Tax-exempt organization ยท Files a Form 5500
GROTON SCHOOL
282 FARMERS ROW, GROTON, MA 01450-1848
EIN
04-2104265
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
1934-11
IRS · 2026-09
NTEE code
B250
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$66,947,623
IRS · 2026-09
Assets (latest 990)
$703,509,165
IRS · 2026-09
Benefit plan 3, 2024 filing
GROTON SCHOOL DEFINED BENEFIT PLAN
DOL · 2026-03-02
Participants (start of year)
205
DOL · 2026-03-02
Plan features
Defined benefit (cash balance)
DOL · 2026-03-02
Plan type
Single-employer plan
DOL · 2026-03-02
Business code (NAICS)
611000
DOL · 2026-03-02
Benefit plan 501, 2024 filing
GROTON SCHOOL WELFARE PLAN
DOL · 2025-12-04