# Keystone Stem Alliance Inc

Youth centers and clubs nonprofit in Berwyn, Pennsylvania 19312. EIN 39-3589749. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/393589749-keystone-stem-alliance-inc

## IRS facts

- Type: Youth centers and clubs (IRS activity code O20)
- Tax status: 501(c)(3), contributions deductible, recognized 2025
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## Local context

- Chester County, Pennsylvania: about 119,637 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
- 380 youth and community nonprofits in this directory in the county: 3.2 per 1,000 children.
- Licensed programs in Berwyn: 4 licensed child care centers: https://backpr.com/find/pennsylvania/berwyn
- Pennsylvania rules: https://backpr.com/resources/states/pennsylvania

## Questions

**What is Keystone Stem Alliance Inc's EIN?**

Keystone Stem Alliance Inc's EIN (Employer Identification Number) is 39-3589749. 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 Keystone Stem Alliance Inc a nonprofit?**

Yes. The IRS lists Keystone Stem Alliance Inc in Berwyn, Pennsylvania as tax-exempt under section 501(c)(3), recognized since 2025. 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 Keystone Stem Alliance Inc tax-deductible?**

Yes, the IRS lists gifts to Keystone Stem Alliance Inc 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 Keystone Stem Alliance Inc do?**

The IRS classifies Keystone Stem Alliance Inc as: Youth centers and clubs. 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.