Loomis Institute is a 501(c)(3) organization based in Windsor, Connecticut, registered in 1938, with $137,874,508 in FY2023 revenue. CharityIndex grades it B+, and it directs about 79% of spending to programs.
Revenue (FY2023)
$137.9M
▲ 70.8% vs prior year
Education median: $200K
Expenses (FY2023)
$72.8M
Net assets
$456.4M
Employees
481
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. For Loomis Institute: 79% to programs · $6 to raise $100 earns a B+ on this criterion. See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Loomis Institute: 75 mo reserves · +47% margin earns a B+ on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. For Loomis Institute: 6 of 6 checks met earns a A+ on this criterion. See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Loomis Institute: 4 of 5 disclosure signals earns a A on this criterion. See the exact thresholds →
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Education of high school (grades 9-12) boys and girls in a boarding and day school format for the purpose of college preparation and placement.
Revenue grew from $50.9M (FY2013) to $137.9M (FY2023) across 11 reported years.
Financial snapshot
Operating margin
47.2%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$540.6M
Total liabilities
$84.2M
Net assets
$456.4M
Salaries & benefits
$31.4M
43% of expenses
Board members
28
26 independent
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2023 | $137,874,508▲70.8% | $72,756,034▲1.4% | $456,380,985▲23.4% | $540,597,730▲18.5% | 990 |
| 2022 | $80,711,283▲14.8% | $71,783,780▲9.4% | $369,822,619▲8.9% | $456,124,203▲6.4% | 990 |
| 2021 | $70,302,251▲6.5% | $65,623,750▲13.7% | $339,735,619▼4.2% | $428,670,853▼3.8% | 990 |
| 2020 | $66,028,387▲16.0% | $57,736,086▲2.5% | $354,588,078▲20.9% | $445,458,169▲21.4% | 990 |
| 2019 | $56,941,309▼3.7% | $56,324,830▼0.9% | $293,292,000▲0.8% | $366,812,616▼3.2% | 990 |
| 2018 | $59,134,535▼11.6% | $56,856,804▲1.1% | $290,944,702▲3.0% | $378,936,466▲1.5% | 990 |
| 2017 | $66,896,281▼2.6% | $56,257,751▲1.2% | $282,551,298▲6.8% | $373,468,689▲8.5% | 990 |
| 2016 | $68,716,739▲48.5% | $55,603,694▲12.1% | $264,646,589▲14.6% | $344,092,377▲9.9% | 990 |
| 2015 | $46,281,851▼2.8% | $49,605,534▲2.5% | $230,860,755▼3.2% | $313,082,275▼2.9% | 990 |
| 2014 | $47,629,718▼6.5% | $48,405,391▲2.3% | $238,573,897▲1.6% | $322,432,366▲0.4% | 990 |
| 2013 | $50,947,712 | $47,304,422▲5.1% | $234,895,345▲5.5% | $321,203,488▲8.0% | 990 |
| 2012 | — | $44,992,362▲2.4% | $222,668,940▲3.6% | $297,347,196▲2.0% | 990 |
| 2011 | — | $43,926,080▲2.4% | $214,947,126▼8.0% | $291,515,195▼6.9% | 990 |
| 2010 | — | $42,896,018▲4.1% | $233,719,362▲7.2% | $313,084,475▲4.6% | 990 |
| 2009 | — | $41,207,246 | $218,019,675 | $299,349,491 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Highest-paid: Sheila Culbert — $1,272,322 (1.75% of total expenses)
| Name | Title | Hours/week | Compensation |
|---|---|---|---|
| Sheila Culbert | Head of School | 40 | $1,272,322 |
| Richard Esposito | Chief Financial Officer | 40 | $338,018 |
| Nathan Follansbee | Director of External Affairs | 40 | $252,915 |
| Timothy Struthers | Director of Development | 40 | $214,619 |
| Webster Trenchard | Associate Headmaster | 40 | $183,989 |
| Julia Knight | Business Manager | 40 | $172,346 |
| Lynn Petrillo | Director of Communications | 40 | $170,061 |
| Amy Thompson | Dean of Enrollment | 40 | $164,142 |
| Amy L Edwards-sweet | Trustee | 1 | — |
| Ariel Williams | Trustee | 1 | — |
| Britt Marie Cole-johnson | Trustee | 1 | — |
| Bruce Alexander | Trustee | 1 | — |
| Courtney Ackeifi | Trustee | 1 | — |
| David A Rogan | Trustee | 1 | — |
| Douglas W Lyons | Trustee | 1 | — |
| Duncan A L Maclean | Trustee | 1 | — |
| Elizabeth Richmond | Trustee | 1 | — |
| Erik A Cliette | Trustee | 1 | — |
| Fridolf A Hanson | Trustee | 1 | — |
| Harvey J Struthers Jr | Trustee | 1 | — |
| Contractor | Services | Paid |
|---|---|---|
| Newfield Construction Inc | Construction Services | $3,283,595 |
| Flik Compass Group | Food Services | $1,905,149 |
| Cambridge Associates LLC | Investment Consultant | $823,029 |
| Atlas Workshops Inc | Educator Services | $219,125 |
| Champion Homes | Construction Services | $205,353 |
112 grants to Loomis Institute totaling $19.7M, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Greater Hartford Gives Foundation | Education | 2024 | $80,657 |
| Toledo Community Foundation | Scholarship fund | 2024 | $50,000 |
| American Online Giving Foundation Inc | General support | 2024 | $38,742 |
| Gs Donor Advised Philanthropy Fund For Wealth Management Inc | Education | 2024 | $28,750 |
| National Philanthropic Tr | Education | 2023 | $406,250 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2023 | $365,275 |
| Donor Advised Charitable Giving | Education | 2023 | $224,713 |
| The Chicago Community Trust | General support for programs, operations and other charitable purposes | 2023 | $130,000 |
| Goldman Sachs Charitable Gift Fund | Scholarships & financial aid | 2023 | $90,000 |
| Greater Hartford Gives Foundation | General operating support | 2023 | $65,379 |
| The New York Community Trust | For a scholarship award. | 2023 | $50,000 |
| Gs Donor Advised Philanthropy Fund For Wealth Management Inc | Education | 2023 | $26,250 |
| American Online Giving Foundation Inc | General support | 2023 | $22,645 |
| Jewish Communal Fund | In furtherance of grantee's tax-exempt purpose | 2023 | $15,900 |
| The Us Charitable Gift Trust | For recipient's exempt purpose | 2023 | $11,050 |
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Data for Loomis Institute (EIN 06-0653119) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.