# Cornerstone Charter Corp

Swimming and water sports nonprofit in Johns Island, South Carolina 29455. EIN 92-0442522. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/920442522-cornerstone-charter-corp

## IRS facts

- Type: Swimming and water sports (IRS activity code N67)
- Tax status: 501(c)(3), contributions deductible, recognized 2022
- 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

- Charleston County, South Carolina: about 82,390 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
- 194 youth and community nonprofits in this directory in the county: 2.4 per 1,000 children.
- South Carolina rules: https://backpr.com/resources/states/south-carolina

## Questions

**What is Cornerstone Charter Corp's EIN?**

Cornerstone Charter Corp's EIN (Employer Identification Number) is 92-0442522. 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 Cornerstone Charter Corp a nonprofit?**

Yes. The IRS lists Cornerstone Charter Corp in Johns Island, South Carolina as tax-exempt under section 501(c)(3), recognized since 2022. 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 Cornerstone Charter Corp tax-deductible?**

Yes, the IRS lists gifts to Cornerstone Charter Corp 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 Cornerstone Charter Corp do?**

The IRS classifies Cornerstone Charter Corp as: Swimming and water sports. 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.