The mssm foundation helps to ensure the long-term success of the Maine School of Science and mathematics by raising and distributing resources to enhance its educational offerings, maintain an outstanding faculty, and ensure access to all qualified students.
Key facts about Maine School of Science and
In short: Maine School of Science and gave $65K across 1 grant in 2025 (avg $65K), mostly in Maine. Source: 2025 IRS Form 990.
- EIN
- 22-3332222
- Latest 990 filing
- Form 990, 2025
- Annual giving (2025)
- $65,436
- Grants made (2025)
- 1
- Average grant
- $65,436
- Median grant
- $65,436
- Total assets
- $995,478
- Primary geography
- Maine (100% of itemized 2025 grant dollars)
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$995K
+8.2% YoY
Annual Giving
$65K
-31.2% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$65K
-31.2% YoY
About Maine School of Science and
Based on IRS filings
Maine School of Science and is a public charity focused on Education, based in Limestone, ME. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $995K in total assets. In 2025, it awarded 1 grant totaling $65K. Net investment income was $83K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2025, annual grant giving ranged from $21K (2023) to $95K (2024). In 2025 it made 1 grant totaling $65K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Limestone Community School ($65K).
Grant Size Distribution
3 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 3 (67%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Limestone Community School Limestone, ME | Pool Project | $65,436 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $995,478 | $919,867 | $1,067,369 |
| Revenue | $379,439 | $304,316 | $547,086 |
| Expenses | $299,114 | $475,787 | $366,230 |
| Net Investment Income | $82,773 | $83,287 | $43,522 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2023 (received by the IRS September 25, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS March 18, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
Leadership & Key People
Officers and directors from IRS filings
Maine School of Science and is led by Heather Merriman, Chair since 2024 (on filings since 2020); 1 of 16 officers listed in 2025 is compensated.
Officers on the 2025 filing
Heather Merriman
Chair
Director → Vice Chair, 2023
Vice Chair → Chair, 2024
On filings since 2020
1 hr/week
No compensation reported
David Haines
Director
On filings since 2020
1 hr/week
No compensation reported
David King
Director
Treasurer → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Douglas Baston
Director
Vice President → Audit Chair, 2022
Audit Chair → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
John Butera
Director
On filings since 2020
1 hr/week
No compensation reported
Lauren Nichols
Director
On filings since 2021
1 hr/week
No compensation reported
Pamela Scheppele
Director
On filings since 2021
1 hr/week
No compensation reported
Kristina Yurko
Director
On filings since 2023
1 hr/week
No compensation reported
Warren Winslow
Director
On filings since 2023
1 hr/week
No compensation reported
Meredith Rousseau
Director
On filings since 2024
1 hr/week
No compensation reported
Jason Dark
Director
New on the 2025 filing
1 hr/week
No compensation reported
Michael Delorge
Director
New on the 2025 filing
1 hr/week
No compensation reported
Deborah McGann
Executive Di
Administrator → Executive Di, 2025
On filings since 2020
40 hrs/week
$60K (2025)
Clark Copelin
Treasurer
President → Chair, 2022
Chair → Treasurer, 2024
On filings since 2020
1 hr/week
No compensation reported
Miles Sweet
Vice Chair
Director → Vice Chair, 2024
On filings since 2023
1 hr/week
No compensation reported
Robert Constantine
Secretary
On filings since 2024
1 hr/week
No compensation reported
Former officers (8)
- Former: Arthur Thompson (2021–2024) — Director
- Former: Jeff Candura (2024) — Executive Di
- Former: Jeremy Shute (2020–2023) — Vice Chair
- Former: Liz Havu (2020–2023) — Director
- Former: Sam Critcholow (2022–2023) — Secretary
- Former: Anne Perreault (2020) — Director
- Former: David Pearson (2020) — Secretary
- Former: Mary Thron (2020) — Director
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $60K, to Deborah McGann (Executive Di).
Frequently asked questions about Maine School of Science and
How much does Maine School of Science and give each year?
Maine School of Science and gave $65K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $95K across 1 grant.
How large is Maine School of Science and?
Maine School of Science and reported $995K in total assets on its 2025 IRS Form 990. Its revenue that year was $379K.
What is Maine School of Science and?
Maine School of Science and is a public charity focused on Education, based in Limestone, ME. It holds $995K in total assets as of 2025.
Where does Maine School of Science and operate?
Maine School of Science and has awarded grants in Maine.
What is Maine School of Science and's EIN?
Maine School of Science and's EIN (Employer Identification Number) is 22-3332222. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching Maine School of Science and by hand.
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