Leighton Foundation Inc
Invitation OnlyLA Jolla, California · EIN 47-2908898 · Private foundation
Grants paid (2025)$570K
Organizations funded45
Typical grant$12,000
Total assets$8.4M
Half of its grants to organizations were between $8,200 and $15,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Thurgood Marshall Middle School | San Diego, CA | General funds | $30,000 |
| Scripps Mesa Steam Lab | San Diego, CA | General funds | $30,000 |
| Formosa Generations of Family Chamber of Mu | San Diego, CA | General funds | $26,000 |
| Srhs Baseball Booster Club | San Diego, CA | General funds | $22,700 |
| Ellen Browning Scripps Elementary School (Educational Field Trip) | San Diego, CA | General funds | $20,000 |
| Marshall Mustang Organization Mmo Science Olympiad | San Diego, CA | General funds | $20,000 |
| University of California San Digo Foundation Opals | LA Jolla, CA | General funds | $20,000 |
| Mirmar Ranch Elementary PTA Violin Ensemble Classes and Special Add Program | San Diego, CA | General funds | $20,000 |
| Srhs Music Boosters | San Diego, CA | General funds | $17,500 |
| Ebsjerebak Music Program | San Diego, CA | General funds | $15,000 |
| Ellen Browning Scripps Elementary School | San Diego, CA | General funds | $15,000 |
| Marshall Mustang Organization Mmo Theater Program | San Diego, CA | General funds | $15,000 |
| Scripps Ranch High School | San Diego, CA | General funds | $15,000 |
| Scripps Ranch Wrestling Booster Club | San Diego, CA | General funds | $15,000 |
| Highland Ranch Elementary PTA Coding Classes | San Diego, CA | General funds | $15,000 |
| Srhs Dance Club | San Diego, CA | General funds | $15,000 |
| Community Montessori Farm Project | Escondido, CA | General funds | $15,000 |
| UC San Diego Foundation Opals | LA Jolla, CA | General funds | $15,000 |
| Aviara Oaks Middle Orchestra | Carlsbad, CA | General funds | $14,200 |
| Valley Elementary School PTA | Poway, CA | General funds | $13,400 |
| Dimensions Collaborative School | Escondido, CA | General funds | $12,660 |
| Chollas Mead Elementary PTA | San Diego, CA | General funds | $12,000 |
| Jerabek Ffo Elementary Steam Lab | San Diego, CA | General funds | $12,000 |
| Mason Elementary School | San Diego, CA | General funds | $11,000 |
| Del Norte High School | San Diego, CA | General funds | $10,000 |
| California State University San Marcos Scholarship | San Marcos, CA | General funds | $10,000 |
| Campanille Music Festival | San Diego, CA | General funds | $10,000 |
| Turtleback Elementary School | San Diego, CA | General funds | $10,000 |
| Hage Elementary School PTA | San Diego, CA | General funds | $10,000 |
| Teralta Art | San Diego, CA | General funds | $10,000 |
| Logan Memorial Educational Campus Math Program | San Diego, CA | General funds | $10,000 |
| San Elijo Middle School Band Booster | San Marcos, CA | General funds | $8,500 |
| Valley Middle Band and Orchestra | Carlsbad, CA | General funds | $8,400 |
| Solana Ranch Elementary School National History Day Program | Solana Beach, CA | General funds | $8,200 |
| Westview Gold Booster (Westview High School) | San Diego, CA | General funds | $8,000 |
| Spark Enrichment (Strings Ensemble Workshop) | San Diego, CA | General funds | $7,500 |
| Spark Enrichment (Music Stands Books Equipment) | San Diego, CA | General funds | $7,500 |
| Scripps Ranch High School Olympiad Science | San Diego, CA | General funds | $7,000 |
| Wolverine Athletic Foundation | San Diego, CA | General funds | $6,800 |
| Srhs Music Boosters | San Diego, CA | General funds | $6,500 |
| Black Mountain Middle School | San Diego, CA | General funds | $5,000 |
| Dingeman Elmentary Family Faculty Connection Ffc | San Diego, CA | General funds | $5,000 |
| Wildcoast | Del Mar, CA | General funds | $2,400 |
| Canyon Crest Academy | San Diego, CA | General funds | $2,000 |
| Wildcoast | Del Mar, CA | General funds | $480 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $569,740 | 45 |
| 2024 | $169,500 | 20 |
| 2023 | $107,000 | 10 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 4, 2026 - IRS e-file batch, object ID 202621249349101247
- IRS Tax Exempt Organization Search for EIN 47-2908898
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.