AI Summary
The Mill Spring Foundation is a 501(c)(3) grantmaking organization that focuses on relationship-based funding, making grants exclusively by invitation and does not accept unsolicited proposals. In 2025, it distributed a total of $653K across 29 grantees. Nonprofits interested in connecting with the foundation can explore warm-introduction pathways through Impala's Funder Prospecting.
Cause Areas
1
Foundations
Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Grantee
Total Funding
Funding Share
WORLD AFFAIRS COUNCIL OF PHILADELPHIA
PHILADELPHIA, PA
$725K
23%
WILLIAM PENN CHARTER SCHOOL INC
Philadelphia, PA
$500K
16%
THE PUBLIC SCHOOL OF GERMANTOWN
Fort Washington, PA
$325K
10%
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Total No. of Grants
22
Median 1st year grant
$10K
Median 2nd year grant
$10K
Top 3 Grants
Matched grants only
Grantee
Grant Size
Frequently Asked Questions
Can I submit an unsolicited grant proposal to The Mill Spring Foundation?
No. The Mill Spring Foundation does not accept unsolicited proposals. Funding is by invitation only.
Where does The Mill Spring Foundation give?
The Mill Spring Foundation primarily gives to organizations located in Pennsylvania, Delaware, and Virginia. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are The Mill Spring Foundation’s grants?
The largest share of grants from The Mill Spring Foundation fall in the $5,000 to $25 thousand range. The median first-year grant is about $10 thousand. More detailed grant size data is available to registered users.
How many grants does The Mill Spring Foundation make each year?
In 2025, The Mill Spring Foundation awarded about 20 grants, totaling nearly $653 thousand. More detailed grant metrics are available to registered users.
Who did The Mill Spring Foundation fund recently?
In 2025, The Mill Spring Foundation awarded grants to about 30 grantees. Recent grantees include WORLD AFFAIRS COUNCIL OF PHILADELPHIA, WILLIAM PENN CHARTER SCHOOL INC, and THE PUBLIC SCHOOL OF GERMANTOWN. More detailed information on all recent recipients is available to registered users.
How do we apply to The Mill Spring Foundation?
The Mill Spring Foundation does not accept unsolicited proposals. Funding is by invitation only.