L Castle Foundation has awarded $30 million across 394 grants to 181 grantees between 2020 and 2023. Its giving concentrates in education. Its typical grant is $47,464, with most between $20,000 and $100,000. Repeat grantees receive a median $50,000 versus $23,319 for first-time grantees.
Each grantee's funding from this organization, summed across all reported years. Largest first — click any column to re-sort.
| Grantee | Total received | Grants | Years | Latest | State | Support |
|---|---|---|---|---|---|---|
|
|
$6.7M | 46 | 2020–2023 | 2023 | HI | |
| H Hawaii Community Foundation (hcf) | $4.1M | 20 | 2020–2023 | 2023 | — | — |
| T The Nature Conservancy of Hawaii | $1.5M | 4 | 2020–2023 | 2023 | — | — |
| K Kuaaina Ulu Auamo (kua) | $1.2M | 4 | 2020–2023 | 2023 | — | — |
|
|
$650K | 6 | 2020–2023 | 2023 | DC | |
| T Teach for America (tfa) | $535K | 6 | 2020–2023 | 2023 | — | — |
| P Pilina Education Alliance | $450K | 4 | 2021–2023 | 2023 | — | — |
Resources Legacy Fund
|
$447K | 9 | 2020–2023 | 2023 | CA | |
|
|
$410K | 2 | 2020–2022 | 2022 | HI | |
| K Kualoa-Heeia Ecumenical Youth Project (key) | $410K | 6 | 2020–2023 | 2023 | — | — |
| H Hawaii Conservation Alliance Foundation | $400K | 2 | 2020–2021 | 2021 | — | — |
|
|
$395K | 3 | 2020–2023 | 2023 | HI | |
|
|
$382K | 5 | 2020–2023 | 2023 | HI | |
Hui O Hauula
|
$346K | 4 | 2020–2022 | 2022 | HI | |
| I Individual recipient | $339K | 5 | 2020–2023 | 2023 | — | — |
|
|
$326K | 6 | 2020–2023 | 2023 | HI | |
|
|
$315K | 3 | 2020–2022 | 2022 | HI | |
|
|
$309K | 4 | 2020–2022 | 2022 | HI | |
| C Conservation International | $300K | 3 | 2020–2021 | 2021 | — | — |
|
|
$300K | 2 | 2022–2023 | 2023 | CA | |
|
|
$274K | 3 | 2020–2022 | 2022 | HI | |
|
|
$265K | 2 | 2022–2023 | 2023 | HI | |
| I Individual recipient | $252K | 2 | 2020–2023 | 2023 | — | — |
Hawaii Workforce Pipeline INC
|
$247K | 3 | 2020–2022 | 2022 | HI | |
| M Malama Honua Public Charter School Foundation | $217K | 5 | 2020–2023 | 2023 | — | — |
| U University of Virginia | $217K | 2 | 2020–2023 | 2023 | — | — |
| H Hawaii Alliance of Nonprofit Organizations | $200K | 5 | 2020–2023 | 2023 | — | — |
| H Hawaiian Island Land Trust (hilt) | $200K | 2 | 2021–2022 | 2022 | — | — |
| C Collaborative Support Services (css) | $195K | 4 | 2020–2022 | 2022 | — | — |
Kauluakalana
|
$190K | 3 | 2020–2022 | 2022 | HI | |
|
|
$175K | 2 | 2022–2023 | 2023 | HI | |
|
|
$175K | 1 | 2023 | 2023 | HI | |
Kanehunamoku Voyaging Academy
|
$173K | 1 | 2021 | 2021 | HI | |
|
|
$172K | 2 | 2021 | 2021 | HI | |
The Education Incubator
|
$170K | 1 | 2020 | 2020 | HI | |
| W Windward School District | $168K | 4 | 2021–2023 | 2023 | — | — |
Lanakila Pacific
|
$158K | 3 | 2020–2023 | 2023 | HI | |
| C College Summit INC DBA Peerforward | $154K | 2 | 2022–2023 | 2023 | — | — |
| H Hawaii Department of Education Kailua Kalaheo Complex Area | $151K | 5 | 2020–2023 | 2023 | — | — |
|
|
$150K | 1 | 2023 | 2023 | MA | |
|
|
$150K | 2 | 2020–2022 | 2022 | CA | |
| P Partners in Care - Oahu's Continuum of Care | $150K | 2 | 2021–2022 | 2022 | — | — |
| W Wastewater Alternative and Innovations | $150K | 3 | 2020–2022 | 2022 | — | — |
|
|
$145K | 2 | 2020–2022 | 2022 | HI | |
|
|
$135K | 3 | 2020–2022 | 2022 | HI | |
Elemental Excelerator INC
