Tax-exempt organization ยท Files a Form 5500
CASTILLEJA SCHOOL FOUNDATION
1310 BRYANT ST, PALO ALTO, CA 94301-3507
EIN
94-0373222
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
1943-08
IRS · 2026-09
NTEE code
B250
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$55,547,071
IRS · 2026-09
Assets (latest 990)
$316,977,746
IRS · 2026-09
Benefit plan 501, 2024 filing
CASTILLEJA SCHOOL FOUNDATION WELFARE BENEFIT PLAN
DOL · 2026-01-27
Participants (start of year)
128
DOL · 2026-01-27
Plan features
code 4A4B4D4E4H4Q
DOL · 2026-01-27
Plan type
Single-employer plan
DOL · 2026-01-27
Business code (NAICS)
611000
DOL · 2026-01-27
Benefit plan 1, 2024 filing
CASTILLEJA SCHOOL FOUNDATION DC PLAN
DOL · 2025-10-14