Nonprofit · EIN 46-2735104
INQUIRY SCHOOLS
Tax-exempt (reinstated) · PHILADELPHIA, PA 19103
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $120,388 | $165,690 | -$45,302 | $25,457 | $0 | $25,457 |
| December 31, 2024 | 990 | $196,225 | $585,527 | -$389,302 | $70,759 | $0 | $70,759 |
| December 31, 2023 | 990 | $640,371 | $592,381 | $47,990 | $460,061 | $0 | $460,061 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $10,000
- Program service revenue
- $110,388
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $67,973
- Salaries, compensation and benefits (total)
- $67,974
- Professional fees and payments to contractors
- $91,028
- Printing, publications and postage
- $296
- Other expenses
- $6,392
- Program services (functional)
- $91,028
Balance sheet and other
- Total assets, start of year
- $70,759
- Total assets, end of year
- $25,457
- Total liabilities, end of year
- $0
- Net assets, end of year
- $25,457
- Cash, savings and investments
- $25,457
- Gross receipts
- $120,388
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 |
|---|---|---|---|
| Diana Laufenberg | Executive Director | 40 | $48,057 |
| Caitlin Thompson | Director of Operations | 8 | $19,916 |
| Jaime Casap | Board Chair | 5 | $0 |
| Melody Damis | Board Treasurer | 5 | $0 |
| Frederic Bertley | Board Member | 5 | $0 |
990 for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DIANA LAUFENBERG | EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $110,377 |
| JAIME CASAP | BOARD CHAIR Trustee or director, Officer | 5 | $0 |
| MELODY DAMIS | TREASURER Trustee or director, Officer | 5 | $0 |
| FREDERIC BERTLEY | BOARD MEMBER Trustee or director | 5 | $0 |
990 for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DIANA LAUFENBERG | EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $113,572 |
| JAIME CASAP | BOARD CHAIR Trustee or director, Officer | 5 | $0 |
| MELODY DAMIS | TREASURER Trustee or director, Officer | 5 | $0 |
| FREDERIC BERTLEY | BOARD MEMBER Trustee or director | 5 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 30377, PHILADELPHIA, PA 19103-8377
- Signed the 990-EZ
- Caitlin Thompson, Director of Operations
- Phone
- (339) 221-0610
- Website
- www.inquiryschools.org
Mission
support inquiry-driven, project-based schools
Program accomplishments
- working with educators, parents, and students to create and support inquiry-driven, project-based schools with a focus on modern toolsExpenses $91,028
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 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 46-2735104
- 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
- 2017
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B90)
- Assets (IRS master file)
- $25,457
- Income (IRS master file)
- $120,388
Revocation and reinstatement
- Exemption revoked
- May 15, 2016
- Posted by the IRS
- August 8, 2016
- Reinstated
- Effective May 15, 2016
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $120,388 | $165,690 | $25,457 | IRS |
| 990 | December 2024 | $196,225 | $585,527 | $70,759 | IRS |
| 990 | December 2023 | $640,371 | $592,381 | $460,061 | XML |
| 990 | December 2022 | $744,982 | $556,529 | $412,071 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | 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 46-2735104).
Questions about INQUIRY SCHOOLS
- What is the EIN of INQUIRY SCHOOLS?
- The employer identification number (EIN) of INQUIRY SCHOOLS is 46-2735104.
- Is INQUIRY SCHOOLS tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2016 and reinstated it effective May 15, 2016.
- Are donations to INQUIRY SCHOOLS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INQUIRY SCHOOLS 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 INQUIRY SCHOOLS 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 INQUIRY SCHOOLS 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 INQUIRY SCHOOLS?
- The 990-EZ for the year ended December 31, 2025 lists 5 people; 2 received compensation from the organization, the highest $48,057 (Diana Laufenberg, Executive Director).
- How much revenue does INQUIRY SCHOOLS have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $120,388, expenses of $165,690 and total assets of $25,457 at year end.
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