Mission
Groton School's mission is to inspire lives of character, scholarship, leadership, and service within a diverse, inclusive, and close-knit community.
Public Charity
GROTON SCHOOL
GROTON SCHOOL is a nonprofit organization categorized as Public Charity based in Groton, MA. Its most recent IRS filing (2025) reports revenue of $66.9M, expenses of $58.3M, total assets of $703.5M. Imperigo tracks 121 reported grant relationships connected to this organization totaling approximately $55.0M.
EIN: 042104265
Groton, MA
Latest filing: 2025
Total Revenue$66.9M
Total Expenses$58.3M
Total Assets$703.5M
Grant Records121
Funding Total$55.0M
Filing Years2021–2025
Sample Grants Received
$500,565
For grant recipient's exempt purposes
$3,425,078
EDUCATION
$2,729,957
$550,000
SCHOLARSHIPS & FINANCIAL AID
$378,500
Showing up to 5 of 121 total records — full history available with membership.
Officers & Directors
Board Member
Adam Monroe Spence
Board Member
Alexander Lowell Thorndike
Board Member
Alfred Winkler
Board Member
Allison Chin Hays
Board Member
Andrew K Ferrer
Board Member
Ann Gildroy Fox
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $66.9M | $58.3M | $703.5M |
| 2024 | $71.6M | $55.3M | $670.3M |
| 2023 | $54.7M | $55.1M | $637.0M |
| 2022 | $61.8M | $54.9M | $623.4M |
| 2021 | $71.0M | $54.9M | $639.9M |
Between 2021 and 2025, reported annual revenue declined from $71.0M to $66.9M (-6%), with total assets most recently reported at $703.5M.
Interactive year-over-year charts and full filing details available with membership.