Tax-exempt organization ยท Files a Form 5500
WINSOR SCHOOL INC
103 PILGRIM RD, BOSTON, MA 02215-4142
EIN
04-2105842
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
School
IRS · 2026-09
IRS ruling date
1972-03
IRS · 2026-09
NTEE code
B200
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$43,443,149
IRS · 2026-09
Assets (latest 990)
$256,707,059
IRS · 2026-09
Benefit plan 502, 2024 filing
THE WINSOR SCHOOL HEALTH & WELFARE PLAN
DOL · 2026-01-08
Participants (start of year)
142
DOL · 2026-01-08
Plan features
code 4A4B4D4F4H4Q
DOL · 2026-01-08
Plan type
Single-employer plan
DOL · 2026-01-08
Business code (NAICS)
611000
DOL · 2026-01-08
Benefit plan 1, 2024 filing
WINSOR SCHOOL 403B PLAN
DOL · 2025-07-02