Nonprofit · EIN 30-0512492
GLENBROOK HIGH SCHOOL FOUNDATION
Tax-exempt · GLENVIEW, IL 60026
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $20,519 | $45,072 | -$24,553 | $121,521 | – | $121,521 |
| December 31, 2024 | 990-EZ | $27,750 | $63,715 | -$35,965 | $146,074 | – | $146,074 |
| December 31, 2023 | 990-EZ | $72,169 | $56,356 | $15,813 | $182,039 | – | $182,039 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $20,431
- Program service revenue
- $463
- Investment income
- $4,662
- Net income from sales of inventory
- -$5,326
- Other revenue
- $289
Expenses
- Compensation of officers, directors and key employees
- $0
- Other expenses
- $45,072
- Program services (functional)
- $29,438
Balance sheet and other
- Total assets, start of year
- $146,074
- Total assets, end of year
- $121,521
- Total liabilities, end of year
- –
- Net assets, end of year
- $121,521
- Cash, savings and investments
- $121,521
- Gross receipts
- $39,689
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 |
|---|---|---|---|
| Adam Mathein | Secretary | 1 | $0 |
| Paul Pryma | Trustee | 1 | $0 |
| Bill Knapp | Trustee | 1 | $0 |
| Gabrielle Two | Trustee | 1 | $0 |
| Matthew Saffar | Chairman | 1 | $0 |
| Neale Williams | Trustee | 1 | $0 |
| Charles Johns | Superintendent | 1 | $0 |
| Maren Okrzynski | Treasurer | 1 | $0 |
| Monique Collin | Trustee | 1 | $0 |
| Ed Leszynski | Trustee | 1 | $0 |
| Timothy Heublein | Trustee | 1 | $0 |
| Michael Kupfer | Trustee | 1 | $0 |
990-EZ for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Adam Mathein | Secretary | 1 | $0 |
| Paul Pryma | Trustee | 1 | $0 |
| Bill Knapp | Trustee | 1 | $0 |
| Gabrielle Two | Trustee | 1 | $0 |
| Matthew Saffar | Chairman | 1 | $0 |
| Neale Williams | Trustee | 1 | $0 |
| Charles Johns | Superintendent | 1 | $0 |
| Maren Okrzynski | Treasurer | 1 | $0 |
| Monique Collin | Trustee | 1 | $0 |
| Ed Leszynski | Trustee | 1 | $0 |
| Timothy Heublein | Trustee | 1 | $0 |
| Michael Kupfer | Trustee | 1 | $0 |
990-EZ for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Adam Mathein | Secretary | 1 | $0 |
| Paul Pryma | Vice Chair | 1 | $0 |
| Lara Herbsheimer | Treasurer | 1 | $0 |
| Lindy Hood | Trustee | 1 | $0 |
| Matthew Saffar | Chairman | 1 | $0 |
| Neale Williams | Trustee | 1 | $0 |
| Charles Johns | Superintendent | 1 | $0 |
| Maren Okrzynski | Trustee | 1 | $0 |
| Monique Collin | Trustee | 1 | $0 |
| Ed Leszynski | Trustee | 1 | $0 |
| Timothy Heublein | Trustee | 1 | $0 |
| Michael Kupfer | Trustee | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3801 W LAKE AVE, GLENVIEW, IL 60026-1292
- In care of
- % ADAM S MATHEIN
- Signed the 990-EZ
- Mathew Saffer, President
- Website
- www.glenbrookfoundation.org
- Return prepared by
- Rosetree & Company
Mission
Support the activities of Glenbrook High School
Program accomplishments
- Scholarships to graduating studentsExpenses $10,000
- Innovation grants to teachersExpenses $4,982
- OtherExpenses $14,456
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 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
- 30-0512492
- 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
- 2009
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T30)
- Assets (IRS master file)
- $121,521
- Income (IRS master file)
- $39,689
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $20,519 | $45,072 | $121,521 | XML |
| 990-EZ | December 2024 | $27,750 | $63,715 | $146,074 | XML |
| 990-EZ | December 2023 | $72,169 | $56,356 | $182,039 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | 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 30-0512492).
Questions about GLENBROOK HIGH SCHOOL FOUNDATION
- What is the EIN of GLENBROOK HIGH SCHOOL FOUNDATION?
- The employer identification number (EIN) of GLENBROOK HIGH SCHOOL FOUNDATION is 30-0512492.
- Is GLENBROOK HIGH SCHOOL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
- Are donations to GLENBROOK HIGH SCHOOL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GLENBROOK HIGH SCHOOL FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of GLENBROOK HIGH SCHOOL FOUNDATION 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 GLENBROOK HIGH SCHOOL FOUNDATION 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 GLENBROOK HIGH SCHOOL FOUNDATION?
- The 990-EZ for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
- How much revenue does GLENBROOK HIGH SCHOOL FOUNDATION have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $20,519, expenses of $45,072 and total assets of $121,521 at year end.
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All nonprofits in GLENVIEW · Illinois · Philanthropy, voluntarism and grantmaking foundations