Nonprofit · EIN 11-3533719
RIVERHEAD CHARTER SCHOOL
Tax-exempt · CALVERTON, NY 11933
Address and contacts
- Address (IRS master file)
- 3685 MIDDLE COUNTRY RD, CALVERTON, NY 11933-1807
- In care of
- % DARLENE TROGE
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 11-3533719
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2002
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B290)
- Assets (IRS master file)
- $42,364,802
- Income (IRS master file)
- $21,812,940
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | – | – | – | IRS |
| 990 | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $16,729,467 | $15,659,190 | $39,030,055 | IRS |
| 990 | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.
Questions about RIVERHEAD CHARTER SCHOOL
- What is the EIN of RIVERHEAD CHARTER SCHOOL?
- The employer identification number (EIN) of RIVERHEAD CHARTER SCHOOL is 11-3533719.
- Is RIVERHEAD CHARTER SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
- Are donations to RIVERHEAD CHARTER SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does RIVERHEAD CHARTER SCHOOL file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of RIVERHEAD CHARTER SCHOOL due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did RIVERHEAD CHARTER SCHOOL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
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