Louis Calder Foundation
Historical FunderDenver, Colorado · EIN 13-6015562 · Private foundation · Website
Grants paid (2024)$8.2M
Organizations funded38
Typical grant$150,000
Total assets$199.2M
Half of its grants to organizations were between $75,000 and $300,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | M ALEXANDER CALDER |
|---|---|
| Address | C/O THE LOUIS CALDER FOUNDATION, 1331 17TH STREET SUITE 602, DENVER CO 80202 |
| Phone | 7209439865 |
| ALEXANDER.CALDER@CALDERFDN.ORG | |
| Form and materials | HTTPS://WWW.LOUISCALDERFOUNDATION.ORG |
| Deadlines | HTTPS://WWW.LOUISCALDERFOUNDATION.ORG |
| Restrictions | HTTPS://WWW.LOUISCALDERFOUNDATION.ORG |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
84% of grants went outside Colorado.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Charter Fund Inc | Denver, CO | Growth of charter schools | $1,000,000 |
| Array Education Inc | New York, NY | Fiscal sponsor for the literacy group, science of reading | $750,000 |
| Cambiar Education | Los Angeles, CA | Fiscal sponsor for magpie literacy, science of reading | $600,000 |
| Instruction Partners | Nashville, TN | Science of reading | $500,000 |
| Jeremiah Program | Minneapolis, MN | Two-Generation family learning | $400,000 |
| The Achievement Network Ltd | Boston, MA | Science of reading | $400,000 |
| Cambiar Education | Los Angeles, CA | Fiscal sponsor for onyourmark, science of reading | $375,000 |
| Achievement First Inc | New Haven, CT | Science of reading | $350,000 |
| Colorado Schools Fund | Denver, CO | Growth of charter schools | $300,000 |
| Kipp Foundation | New York, NY | Science of reading | $300,000 |
| Becoming Collegiate Academy Inc | Jacksonville, FL | Growth of charter schools | $260,000 |
| Excellent Schools New Mexico | Albuquerque, NM | Growth of charter schools | $250,000 |
| Kipp Colorado Schools | Denver, CO | Science of reading | $250,000 |
| Reach Out and Read Inc | Boston, MA | Two-Generation family learning | $250,000 |
| Nashville Classical | Nashville, TN | Growth of charter schools | $200,000 |
| Seton Education Partners | New York, NY | Growth of charter schools | $200,000 |
| Kipp Jacksonville Inc | Jacksonville, FL | Science of reading | $175,000 |
| Building Responsible Intelligent Creative Kids | Newark, NJ | Growth of charter schools | $150,000 |
| Encompass Community School | Nashville, TN | Growth of charter schools | $150,000 |
| Episcopal Children's Services Inc | Jacksonville, FL | Trustee discretionary support for high quality learning opportunity | $150,000 |
| University Preparatory Schools | Denver, CO | Science of reading | $140,000 |
| Independence Schools of Alabama | Fairfield, AL | Growth of charter schools | $125,000 |
| Kipp North Carolina Public Schools Inc | Durham, NC | Science of reading | $125,000 |
| Dekalb Brilliance Academy Inc | Decatur, GA | Growth of charter schools | $100,000 |
| Honor Preparatory Charter School | Midland, NC | Growth of charter schools | $100,000 |
| Invictus Nashville Charter School | Nashville, TN | Growth of charter schools | $100,000 |
| Kipp New York Inc | New York, NY | Science of reading | $100,000 |
| Miles Ahead Charter School | Powder Springs, GA | Growth of charter schools | $100,000 |
| Valley Settlement | Glenwood Springs, CO | Two-Generation family learning | $75,000 |
| University Charter School | Livingston, AL | Science of reading | $65,000 |
| University Settlement Society of New York | New York, NY | Two-Generation family learning | $50,000 |
| West Palm Golf Community Trust Inc | West Palm Beach, FL | Trustee discretionary support for high quality learning opportunity | $50,000 |
| Horizons National Student Enrichment Program Inc | Norwalk, CT | Trustee discretionary support for high quality learning opportunity | $25,000 |
| Interfaith Neighbors Inc | Asbury Park, NJ | Trustee discretionary support for high quality learning opportunity | $25,000 |
| Philanthropy Colorado | Arvada, CO | General operating support | $2,575 |
| Peak Grantmaking Inc | Washington, DC | General operating support | $2,250 |
| Civic News Company | New York, NY | Research | $1,000 |
| The 74 Media Inc | New York, NY | Research | $1,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fbf Education Collective Inc | Brooklyn, NY | Trustee discretionary support for high quality learning opportunity | $2,000,000 |
| Charter Fund Inc | Denver, CO | Growth of charter schools | $1,000,000 |
| Instruction Partners | Nashville, TN | Science of reading | $1,000,000 |
| New Schools for Alabama | Birmingham, AL | Growth of charter schools | $900,000 |
| Cambiar Education | Los Angeles, CA | Fiscal sponsor for magpie literacy, science of reading | $600,000 |
| Array Education Inc | New York, NY | Fiscal sponsor for the literacy group, science of reading | $500,000 |
| Moxie Public Schools | Portland, ME | Growth of charter schools | $450,000 |
| Fishtank Learning Inc | Boston, MA | Science of reading | $400,000 |
| Jeremiah Program | Minneapolis, MN | Two-Generation family learning | $400,000 |
| Cambiar Education | Los Angeles, CA | Fiscal sponsor for onyourmark, science of reading | $375,000 |
| Colorado Schools Fund | Denver, CO | Growth of charter schools | $300,000 |
| Kipp Foundation | New York, NY | Science of reading | $300,000 |
| Independence Schools of Alabama | Fairfield, AL | Growth of charter schools | $250,000 |
| Reach Out and Read Inc | Boston, MA | Two-Generation family learning | $250,000 |
| El Education Inc | New York, NY | Science of reading | $200,000 |
| Nashville Classical | Nashville, TN | Growth of charter schools | $200,000 |
| Kipp Jacksonville Inc | Jacksonville, FL | Science of reading | $175,000 |
| Building Responsible Intelligent Creative Kids | Newark, NJ | Growth of charter schools | $150,000 |
| Encompass Community School | Nashville, TN | Growth of charter schools | $150,000 |
| Kipp Colorado Schools | Denver, CO | Science of reading | $150,000 |
| Kipp North Carolina Public Schools Inc | Durham, NC | Science of reading | $150,000 |
| Becoming Collegiate Academy Inc | Jacksonville, FL | Growth of charter schools | $125,000 |
| Honor Preparatory Charter School | Midland, NC | Growth of charter schools | $100,000 |
| Invictus Nashville Charter School | Nashville, TN | Growth of charter schools | $100,000 |
| Miles Ahead Charter School | Powder Springs, GA | Growth of charter schools | $100,000 |
| University Preparatory Schools | Denver, CO | Science of reading | $85,000 |
| University Settlement Society of New York | New York, NY | Two-Generation family learning | $50,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $8,196,825 | 65 |
| 2023 | $6,877,700 | 50 |
| 2022 | $7,854,785 | 62 |
Sources
- IRS Form 990-PF, tax year 2024, filed Jul 23, 2026 - IRS e-file batch, object ID 202632049349100903
- IRS Tax Exempt Organization Search for EIN 13-6015562
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.