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Nonprofit · EIN 46-4753041

COMENIUS INSTITUTE

Tax-exempt · FISHERS, IN 46037

Address and contacts

Address (IRS master file)
11150 PLUM HOLLOW CIR, FISHERS, IN 46037-9137
In care of
% MARK ECKEL
Mailing address (990-N for 2025)
11150 PLUM HOLLOW CIRCLE, FISHERS IN 460374037
Principal officer (990-N for 2025)
MARK ECKEL, 11150 PLUM HOLLOW CIRCLE, FISHERS IN 46037

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
46-4753041
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2015
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: MARK ECKEL
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: MARK ECKEL
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK ECKEL
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: MARK ECKEL
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: MARK ECKEL
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: MARK ECKEL
June 30, 2020≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 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 (search EIN 46-4753041).

Questions about COMENIUS INSTITUTE

What is the EIN of COMENIUS INSTITUTE?
The employer identification number (EIN) of COMENIUS INSTITUTE is 46-4753041.
Is COMENIUS INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to COMENIUS INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does COMENIUS INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of COMENIUS INSTITUTE due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did COMENIUS INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of COMENIUS INSTITUTE?
The 990-N for 2025 names MARK ECKEL.

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