Grants paid by Hillsdale High School Foundation
EIN 87-0800728 · San Mateo, CA · Form 990, Schedule I · NTEE T30
Hillsdale High School Foundation of San Mateo, CA (EIN 87-0800728) reported 51 grants paid totaling $3,007,033 to 19 recipients in tax years 2018–2025, on Form 990, Schedule I. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$3,007,033
51 grants
Recipients
19
distinct organizations
Tax years
2018–2025
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 8 | $233,925 | — |
| 2019 | 9 | $450,633 | — |
| 2021 | 9 | $465,326 | — |
| 2022 | 10 | $643,378 | — |
| 2023 | 9 | $567,218 | — |
| 2024 | 4 | $319,525 | — |
| 2025 | 2 | $327,028 | — |
Top recipients
The 19 recipients receiving the most from Hillsdale High School Foundation, by grants paid, out of 19 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| San Mateo Union Hs District | U | San Mateo, CA | 5 | $830,834 | 2023 |
| San Mateo Union High School District (smuhsd) | U | San Mateo, CA | 2 | $560,553 | 2025 |
| Hillsdale Hs Athletic Booster 94-3004211 | A | San Mateo, CA | 5 | $441,613 | 2023 |
| Hhs Peace Pantry | U | San Mateo, CA | 3 | $323,419 | 2023 |
| Hhs Empowerment Thru Action | U | San Mateo, CA | 3 | $179,080 | 2023 |
| Hillsdale Hs Technology | U | San Mateo, CA | 4 | $129,643 | 2022 |
| Sv Community Foundation | U | Mountan View, CA | 1 | $100,000 | 2022 |
| Hillsdale Hs Ptso | U | San Mateo, CA | 5 | $86,142 | 2023 |
| Hillsdale High School 87-2694564 | A | San Mateo, CA | 2 | $76,000 | 2025 |
| Hillsdale Hs Curriculum | U | San Mateo, CA | 2 | $61,265 | 2022 |
| Hillsdale Hs Music Boosters | U | San Mateo, CA | 3 | $40,292 | 2023 |
| Hillsdale Hs Drama Boosters | U | San Mateo, CA | 5 | $38,133 | 2023 |
| Hillsdale Hs Dance Boosters | U | San Mateo, CA | 3 | $36,599 | 2023 |
| Hillsdale Hs Music Boosters 80-0816479 | A | San Mateo, CA | 2 | $33,789 | 2019 |
| Hillsdale Hs Curriculum 94-3084147 | A | San Mateo, CA | 1 | $24,734 | 2023 |
| Hillsdale Hs Slc Support | U | San Mateo, CA | 1 | $19,898 | 2019 |
| Hillsdale Hs Student Clubs | U | San Mateo, CA | 2 | $15,039 | 2019 |
| Csu Monterey 77-0387459 | A | Seaside, CA | 1 | $5,000 | 2024 |
| San Francisco State 93-1137247 | A | San Francisco, CA | 1 | $5,000 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 51 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | San Mateo Union High School District (smuhsd) San Mateo, CA | U | $301,028 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202600409349300135 |
| 2025 | Hillsdale High School San Mateo, CA | A | $26,000 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202600409349300135 |
| 2024 | San Mateo Union High School District (smuhsd) San Mateo, CA | U | $259,525 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202510179349301036 |
| 2024 | Hillsdale High School San Mateo, CA | A | $50,000 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202510179349301036 |
| 2024 | Csu Monterey Seaside, CA | A | $5,000 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202510179349301036 |
| 2024 | San Francisco State San Francisco, CA | A | $5,000 | paid | TO PROMOTE THE ORGANIZATIONS MISSION. | 202510179349301036 |
| 2023 | San Mateo Union Hs District San Mateo, CA | U | $224,000 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Athletic Booster San Mateo, CA | A | $110,229 | paid | 202420679349300932 | |
| 2023 | Hhs Peace Pantry San Mateo, CA | U | $81,248 | paid | 202420679349300932 | |
| 2023 | Hhs Empowerment Thru Action San Mateo, CA | U | $75,043 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Curriculum San Mateo, CA | A | $24,734 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Dance Boosters San Mateo, CA | U | $17,517 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Music Boosters San Mateo, CA | U | $14,982 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Ptso San Mateo, CA | U | $12,090 | paid | 202420679349300932 | |
| 2023 | Hillsdale Hs Drama Boosters San Mateo, CA | U | $7,375 | paid | 202420679349300932 | |