|
$128K | 2 | 2021–2023 | 2023 | HI | |
| T The Pacific American Foundation (paf) | $126K | 1 | 2020 | 2020 | — | — |
|
|
$125K | 1 | 2022 | 2022 | HI | |
|
|
$125K | 3 | 2020–2023 | 2023 | HI | |
| H Hawaii Homeless Healthcare Hui (h4) | $125K | 2 | 2020–2021 | 2021 | — | — |
|
|
$125K | 3 | 2021–2023 | 2023 | HI | |
| I Institute for Human Services INC | $123K | 1 | 2021 | 2021 | — | — |
Kauai Economic Development Board INC
|
$115K | 2 | 2020–2023 | 2023 | HI | |
|
|
$110K | 2 | 2020–2021 | 2021 | HI | |
Adult Friends for Youth
|
$107K | 4 | 2020–2023 | 2023 | HI | |
|
|
$100K | 2 | 2020–2023 | 2023 | HI | |
Maui United Way INC
|
$100K | 1 | 2023 | 2023 | HI | |
| C City and County of Honolulu Office of Climate Change Sustainability and Res | $100K | 1 | 2023 | 2023 | — | — |
| U University of Hawaii | $100K | 1 | 2020 | 2020 | — | — |
Conservation International Foundation
|
$95K | 1 | 2023 | 2023 | VA | |
| L Legal Aid Society | $95K | 1 | 2021 | 2021 | — | — |
| H Hi Fusioned (isis Hawaii) | $90K | 3 | 2021–2023 | 2023 | — | — |
| Y YMCA - Windward Branch | $90K | 3 | 2020–2021 | 2021 | — | — |
| A Asu Foundation | $87K | 2 | 2021–2022 | 2022 | — | — |
|
|
$80K | 3 | 2020–2023 | 2023 | HI | |
| W Waimanalo Canoe Club | $80K | 2 | 2020–2023 | 2023 | HI | |
| L Leadership Instituue Hawaii Department of Education | $80K | 1 | 2023 | 2023 | — | — |
| H Hawaii Technology Academy | $75K | 2 | 2020–2021 | 2021 | — | — |
| S State Higher Education Executive Officers Association | $75K | 2 | 2021–2022 | 2022 | — | — |
|
|
$75K | 1 | 2023 | 2023 | CA | |
|
|
$75K | 2 | 2022–2023 | 2023 | HI | |
| K Koolau Foundation | $75K | 1 | 2023 | 2023 | — | — |
| H Hawaii State Board of Education | $75K | 2 | 2021–2022 | 2022 | — | — |
|
|
$75K | 2 | 2020 | 2020 | HI | |
|
|
$74K | 1 | 2021 | 2021 | HI | |
|
|
$70K | 2 | 2021–2023 | 2023 | HI | |
| I Individual recipient | $70K | 3 | 2022–2023 | 2023 | — | — |
| A Alternative Structures International | $68K | 1 | 2021 | 2021 | — | — |
|
|
$63K | 1 | 2022 | 2022 | HI | |
| A Associated Builders & Contractors INC | $60K | 1 | 2023 | 2023 | — | — |
| H Hawaii Electricians Training Fund | $60K | 1 | 2023 | 2023 | HI | |
|
|
$60K | 2 | 2020–2022 | 2022 | HI | |
Palama Settlement
|
$60K | 2 | 2021–2023 | 2023 | HI | |
Makaha Cultural Learning Center
|
$60K | 1 | 2023 | 2023 | HI | |
| R Residential Youth Services & Empowerment | $60K | 2 | 2021–2023 | 2023 | — | — |
Domestic Violence Action Center
|
$50K | 1 | 2020 | 2020 | HI | |
|
|
$50K | 1 | 2023 | 2023 | HI | |
|
|
$50K | 2 | 2022–2023 | 2023 | CA | |
|
|
$50K | 1 | 2020 | 2020 | HI | |
|
|
$50K | 1 | 2023 | 2023 | HI | |
|
|
$50K | 2 | 2020–2021 | 2021 | HI | |
|
|
$50K | 2 | 2021–2022 | 2022 | HI | |
|
|
$50K | 1 | 2023 | 2023 | DC | |
| I Individual recipient | $50K | 2 | 2022–2023 | 2023 | — | — |
| H Hawaii People's Fund | $50K | 1 | 2023 | 2023 | — | — |
| H Hawaii Appleseed Center for Law & Economic Justice | $50K | 1 | 2022 | 2022 | — | — |
| W Wastewater Alternatives and Innovations | $50K | 1 | 2023 | 2023 | — | — |
|
|
$50K | 1 | 2023 | 2023 | CA | |
| K Kalanihale | $50K | 2 | 2020–2021 | 2021 | HI | |
Legal Aid Society of Hawaii
|
$40K | 1 | 2020 | 2020 | HI |
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