Nonprofit · EIN 46-5548591
NORTHERN ILLINOIS SCIENCE EDUCATORS
Tax-exempt · WILMETTE, IL 60091
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $64,000 | $50,431 | $13,569 | $138,735 | – | $138,735 |
| December 31, 2024 | 990-EZ | $70,475 | $49,159 | $21,316 | $125,166 | – | $125,166 |
| December 31, 2023 | 990-EZ | $57,608 | $40,900 | $16,708 | $103,850 | – | $103,850 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,500
- Program service revenue
- $60,490
- Investment income
- $2,010
Expenses
- Grants and similar amounts paid
- $2,250
- Compensation of officers, directors and key employees
- $9,130
- Salaries, compensation and benefits (total)
- $14,963
- Professional fees and payments to contractors
- $1,848
- Other expenses
- $31,370
- Program services (functional)
- $48,181
Balance sheet and other
- Total assets, start of year
- $125,166
- Total assets, end of year
- $138,735
- Total liabilities, end of year
- –
- Net assets, end of year
- $138,735
- Cash, savings and investments
- $138,735
- Gross receipts
- $64,000
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER BAKER | Treasurer | 1 | $9,130 |
| MELISSA BROSIUS | Secretary | 1 | $0 |
| CAROL BAKER | Director | 1 | $0 |
| DINA SBARRA | Director | 1 | $0 |
| DEANNA MAZANEK | Director | 1 | $0 |
| MIKE THOMAS | Vice President | 3 | $0 |
| MELANIE ZENISEK | President | 1 | $0 |
| LAUREN RENTFRO | Director | 1 | $0 |
990-EZ for the year ended December 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER BAKER | Executive Dir. | 1 | $8,471 |
| MELISSA BROSIUS | Secretary | 1 | $0 |
| CAROL BAKER | Director | 1 | $0 |
| DINA SBARRA | Director | 1 | $0 |
| DEANNA MAZANEK | Director | 1 | $0 |
| MIKE THOMAS | Vice President | 3 | $0 |
| MELANIE ZENISEK | President | 1 | $0 |
| LAUREN RENTFRO | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER BAKER | Treasurer | 7 | $8,471 |
| MELISSA BROSIUS | Vice President | 1 | $0 |
| CAROL BAKER | Director | 1 | $0 |
| DINA SBARRA | Director | 1 | $0 |
| DEANNA MAZANEK | Vice President | 1 | $0 |
| MIKE THOMAS | President | 3 | $0 |
| MELANIE ZENISEK | Director | 1 | $0 |
| LAUREN RENTFRO | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3223 LAKE AVE 15-C, WILMETTE, IL 60091-1069
- In care of
- % PATRICK SCHLINDER
- Signed the 990-EZ
- ELIZABETH MARTINEZ, Executive Director
- Phone
- (630) 740-1618
- Website
- WWW.NISE.US
- Return prepared by
- William R Healy CPA PC
Mission
NISE IS A CONDUIT FOR PROFESSIONAL DEVELOPEMENT, COLLABORATION, AND PUBLIC PRIVATE PARTNERSHIP TO ENHANCE K-16 SCIENCE EDUCATION IN THE NORTHERN ILLINOIS REGION.
Program accomplishments
- PROFESSIONAL DEVELOPMENT CONFERENCE FOR 425 SCIENCE EDUCATORSExpenses $47,700
- NISE SCHOLARSHIPS & GRANTSgrants $2,250
- EMAIL NEWSLETTER FOR 2400 EDUCATORSExpenses $481
- OTHER PROGRAM SERVICES
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 46-5548591
- 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
- 2014
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B99)
- Assets (IRS master file)
- $138,735
- Income (IRS master file)
- $64,000
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $64,000 | $50,431 | $138,735 | XML |
| 990-EZ | December 2024 | $70,475 | $49,159 | $125,166 | IRS |
| 990-EZ | December 2023 | $57,608 | $40,900 | $103,850 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
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 46-5548591).
Questions about NORTHERN ILLINOIS SCIENCE EDUCATORS
- What is the EIN of NORTHERN ILLINOIS SCIENCE EDUCATORS?
- The employer identification number (EIN) of NORTHERN ILLINOIS SCIENCE EDUCATORS is 46-5548591.
- Is NORTHERN ILLINOIS SCIENCE EDUCATORS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
- Are donations to NORTHERN ILLINOIS SCIENCE EDUCATORS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NORTHERN ILLINOIS SCIENCE EDUCATORS 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 NORTHERN ILLINOIS SCIENCE EDUCATORS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did NORTHERN ILLINOIS SCIENCE EDUCATORS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of NORTHERN ILLINOIS SCIENCE EDUCATORS?
- The 990-EZ for the year ended December 31, 2025 lists 8 people; 1 received compensation from the organization, the highest $9,130 (CHRISTOPHER BAKER, Treasurer).
- How much revenue does NORTHERN ILLINOIS SCIENCE EDUCATORS have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $64,000, expenses of $50,431 and total assets of $138,735 at year end.
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