Rows of old wooden school desks in an empty classroom

Grant recipient EIN 47-3699669Education

Who funds The Helix School?

13 private foundations gave The Helix School in San Rafael, CA $432,962 across 28 grants, in tax years 2018 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2018 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

28 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. Siebert Williams Shank FoundationNew York, NY 2025

    Support for general use

    $5,000
  2. Rothkopf Family Charitable FoundationTiburon, CA 2025

    To further exempt purpose of org.

    $1,000
  3. The William G Irwin Charity FoundationSan Francisco, CA 2024

    Transportation for our transition program

    $100,000
  4. Bothin FoundationSan Francisco, CA 2024

    Purchase and install playground equipment and retaining wall

    $50,000
  5. The Venverloh Family FoundationGrandville, MI 2024

    Charitable programs

    $20,000
  6. Patricia & Bernard Goldstein Family FoundationRye, NY 2024

    For operations

    $10,000
  7. Dan and Stacey Case Family FoundationSan Francisco, CA 2023

    To further organization's charitable purposes

    $20,100
  8. The Venverloh Family FoundationGrandville, MI 2023

    Charitable programs

    $20,000
  9. Amazonsmile FoundationSeattle, WA 2023

    General support

    $34
  10. The Venverloh Family FoundationGrandville, MI 2022

    Charitable programs

    $20,000
  11. K5 FoundationSan Francisco, CA 2022

    To further the educational mission of the school.

    $15,000
  12. Westridge FoundationWilmington, DE 2022

    General & Unrestricted

    $5,000
  13. Rothkopf Family Charitable FoundationTiburon, CA 2022

    To prepare children on autism spectr

    $2,000
  14. Amazonsmile FoundationSeattle, WA 2022

    General support

    $98
  15. The Venverloh Family FoundationGrandville, MI 2021

    Charitable programs

    $45,000
  16. Greene Van Arsdale FoundationSan Mateo, CA 2021

    To promote the work of the organization

    $15,000
  17. James and Sally Scapa Family FoundationBloomfield Hills, MI 2021

    General operations

    $10,000
  18. Rothkopf Family Charitable FoundationTiburon, CA 2021

    To prepare children on the autism spectrum for a fulfilling future through dynamic relationship-based interdisciplinary education.

    $1,000
  19. Amazonsmile FoundationSeattle, WA 2021

    General support

    $151
  20. Greene Van Arsdale FoundationSan Mateo, CA 2020

    To promote the work of the organization

    $30,000
  21. K5 FoundationSan Francisco, CA 2020

    General Operating Support

    $10,000
  22. Rothkopf Family Charitable FoundationTiburon, CA 2020

    To prepare children on the autism spectrum for a fulfilling future through dynamic relationship-based interdisciplinary education.

    $6,000
  23. The Venverloh Family FoundationGrandville, MI 2020

    Charitable programs

    $5,000
  24. Amazonsmile FoundationSeattle, WA 2020

    General support

    $79
  25. William S & Nancy E Thompson FoundationIrvine, CA 2019

    General support

    $25,000
  26. K5 FoundationSan Francisco, CA 2019

    To further the educational mission of the school.

    $7,500
  27. The Venverloh Family FoundationGrandville, MI 2019

    Charitable programs

    $5,000
  28. Westridge FoundationWilmington, DE 2018

    General & Unrestricted

    $5,000

Funders of similar organizations nearby

Foundations that gave to other education organizations in Mill Valley, CA and are not among The Helix School’s funders above.

  1. The Bank of America Charitable Foundation IncCharlotte, NC 19 grants Accepts applications $45,568 to similar organizations
  2. Gordon E and Betty I Moore FoundationPalo Alto, CA 11 grants Preselected only $64,802 to similar organizations
  3. The Springcreek FoundationBerkeley, CA 6 grants Preselected only $45,000 to similar organizations
  4. Katz Family FoundationMill Valley, CA 4 grants Preselected only $33,050 to similar organizations
  5. Pollybill Foundation IncMilwaukee, WI 4 grants Preselected only $25,000 to similar organizations
  6. Equitable Foundation IncNew York, NY 3 grants Accepts applications $3,400 to similar organizations
  7. Citizens Charitable FoundationJohnston, RI 2 grants Preselected only $2,000 to similar organizations
  8. Williams-Sonoma Inc FoundationSan Francisco, CA 2 grants Preselected only $800 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 47-3699669 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.