Rows of old wooden school desks in an empty classroom

Grant recipient EIN 46-3513958Education

Who funds Illustrative Mathematics?

8 private foundations gave Illustrative Mathematics in Oro Valley, AZ $24.3 million across 37 grants, in tax years 2017 to 2024.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2024, 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

37 grants

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

  1. Gates FoundationSeattle, WA 2024

    K-12 education

    $3,000,000
  2. Gates FoundationSeattle, WA 2024

    K-12 education

    $490,000
  3. The William & Flora Hewlett FoundationMenlo Park, CA 2024

    For general operating support

    $275,000
  4. Gates FoundationSeattle, WA 2023

    K-12 education

    $500,000
  5. The William & Flora Hewlett FoundationMenlo Park, CA 2023

    For general operating support

    $275,000
  6. Amazonsmile FoundationSeattle, WA 2023

    General support

    $74
  7. Gates FoundationSeattle, WA 2022

    K-12 education

    $3,902,432
  8. Gates FoundationSeattle, WA 2022

    K-12 education

    $1,500,000
  9. The Heising-Simons FoundationLos Altos, CA 2022

    For prek/tk resources

    $665,000
  10. The William & Flora Hewlett FoundationMenlo Park, CA 2022

    For general operating support

    $275,000
  11. Amazonsmile FoundationSeattle, WA 2022

    General support

    $90
  12. Gates FoundationSeattle, WA 2021

    K-12 education

    $350,000
  13. The William & Flora Hewlett FoundationMenlo Park, CA 2021

    For diversity, equity and inclusion capacity and brand strategy

    $50,000
  14. Amazonsmile FoundationSeattle, WA 2021

    General support

    $123
  15. The Heising-Simons FoundationLos Altos, CA 2020

    For early grades school math curriculum and professional learning

    $1,250,000
  16. Gates FoundationSeattle, WA 2020

    K-12 education

    $1,030,000
  17. The Heising-Simons FoundationLos Altos, CA 2020

    To support remote teaching and learning for illustrative mathematics users

    $918,000
  18. The William & Flora Hewlett FoundationMenlo Park, CA 2020

    For general operating support

    $800,000
  19. Carnegie Corporation of New YorkNew York, NY 2020

    For a project to study the conditions, features, and impact of their online professional learning hub

    $300,000
  20. The Brookhill FoundationMilwaukee, WI 2020

    Mathematics curriculum

    $300,000
  21. Gates FoundationSeattle, WA 2020

    K-12 education

    $96,710
  22. The William & Flora Hewlett FoundationMenlo Park, CA 2020

    For diversity equity and inclusion capacity and brand strategy

    $50,000
  23. Amazonsmile FoundationSeattle, WA 2020

    General support

    $104
  24. Chan Zuckerberg Initiative FoundationPalo Alto, CA 2019

    Math Curriculum Materials

    $1,500,000
  25. Gates FoundationSeattle, WA 2019

    K-12 education

    $812,012
  26. Carnegie Corporation of New YorkNew York, NY 2019

    For a project to develop partnerships with other professional learning organizations to support the implementation of a high-quality math curriculum

    $300,000
  27. The Brookhill FoundationMilwaukee, WI 2019

    General operating

    $300,000
  28. The William & Flora Hewlett FoundationMenlo Park, CA 2019

    For general operating support

    $200,000
  29. The William & Flora Hewlett FoundationMenlo Park, CA 2019

    For general operating support

    $200,000
  30. Gates FoundationSeattle, WA 2019

    K-12 education

    $175,000
  31. Gates FoundationSeattle, WA 2018

    K-12 education

    $2,037,780
  32. The Brookhill FoundationMilwaukee, WI 2018

    General operating

    $300,000
  33. The William & Flora Hewlett FoundationMenlo Park, CA 2018

    For support to develop guided customization tools for teachers

    $250,000
  34. The William & Flora Hewlett FoundationMenlo Park, CA 2018

    For general operating support

    $200,000
  35. WK Kellogg FoundationBattle Creek, MI 2017

    support the development of an effective, standards-aligned mathematics curriculum framework for grades pre-k-5; detailed curriculum blueprints for grades pre-K-2 and pilot-ready kindergarten math modules with integrated professional learning to improve access to and quality of math instruction

    $900,000
  36. Gates FoundationSeattle, WA 2017

    K-12 education

    $881,657
  37. Carnegie Corporation of New YorkNew York, NY 2017

    For a project to design and implement a professional learning model to support middle school teachers using the illustrative math curriculum

    $200,000

Funders of similar organizations nearby

Foundations that gave to other education organizations in Oro Valley, AZ and are not among Illustrative Mathematics’s funders above.

  1. Harold and Virginia Simpson FoundationDenver, CO 1 grant Preselected only $12,000 to similar organizations
  2. The David and Lura LovellTucson, AZ 3 grants Preselected only $2,480 to similar organizations
  3. Texas Instruments FoundationDallas, TX 1 grant Accepts applications $200 to similar organizations
  4. The Pfizer Foundation IncNew York, NY 1 grant Preselected only $50 to similar organizations
  5. IBM International FoundationArmonk, NY 1 grant Preselected only $25 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 46-3513958 by name and ZIP code against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.