Public Charity

THE WINSOR SCHOOL

Based in BOSTON, MA, THE WINSOR SCHOOL operates as a Public Charity. The organization reported $43.4M in revenue, $41.9M in expenses, $256.7M in total assets for fiscal year 2025. Imperigo tracks 86 reported grant relationships connected to this organization totaling approximately $22.6M.

EIN: 042105842 BOSTON, MA Elementary & Secondary Schools NTEE: B20 Latest filing: 2025
Total Revenue$43.4M
Total Expenses$41.9M
Total Assets$256.7M
Grant Records86
Funding Total$22.6M
Filing Years2021–2025

Mission

OUR MISSION: THE WINSOR SCHOOL PREPARES YOUNG WOMEN TO PURSUE THEIR ASPIRATIONS AND CONTRIBUTE TO THE WORLD.

Where $100 goes at The Winsor School

How The Winsor School divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$77 Programs the work itself
$16 Management running the organization
$7 Fundraising raising the next dollar

Inside the $77 for programs

$63
The Winsor School offers a rich and challenging curriculum to academically motivated girls in grades 5-12
82% of program spending
$14
Winsor believes in enrolling talented students with great potential regardless of their families' financial circumstances, and awards over $5.6 million annually in need-based financial aid to make the…
18% of program spending
Share on LinkedIn Share on Facebook
Add this to your website

Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

PRESIDENT Allison Kaneb Pellegrino
TRUSTEE Ashley Marlenga Herbst
TRUSTEE Christopher Andrews
TRUSTEE Claire Pasternack Goldsmith
ASSISTANT TREASURER David E Goel
TRUSTEE David Humphrey

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$15,952,964 55 grants
Education
$6,610,042 30 grants

Financial Trends

Year Revenue Expenses Assets
2025 $43.4M $41.9M $256.7M
2024 $41.2M $40.5M $235.1M
2023 $39.8M $37.3M $217.8M
2022 $35.4M $36.7M $205.4M
2021 $31.4M $34.1M $217.3M

Between 2021 and 2025, reported annual revenue grew from $31.4M to $43.4M (+39%), with total assets most recently reported at $256.7M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for THE WINSOR SCHOOL

Complete financials, all 86 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 880,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports
7-day free trial Cancel any time