· Private foundation
Mayfield Foundation Inc
Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2020–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k8 grants · $29k
- $10k–50k6 grants · $96k
| Recipient | Amount |
|---|---|
| THE KINKAID SCHOOL | $20,000 |
| THE WESTVIW SCHOOL | $20,000 |
| UT HEALTH | $15,000 |
| CAMP ALLEN | $15,000 |
| CHURCH OF THE HOLY CROSS | $14,000 |
| Individual grant recipient | $12,000 |
| BOYS & GIRLS CLUB OF THE FLATHEAD RESERVATION & LAKE CO | $5,000 |
| HOPE AND HEALING CENTER & INSTITUTE | $5,000 |
| GREATER POLSON COMMUNITY FOUNDATION | $5,000 |
| FLATHEAD LAKERS | $5,000 |
| NORTH LAKE COUNTY LIBRARY FOUNDATION | $5,000 |
| MISSION VALLEY LIVE | $1,500 |
| GLENWOOD CEMETERY HISTORIC PRESERVATION FOUNDATION | $1,000 |
| ST PATRICK'S EPISCOPAL CHURCH | $1,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY23–23, $5k) land where the poverty rate runs at 16%, against an area that typically sits at 10%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +28% since the first grant, against +2% for the ones you funded once.
14 repeat relationships — 11 still active in FY2025, 3 since wound down; 2 grantees were first funded in FY2025 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2025, 95% of grant dollars renewed an existing relationship; $6k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.
Backed again, and grew
- TKThe Kinkaid School Inc6× · 2020–2025 · $158k · revenue +88%
- TWThe Westview School Inc6× · 2020–2025 · $60k · revenue +28%
- CACamp Allen Camp & Conference Center6× · 2020–2025 · $45k · revenue +93%
Funded once
- JDJoy Development Schoolone grant, 2023 · $25k · revenue +2%
- TOTHE OVERLAKE SCHOOLgraduatedone grant, 2020 · $10k · revenue +89%
- HMHOUSTON METHODIST INSTITUTE TECHNOLone grant, 2020 · $10k
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
See Schedule OThe purpose of Awty International School (Awty) is to create an environment where students experience excellence every day to make their mark on the world alongside their community, in a spirit of curiosity, courage and…
The mission of the Lutheran Education Association of Houston (LEAH) is to operate and champion exemplary Lutheran schools in the Houston area to expand Christ's Kingdom.
TWCA is an independent, Christ-centered college preparatory school that integrates learning with biblical faith and challenges our students to reach their highest potential - intellectually, creatively, physically, and socially - for the…
Family, School, and Church united in the education and support of each child - this is the founding premise upon which Presbyterian School nurtures and challenges its students. The school provides an educational program of the highest…
See Schedule OSt. John's School is an independent, co-educational day school presenting a 13-year sequence of college preparatory training. A non-profit institution, it was founded in 1946 to provide the community with a school of exacting…
To create transformative learning experiences that empower a diverse community of students to lead lives of intellectual curiosity, personal integrity, and compassionate contribution to a more just world.
The Island School provides a flexible learning environment where each child is known and celebrated.
Independent school offering programs for infants, toddlers, preschool, and elementary school aged children with and without hearing loss.
Christian pre-school from age 3-months to school-age, and school from
Washington Episcopal School inspires academic and personal excellence within a joyful learning environment to develop students who are kind, confident, and prepared.
MADE Houston was formed to create a school community focused on nurturing and developing the unique academic and social needs of students with learning differences and to successfully transition students into mainstream schools.
See Schedule OThe mission of The John Cooper School is to provide a challenging education in a caring environment to a diverse group of select students, enabling them to become critical & creative thinkers, effective communicators,…
For reference, the grantee most central to the portfolio’s shape is The Overlake School and the most unlike its peers is North Lake County Library Foundation. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
12 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 12 of the 25 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds The Kinkaid School Inc ↗
- Who funds The Westview School Inc ↗
- Who funds Camp Allen Camp & Conference Center ↗
- Who funds Joy Development School ↗
- Who funds FLATHEAD LAKERS INC ↗
- Who funds GREATER POLSON COMMUNITY FOUNDATION INC ↗
- Who funds THE OVERLAKE SCHOOL ↗
- Who funds Hope and Healing Center & Institute ↗
- Who funds NORTH LAKE COUNTY LIBRARY FOUNDATION ↗
- Who funds SILVERADO FOUNDATION INC ↗
- Who funds Open Door Mission ↗
- Who funds GLENWOOD CEMETERY HISTORIC PRESERVATION FOUNDATION ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: Albert & Ethel Herzstein Charitable Foundation · The Brown Foundation Inc · Vivian L Smith Foundation · Shell USA Company Foundation · Greater Houston Community Foundation · The Ellwood Foundation · MD Anderson Foundation · The Elkins Foundation · Baxter Trust Co Private Foundation Services · The William Stamps Farish Fund · First Interstate BancSystem Foundation Inc · National Philanthropic Trust
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization Mayfield Foundation Inc funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.