The Maroon Bells above a meadow and lake near Aspen, Colorado
Foundation Lookup

Form 990-PFTax year 2024EIN 13-6015562

Louis Calder Foundation

A private foundation in Denver, CO. Its return for tax year 2024 lists 38 grants and $8.2 million paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Oct 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
M Alexander Calder
C/o the Louis Calder Foundation, 1331 17th Street Suite 602
Denver, CO 80202
(720) 943-9865
[email protected]
Form and materials
Https://www.louiscalderfoundation.org
Deadlines
Https://www.louiscalderfoundation.org
Restrictions
Https://www.louiscalderfoundation.org

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $8,196,825

    Grants listed
    38
    Assets, end of year
    $199,197,987

  • Tax year 2023

    $6,877,700

    Grants listed
    35
    Assets, end of year
    $194,177,460

  • Tax year 2022

    $7,854,785

    Grants listed
    43
    Assets, end of year
    $171,380,883

  • Tax year 2021

    $8,121,750

    Grants listed
    43
    Assets, end of year
    $170,366,757

  • Tax year 2020

    $8,924,315

    Grants listed
    68
    Assets, end of year
    $216,288,032

  • Tax year 2019

    $7,886,325

    Grants listed
    98
    Assets, end of year
    $188,480,821

  • Tax year 2018

    $6,591,150

    Grants listed
    61
    Assets, end of year
    $183,822,034

Grants paid in 2024

38 grants, largest first

As listed on the return.