| 2022 | San Mateo Union Hs District San Mateo, CA | U | $172,500 | paid | 202310749349301526 | |
| 2022 | Hhs Peace Pantry San Mateo, CA | U | $134,064 | paid | 202310749349301526 | |
| 2022 | Sv Community Foundation Mountan View, CA | U | $100,000 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Athletic Booster San Mateo, CA | A | $92,440 | paid | 202310749349301526 | |
| 2022 | Hhs Empowerment Thru Action San Mateo, CA | U | $56,094 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Curriculum San Mateo, CA | U | $35,515 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Technology San Mateo, CA | U | $24,000 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Music Boosters San Mateo, CA | U | $11,825 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Ptso San Mateo, CA | U | $10,320 | paid | 202310749349301526 | |
| 2022 | Hillsdale Hs Drama Boosters San Mateo, CA | U | $6,620 | paid | 202310749349301526 | |
| 2021 | San Mateo Union Hs District San Mateo, CA | U | $185,965 | paid | 202220619349300532 | |
| 2021 | Hhs Peace Pantry San Mateo, CA | U | $108,107 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Athletic Booster San Mateo, CA | A | $49,714 | paid | 202220619349300532 | |
| 2021 | Hhs Empowerment Thru Action San Mateo, CA | U | $47,943 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Curriculum San Mateo, CA | U | $25,750 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Technology San Mateo, CA | U | $20,000 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Music Boosters San Mateo, CA | U | $13,485 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Ptso San Mateo, CA | U | $8,286 | paid | 202220619349300532 | |
| 2021 | Hillsdale Hs Drama Boosters San Mateo, CA | U | $6,076 | paid | 202220619349300532 | |
| 2019 | San Mateo Union Hs District San Mateo, CA | U | $193,369 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Athletic Booster San Mateo, CA | A | $95,283 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Technology San Mateo, CA | U | $61,603 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Ptso San Mateo, CA | U | $30,270 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Slc Support San Mateo, CA | U | $19,898 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Music Boosters San Mateo, CA | A | $19,635 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Drama Boosters San Mateo, CA | U | $11,496 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Dance Boosters San Mateo, CA | U | $10,190 | paid | 202020509349301412 | |
| 2019 | Hillsdale Hs Student Clubs San Mateo, CA | U | $8,889 | paid | 202020509349301412 | |
| 2018 | Hillsdale Hs Athletic Booster San Mateo, CA | A | $93,947 | paid | 201920609349300527 | |
| 2018 | San Mateo Union Hs District San Mateo, CA | U | $55,000 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Ptso San Mateo, CA | U | $25,176 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Technology San Mateo, CA | U | $24,040 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Music Boosters San Mateo, CA | A | $14,154 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Dance Boosters San Mateo, CA | U | $8,892 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Drama Boosters San Mateo, CA | U | $6,566 | paid | 201920609349300527 | |
| 2018 | Hillsdale Hs Student Clubs San Mateo, CA | U | $6,150 | paid | 201920609349300527 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990 | 2025 | 2025-06-30 | not stated | 2024v5.5 | 202600409349300135 |
| 990 | 2024 | 2024-06-30 | not stated | 2023v6.0 | 202510179349301036 |
| 990 | 2023 | 2023-06-30 | not stated | 2022v5.0 | 202420679349300932 |
| 990 | 2022 | 2022-06-30 | not stated | 2021v4.1 | 202310749349301526 |
| 990 | 2021 | 2021-06-30 | not stated | 2020v4.0 | 202220619349300532 |
| 990 | 2019 | 2019-06-30 | not stated | 2018v3.1 | 202020509349301412 |
| 990 | 2018 | 2018-06-30 | not stated | 2017v2.2 | 201920609349300527 |
Derived from IRS Form 990 e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/870800728.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.