The Aragon High School PTSO raises funds through the Aragon Excellence Fund (AEF) to enrich every Aragon student's academic experience by supporting curriculum, additional class sections, counseling and college/career services, classroom materials and technology, teacher professional development, and student scholarships.
Aragon High School Ptso Inc channels its grantmaking through the Aragon Excellence Fund, a school-based fund that supports curriculum, additional class sections, counseling and college/career services, classroom materials and technology, teacher professional development, and student scholarships. The recent record shows the foundation sending six-figure annual support to Aragon High School in San Mateo, with three large grants/donations in the latest years on file. Those payments were directed to fund classes, programs, and staff, which places the organization squarely in restricted school-level support rather than broad outside grantmaking. One grant to Aragon High School totaled $394,944 in 2024, and another totaled $328,828 in 2025, showing a repeated pattern of backing the same school entity over multiple years. The stated fundraising campaign also includes family donations and business partner opportunities, linking the funder’s resources to a local school community rather than an open application pool.
Curriculum and class-size support are central to the funder’s work. The Aragon Excellence Fund is explicitly used for curriculum, additional class sections, classroom materials, and technology, and the recent grants table shows a $394,944 payment to Aragon High School in 2024 for classes, programs, and staff. Counseling and college/career services are also part of the program design, tying grant support to student planning and guidance. Teacher development is another named priority: the fund supports teacher professional development, and the grant descriptions indicate the money flows into school operations rather than separate outside projects. Student scholarships are included in the fund’s stated purpose as well, alongside school-wide programs.
Grant size is highly concentrated: the typical range sits near the low-to-mid $300,000s, with p25 at $330,120, median at $331,412, and p75 at $363,178. The pattern also shows repeat support to the same recipient across multiple years, with Aragon High School appearing in 2023, 2024, and 2025. The organization is a pure DAF provider and gives locally, with all recorded grants going to recipients in California. It accepts unsolicited donations through the Aragon Excellence Fund, including family donations and business partner opportunities.
$410K
$665K
$548K
$551K
Most grants fall between $330K and $363K, with a median of $331K.
25th Percentile
$330K
Median
$331K
75th Percentile
$363K
About 100% of grants go to recipients in CA.
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Giving is tightly localized. All recorded grants went to U.S. recipients, and 100% were in the foundation’s HQ state of California. The recent grants list names Aragon High School in San Mateo, and the active fundraising program is also centered in San Mateo County. The business donation program extends its outreach to nearby communities including Burlingame, Foster City, Hillsborough, and San Bruno.
It funds the Aragon Excellence Fund, which supports curriculum, additional class sections, counseling and college/career services, classroom materials and technology, teacher professional development, student scholarships, and school-wide programs at Aragon High School.
The typical grant size is in the low-to-mid $300,000s: p25 is $330,120, median is $331,412, and p75 is $363,178.
The recent grant record shows repeated support to Aragon High School in San Mateo across 2023, 2024, and 2025, with all recorded grants going to that California recipient.
Yes. The Aragon Excellence Fund includes family donations and a business donation/business partner program, and both are described as accepting unsolicited support.
The business donation program offers tiered partnership packages with marketing and visibility benefits, including logo placement, email and social promotion, banners, event promotion, and custom marketing opportunities. The listed grant size for that program is $2,500 to $5,000.
2026
Source: IRS Form 990-PF, fiscal year 2026.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| ARAGON HIGH SCHOOL | SAN MATEO, CA | $410,154 | 2026 | TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF. |
| ARAGON HIGH SCHOOL | SAN MATEO, CA | $328,828 | 2025 | TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF. |
| ARAGON HIGH SCHOOL | SAN MATEO, CA | $394,944 | 2024 | TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF. |
| ARAGON HIGH SCHOOL | SAN MATEO, CA | $331,412 | 2023 | TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF. |
ARAGON HIGH SCHOOL
$410,154TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF.
ARAGON HIGH SCHOOL
$328,828TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF.
ARAGON HIGH SCHOOL
$394,944TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF.
ARAGON HIGH SCHOOL
$331,412TOTAL GRANTS/DONATIONS TO ARAGON HIGH SCHOOL TO FUND CLASSES, PROGRAMS AND STAFF.