  1. Charter Fund IncDenver, CO

    Growth of charter schools

    $1,000,000
  2. Array Education IncNew York, NY

    Fiscal sponsor for the literacy group, science of reading

    $750,000
  3. Cambiar EducationLos Angeles, CA

    Fiscal sponsor for magpie literacy, science of reading

    $600,000
  4. Instruction PartnersNashville, TN

    Science of reading

    $500,000
  5. Jeremiah ProgramMinneapolis, MN

    Two-generation family learning

    $400,000
  6. The Achievement Network LTDBoston, MA

    Science of reading

    $400,000
  7. Cambiar EducationLos Angeles, CA

    Fiscal sponsor for onyourmark, science of reading

    $375,000
  8. Achievement First IncNew Haven, CT

    Science of reading

    $350,000
  9. Colorado Schools FundDenver, CO

    Growth of charter schools

    $300,000
  10. KIPP FoundationSan Francisco, CA

    Science of reading

    $300,000
  11. Becoming Collegiate Academy IncJacksonville, FL

    Growth of charter schools

    $260,000
  12. Excellent Schools New MexicoAlbuquerque, NM

    Growth of charter schools

    $250,000
  13. KIPP Colorado SchoolsDenver, CO

    Science of reading

    $250,000
  14. Reach Out and Read IncBoston, MA

    Two-generation family learning

    $250,000
  15. Nashville ClassicalNashville, TN

    Growth of charter schools

    $200,000
  16. Seton Education PartnersNew York, NY

    Growth of charter schools

    $200,000
  17. KIPP Jacksonville IncJacksonville, FL

    Science of reading

    $175,000
  18. Building Responsible Intelligent Creative KidsNewark, NJ

    Growth of charter schools

    $150,000
  19. Encompass Community SchoolNashville, TN

    Growth of charter schools

    $150,000
  20. Episcopal Children's Services IncJacksonville, FL

    Trustee discretionary support for high quality learning opportunity

    $150,000
  21. University Preparatory SchoolsDenver, CO

    Science of reading

    $140,000
  22. Independence Schools of AlabamaFairfield, AL

    Growth of charter schools

    $125,000
  23. KIPP North Carolina Public Schools IncDurham, NC

    Science of reading

    $125,000
  24. Dekalb Brilliance Academy IncDecatur, GA

    Growth of charter schools

    $100,000
  25. Honor Preparatory Charter SchoolCharlotte, NC

    Growth of charter schools

    $100,000
  26. Invictus Nashville Charter SchoolNashville, TN

    Growth of charter schools

    $100,000
  27. KIPP New York IncNew York, NY

    Science of reading

    $100,000
  28. Miles Ahead Charter SchoolPowder Springs, GA

    Growth of charter schools

    $100,000
  29. Valley SettlementSilt, CO

    Two-generation family learning

    $75,000
  30. University Charter SchoolLivingston, AL

    Science of reading

    $65,000
  31. University Settlement Society of New YorkNew York, NY

    Two-generation family learning

    $50,000
  32. West Palm Golf Community Trust IncWest Palm BCH, FL

    Trustee discretionary support for high quality learning opportunity

    $50,000
  33. Horizons National Student Enrichment Program IncNorwalk, CT

    Trustee discretionary support for high quality learning opportunity

    $25,000
  34. Interfaith Neighbors IncAsbury Park, NJ

    Trustee discretionary support for high quality learning opportunity

    $25,000
  35. Philanthropy ColoradoDenver, CO

    General operating support

    $2,575
  36. Peak Grantmaking IncWashington, DC

    General operating support

    $2,250
  37. Civic News CompanyNew York, NY

    Research

    $1,000
  38. The 74 Media IncNew York, NY

    Research

    $1,000

Approved for future payment

27 grants

Approved in 2024 and not yet paid.

  1. FBF Education Collective IncBrooklyn, NY

    Trustee discretionary support for high quality learning opportunity

    $2,000,000
  2. Charter Fund IncDenver, CO

    Growth of charter schools

    $1,000,000
  3. Instruction PartnersNashville, TN

    Science of reading

    $1,000,000
  4. New Schools for AlabamaBirmingham, AL

    Growth of charter schools

    $900,000
  5. Cambiar EducationLos Angeles, CA

    Fiscal sponsor for magpie literacy, science of reading

    $600,000
  6. Array Education IncNew York, NY

    Fiscal sponsor for the literacy group, science of reading

    $500,000
  7. Moxie Public SchoolsPortland, ME

    Growth of charter schools

    $450,000
  8. Fishtank Learning IncJamaica Plain, MA

    Science of reading

    $400,000
  9. Jeremiah ProgramMinneapolis, MN

    Two-generation family learning

    $400,000
  10. Cambiar EducationLos Angeles, CA

    Fiscal sponsor for onyourmark, science of reading

    $375,000
  11. Colorado Schools FundDenver, CO

    Growth of charter schools

    $300,000
  12. KIPP FoundationSan Francisco, CA

    Science of reading

    $300,000
  13. Independence Schools of AlabamaFairfield, AL

    Growth of charter schools

    $250,000
  14. Reach Out and Read IncBoston, MA

    Two-generation family learning

    $250,000
  15. El Education IncNew York, NY

    Science of reading

    $200,000
  16. Nashville ClassicalNashville, TN

    Growth of charter schools

    $200,000
  17. KIPP Jacksonville IncJacksonville, FL

    Science of reading

    $175,000
  18. Building Responsible Intelligent Creative KidsNewark, NJ

    Growth of charter schools

    $150,000
  19. Encompass Community SchoolNashville, TN

    Growth of charter schools

    $150,000
  20. KIPP Colorado SchoolsDenver, CO

    Science of reading

    $150,000
  21. KIPP North Carolina Public Schools IncDurham, NC

    Science of reading

    $150,000
  22. Becoming Collegiate Academy IncJacksonville, FL

    Growth of charter schools

    $125,000
  23. Honor Preparatory Charter SchoolCharlotte, NC

    Growth of charter schools

    $100,000
  24. Invictus Nashville Charter SchoolNashville, TN

    Growth of charter schools

    $100,000
  25. Miles Ahead Charter SchoolPowder Springs, GA

    Growth of charter schools

    $100,000
  26. University Preparatory SchoolsDenver, CO

    Science of reading

    $85,000
  27. University Settlement Society of New YorkNew York, NY

    Two-generation family learning

    $50,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education24 grants $5,016,00073% of the total
  2. Philanthropy and grantmaking4 grants $1,304,82519% of the total
  3. Housing and shelter1 grant $400,0006% of the total
  4. Human services1 grant $150,0002% of the total
  5. Arts and culture1 grant $1,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Colorado6 grants $1,767,575
  2. New York7 grants $1,402,000
  3. California2 grants $975,000
  4. Tennessee4 grants $950,000
  5. Massachusetts2 grants $650,000
  6. Florida4 grants $635,000
  7. Minnesota1 grant $400,000
  8. Connecticut2 grants $375,000
  9. New Mexico1 grant $250,000
  10. North Carolina2 grants $225,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • M Alexander CalderTRUSTEE/EXECUTIVE DIRECTOR Hours 40Pay $364,000
  • Peter D CalderTRUSTEE Hours 15Pay $150,000
  • Frank E ShanleyTRUSTEE Hours 15Pay $150,000

The return

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