Skip to content
Nonprofit screen
Screen a list

Hillsdale High School Foundation

EIN 87-0800728San Mateo, CAPhilanthropyLatest 990 FY2025

Can you give?

Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Oct 16, 2026, 1:43 AM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$1.1Mrevenue
FY2025 · +23% in 3 yrs
2staff
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$500k$1.0M$1.5M$2.0M$2.5M’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin−99.2%
Months of reserve5.4mo
Revenue growth (annualized)+9.9%
Middle half of peersMedianHillsdale High School
Where the money goes FY2025 · $2.2M spent
Programs$2.1M96%Management and general$61k3%Fundraising$31k1%990 FY2025 · Part IX line 25