Grabhorn Institute

Gary Philanthropy

Denver, CO

Gary Philanthropy funds Colorado organizations and public or intermediary partners working to improve outcomes for children and families, including school readiness and after-school and summer enrichment; school readiness has a stated focus on Adams, Arapahoe, Denver, and Jefferson counties. Its active enrichment grant offers up to $40,000, and it issues a request for proposals once a year. It welcomes opportunities to connect with aligned organizations, but the profile does not say whether it accepts unsolicited grant requests.

Rooted

Denver, CO

ROOTED supports education equity, community-school partnerships, and policy or systems change, primarily in Denver and the broader Denver public school community. Its 2025 grants ranged from $6,000 to $529,000, with a median award of $20,000. Grants are by invitation only; applicants must be eligible nonprofits or fiscally sponsored groups meeting its stated criteria.

Donnell-Kay Foundation Inc

Denver, CO

Margulf Foundation

Glendale, CO

The Margulf Foundation funds efforts to improve learning environments and support the people and communities that help youth learn, primarily in Colorado and also in other states. Its 2025 grants ranged from $2,500 to $760,000, with a median of $53,750; it does not accept unsolicited requests and funds preselected organizations.

Charter Fund Inc D/B/a Charter School Growth Fund

Denver, CO

Charter Fund Inc. funds nonprofit public charter schools and networks with strong academic results, especially those serving underserved students and planning to grow, in the United States and its territories. Its typical grant is around $250,000 (the 2024 median); Seed grants are $250,000–$750,000, while Scale grants and low-interest loans start at $750,000. It invites education entrepreneurs to connect and describes application processes for both programs.

Gates Family Foundation

Denver, CO

Gates Family Foundation funds Colorado-focused work in education, natural resources, community development, informed communities, and capital projects benefiting Colorado residents. Its 2025 grants ranged from $2,000 to $20 million, with a median of $25,000. It does not accept unsolicited requests for strategic grants; capital grant applications are accepted.

Walton Family Foundation Inc

Bentonville, AR

The Walton Family Foundation funds K–12 education, river and ocean conservation, and quality-of-life initiatives in Northwest Arkansas and the Arkansas-Mississippi Delta; its grants also support organizations and projects elsewhere in the U.S. Its 2024 grants had a median of $200,000, with awards ranging from $1,000 to $35.6 million. It does not accept unsolicited requests except from eligible public charter school developers applying to its startup grant program; other organizations must first submit a letter of inquiry and await an invitation.

The Denver Foundation

Denver, CO

The Denver Foundation supports community organizations working on economic opportunity, climate and environment, housing, youth well-being, and related charitable work, with racial equity guiding its grantmaking. Its Community Grants typically award $20,000–$50,000 to organizations serving the seven-county Metro Denver region; other funds have different award levels and may support work beyond the region.

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

California Community Foundation

Los Angeles, CA

The California Community Foundation funds work in education, health, housing, immigration, and other community needs, primarily in Los Angeles County. Its 2025 grants had a median of $50,000, though amounts varied widely; it does not accept unsolicited funding requests.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, gender equity, governance, democracy, and philanthropy, with work in the San Francisco Bay Area, the U.S. West, nationally, and internationally. Its 2024 grants had a median of $150,000, though awards ranged from $50 to more than $11 million; it often provides long-term general operating support. It generally does not accept unsolicited requests, except through invited open processes.

Marin Community Foundation

Novato, CA

Marin Community Foundation funds equity-focused work, including affordable housing, homelessness, community resilience and power, and arts; its Buck Family Fund supports organizations serving Marin County, including those based elsewhere. Its 2025 grants had a median of $25,000 and ranged from $5,050 to $10 million; the profile does not state whether it accepts unsolicited requests.