Nonprofit · EIN 27-1337213
CORNERSTONES OF SCIENCE
Tax-exempt · BRUNSWICK, ME 04011
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $335,872 | $114,776 | $221,096 | $354,612 | $9,608 | $345,004 |
| June 30, 2024 | 990-EZ | $128,773 | $159,874 | -$31,101 | $122,797 | $5,555 | $117,242 |
| June 30, 2023 | 990 | $248,989 | $261,584 | -$12,595 | $175,062 | $33,385 | $141,677 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $336,963
- Program service revenue
- $0
- Investment income
- -$1,091
- Net gain from sales of assets
- -$1,202
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $61,902
- Salaries, compensation and benefits (total)
- $66,840
- Professional fundraising fees
- $0
- Accounting fees
- $4,572
- Occupancy
- $16,712
- Depreciation
- $481
- Program services (functional)
- $43,434
- Management and general (functional)
- $37,359
- Fundraising (functional)
- $33,983
Balance sheet and other
- Total assets, start of year
- $122,797
- Total assets, end of year
- $354,612
- Total liabilities, end of year
- $9,608
- Net assets, end of year
- $345,004
- Land, buildings and equipment
- $1,526
- Net assets without donor restrictions
- $345,004
- Gross receipts
- $337,074
- Employees
- 1
- Volunteers
- 7
- State of legal domicile
- ME
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 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CYNTHIA RANDALL | EXECUTIVE DIRECTOR | 40 | $61,903 |
| CHRIS GOODWIN | President Trustee or director, Officer | 1 | $0 |
| Dean Grodzins | Vice President Trustee or director, Officer | 1 | $0 |
| Cathy Burack | MEMBER Trustee or director | 1 | $0 |
| Jocelyn Hubbell | MEMBER Trustee or director | 1 | $0 |
| Hal Grodzins | Treasurer Trustee or director, Officer | 2 | $0 |
990-EZ for the year ended June 30, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CYNTHIA RANDALL | EXECUTIVE DIRECTOR | 40 | $62,666 |
| CHRIS GOODWIN | Co Pres & Treas | 2 | $0 |
| LEE GRODZINS | Co Pres & Treas | 1 | $0 |
| Hal Grodzins | Member | 1 | $0 |
990 for the year ended June 30, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CYNTHIA RANDALL | EXECUTIVE DIRECTOR | 40 | $60,100 |
| CHRIS GOODWIN | Pres & Treas Trustee or director, Officer | 1 | $0 |
| LEE GRODZINS | FOUNDER Trustee or director | 1 | $0 |
| Hal Grodzins | Member Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 14 MAINE ST SUITE 215, BRUNSWICK, ME 04011-2049
- Principal officer (990 for 2024)
- CYNTHIA RANDALL ED
- Signed the 990
- CYNTHIA RANDALL, Executive Director
- Phone
- (207) 208-8975
- Return prepared by
- TRACY CASSIDY CPA SC
Mission
Cornerstones of Science works with public libraries to create science programs that spark curiosity and foster a deeper understanding of the world around us.
Program accomplishments
- General Programs - Cornerstones in collaboration with the Association of Rural and Small libraries conducted an evaluation and held interviews with their membership to explore how public libraries support community resilience on issues like natural disasters, food insecurity, public health, as examples. Over 353 librarians completed the survey and 12 librarians participated in interviews. The results and recommendations, from this survey, will be used by the organization to create a new programs and services starting in the new fiscal year FY 2025-2026. Though Cornerstones has discontinued both the Library Telescope Program and the NLM_Cornerstones of Science Test The Waters Kit there continues to be residual expenses in order to support those libraries, to replace pieces, who loan these tools out to the public. Cornerstones will continue to create NIght Sky BackPacks, in special circumstances (e.g. as an honor or award) to libraries.Expenses $21,916
- Build Library Capacity - Serving Communities: A Framework and Curriculum for Inclusion-centered Library Leadership Development initiative has been promoted by the organization via our website and through webinars. This free curriculum is accessible to all libraries and groups interested in improving their inclusion-centered leadership skills and competencies in four key areas: 1) Personal; 2) their Library Organizational Culture; 3) in Building Community Partnerships; and finally, 4) addressing Community Member Experiences.Expenses $14,446
- Online Resources - Online Resources describes the ongoing technical, design and web support of the Cornerstones of Science website as well as the creation and sustainability of free downloadable online Library Guides and modules for librarians.Expenses $7,072
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-EZ on file |
IRS record
- EIN
- 27-1337213
- 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
- 2011
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B70)
- Assets (IRS master file)
- $354,612
- Income (IRS master file)
- $337,074
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $335,872 | $114,776 | $354,612 | XML |
| 990-EZ | June 2024 | $128,773 | $159,874 | $122,797 | XML |
| 990 | June 2023 | $248,989 | $261,584 | $175,062 | XML |
| 990 | June 2022 | $281,736 | $282,100 | $165,957 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 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 27-1337213).
Questions about CORNERSTONES OF SCIENCE
- What is the EIN of CORNERSTONES OF SCIENCE?
- The employer identification number (EIN) of CORNERSTONES OF SCIENCE is 27-1337213.
- Is CORNERSTONES OF SCIENCE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Are donations to CORNERSTONES OF SCIENCE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CORNERSTONES OF SCIENCE 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 CORNERSTONES OF SCIENCE 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 CORNERSTONES OF SCIENCE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of CORNERSTONES OF SCIENCE?
- The 990 for the year ended June 30, 2025 names CYNTHIA RANDALL ED.
- Who are the officers and directors of CORNERSTONES OF SCIENCE?
- The 990 for the year ended June 30, 2025 lists 6 people; 1 received compensation from the organization, the highest $61,903 (CYNTHIA RANDALL, EXECUTIVE DIRECTOR).
- How much revenue does CORNERSTONES OF SCIENCE have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $335,872, expenses of $114,776 and total assets of $354,612 at year end.
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