Rows of old wooden school desks in an empty classroom

Grant recipient EIN 20-5593485Education

Who funds Mastery Charter Schools Foundation?

22 private foundations gave Mastery Charter Schools Foundation in Philadelphia, PA $13.6 million across 54 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

54 grants

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

  1. The William Penn FoundationPhiladelphia, PA 2024

    Rebound anti-gun violence initiative

    $519,173
  2. Adam and Maria Sarah Seybert Institution for Poor Boys and GirlsPhiladelphia, PA 2024

    General operating

    $40,000
  3. Carolyn & George Rowland Char FDN TRNew York, NY 2024

    General support grant

    $20,000
  4. The William Penn FoundationPhiladelphia, PA 2024

    General support

    $5,000
  5. Henry L Kimelman Family FoundationWilmington, DE 2024

    General & Unrestricted

    $1,000
  6. The William Penn FoundationPhiladelphia, PA 2023

    Rebound anti-gun violence initiative

    $529,007
  7. The William Penn FoundationPhiladelphia, PA 2023

    General support

    $5,000
  8. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2023

    Impact and innovation

    $1,000
  9. Henry L Kimelman Family FoundationWilmington, DE 2023

    Founders Fund

    $1,000
  10. Amazonsmile FoundationSeattle, WA 2023

    General support

    $593
  11. The William Penn FoundationPhiladelphia, PA 2022

    Rebound anti-gun violence initiative

    $401,346
  12. Gates FoundationSeattle, WA 2022

    K-12 education

    $99,295
  13. The Neubauer Family FoundationPhiladelphia, PA 2022

    Program support

    $50,000
  14. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2022

    Charter school capacity-building

    $25,000
  15. The William Penn FoundationPhiladelphia, PA 2022

    General support

    $5,000
  16. Intact Charitable Trust USAPlymouth, MN 2022

    Donation

    $2,500
  17. Amazonsmile FoundationSeattle, WA 2022

    General support

    $1,050
  18. Henry L Kimelman Family FoundationWilmington, DE 2022

    General & Unrestricted

    $1,000
  19. Gates FoundationSeattle, WA 2021

    K-12 education

    $250,000
  20. Hilda & Preston Davis FoundationSarasota, FL 2021

    Student Enrichment Programs

    $25,000
  21. Henry L Kimelman Family FoundationWilmington, DE 2021

    General & Unrestricted

    $10,000
  22. The William Penn FoundationPhiladelphia, PA 2021

    General support

    $5,000
  23. The Neubauer Family FoundationPhiladelphia, PA 2021

    Program support

    $4,000
  24. Intact Charitable Trust USAPlymouth, MN 2021

    Donation

    $2,500
  25. WSFS Community FoundationPhiladelphia, PA 2021

    Assist with technology needs due to covid-19

    $2,500
  26. Amazonsmile FoundationSeattle, WA 2021

    General support

    $1,114
  27. Gates FoundationSeattle, WA 2020

    K-12 education

    $543,949
  28. The William Penn FoundationPhiladelphia, PA 2020

    Early literacy partnership with cli

    $485,928
  29. The Neubauer Family FoundationPhiladelphia, PA 2020

    Program support

    $32,600
  30. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2020

    Pandemic relief - remote learning

    $30,000
  31. Hilda & Preston Davis FoundationSarasota, FL 2020

    Student Enrichment Programs

    $25,000
  32. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2020

    Pandemic relief - remote learning

    $20,000
  33. Henry L Kimelman Family FoundationWilmington, DE 2020

    COVID-19 response efforts fund

    $10,000
  34. Amazonsmile FoundationSeattle, WA 2020

    General support

    $817
  35. The Wallace FoundationNew York, NY 2020

    Employee Directed Covid Relief Grant - General Support

    $500
  36. The Brook J Lenfest Foundation IncAudubon, PA 2019

    Endowment

    $3,000,000
  37. Susquehanna FoundationBala Cynwyd, PA 2019

    General fund

    $1,200,000
  38. Gates FoundationSeattle, WA 2019

    K-12 education

    $503,324
  39. The Kopelman FoundationGladwyne, PA 2019

    To fund the recipients operating budget

    $50,000
  40. Maurice Romy FDN Dima-Br WDPBensalem, PA 2019

    Technology equipment (4)

    $48,108
  41. Henry L Kimelman Family FoundationWilmington, DE 2019

    General & Unrestricted

    $10,000
  42. The Rachel & Drew Katz Foundation IncCherry Hill, NJ 2019

    Charitable donation

    $5,000
  43. Henry L Kimelman Family FoundationWilmington, DE 2019

    Jeremy Nowak Scholarship Fund

    $5,000
  44. The Huron FoundationPhiladelphia, PA 2019

    To help fund the recipient's operating budget

    $2,500
  45. Olb Foundation IncBryn Mawr, PA 2019

    Philanthropy

    $400
  46. Susquehanna FoundationBala Cynwyd, PA 2018

    General fund

    $1,500,000
  47. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2018

    Charter school growth

    $253,895
  48. Louis Calder FoundationDenver, CO 2018

    Grade-level growth at mastery prep elementary

    $100,000
  49. Charter Fund Inc D/B/A Charter School Growth FundBroomfield, CO 2018

    Charter school growth

    $40,000
  50. Henry L Kimelman Family FoundationWilmington, DE 2018

    General & Unrestricted

    $10,000
  51. Sanders Caroline J S TD No 2Saint Louis, MO 2018

    General operating

    $5,000
  52. Steinebach PaulaSaint Louis, MO 2018

    General operating

    $5,000
  53. The Brook J Lenfest Foundation IncAudubon, PA 2017

    Expansion project

    $2,700,000
  54. The Brook J Lenfest Foundation IncAudubon, PA 2017

    Endowment

    $1,000,000

Funders of similar organizations nearby

Foundations that gave to other education organizations in Philadelphia, PA and are not among Mastery Charter Schools Foundation’s funders above.

  1. The Cigna Group FoundationPhiladelphia, PA 890 grants Accepts applications $2,869,394 to similar organizations
  2. Connelly FoundationWest Conshohocken, PA 95 grants Accepts applications $8,569,592 to similar organizations
  3. The Bank of America Charitable Foundation IncCharlotte, NC 241 grants Accepts applications $1,872,699 to similar organizations
  4. JPMorgan Chase FoundationNew York, NY 111 grants Preselected only $1,453,335 to similar organizations
  5. The Pfizer Foundation IncNew York, NY 89 grants Preselected only $133,158 to similar organizations
  6. Lindback CR & MF Foundation TW MainSaint Louis, MO 101 grants Preselected only $482,000 to similar organizations
  7. The Patricia Kind Family FoundationPhiladelphia, PA 85 grants Accepts applications $1,521,000 to similar organizations
  8. Henry Dolfinger 2 Trust UWPhiladelphia, PA 89 grants Accepts applications $276,000 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 20-5593485 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.