# Day School Foundation

Parent-teacher group (PTA or PTO) nonprofit in San Mateo, California 94401. EIN 94-3240988. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/943240988-day-school-foundation

## IRS facts

- Type: Parent-teacher group (PTA or PTO) (IRS activity code B94)
- Tax status: 501(c)(3), contributions deductible, recognized 1996
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## How it compares

- Revenue rank: 1 of 2 PTAs and PTOs in San Mateo.
- Revenue $1,325,015 is in the top 10% of 674 PTAs and PTOs in California; median $77,557.
- Source: IRS Business Master File, posted October 13, 2026; BackPR analysis.

## Local context

- San Mateo County, California: about 140,186 children under 18 (U.S. Census Bureau, July 1, 2024): https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/counties/asrh/cc-est2024-agesex-all.csv
- 320 youth and community nonprofits in this directory in the county: 2.3 per 1,000 children.
- Licensed programs in San Mateo: 70 licensed child care centers, 2 school-age programs: https://backpr.com/find/california/san-mateo
- California rules: https://backpr.com/resources/states/california

## Questions

**What is Day School Foundation's EIN?**

Day School Foundation's EIN (Employer Identification Number) is 94-3240988. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

**Is Day School Foundation a nonprofit?**

Yes. The IRS lists Day School Foundation in San Mateo, California as tax-exempt under section 501(c)(3), recognized since 1996. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

**Are donations to Day School Foundation tax-deductible?**

Yes, the IRS lists gifts to Day School Foundation as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

**What does Day School Foundation do?**

The IRS classifies Day School Foundation as: Parent-teacher group (PTA or PTO). It has not filed a Form 990 or 990-EZ with a mission statement that we have loaded.

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Data as of November 8, 2026. Sources: IRS Business Master File, IRS Form 990 series e-file data, U.S. Census Bureau. No officer or staff names are published.