GrantAuthority

Castilleja School Foundation

Grantmaking foundation in Palo Alto, California · EIN 94-0373222

Total giving
$4.6MTax year 2025
Total assets
$320MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Mission

CASTILLEJA SCHOOL EDUCATES MOTIVATED YOUNG WOMEN TO BECOME CONFIDENT THINKERS & COMPASSIONATE LEADERS WITH A SENSE OF PURPOSE TO EFFECT CHANGE IN THE WORLD. SEE SCHEDULE O.TO PREPARE OUR STUDENTS FOR THE WIDER WORLD, WE INFUSE OUR CHALLENGING COLLEGE PREPARATORY PROGRAM WITH A GLOBAL CURRICULUM THAT FOSTERS AWARENESS, COMPASSION, AND ENGAGEMENT WITH ISSUES BEYOND CASTILLEJA. OUR COMPREHENSIVE ACADEMIC PROGRAM AND EXTENSIVE CO-CURRICULAROFFERINGS DEVELOP IN EACH STUDENT THE SELF-CONFIDENCE TO REACH HER FULL POTENTIAL. ABOVE ALL, OUR FACULTY AND STAFF DEDICATE THEMSELVES TO EXCELLENCE IN EDUCATING YOUNG WOMEN AND IN CULTIVATING YOUNG LEADERS.

Quoted from the foundation's IRS filing.

Giving by year

$3.7M2020
$3.8M2021
$4M2022
$3.9M2023
$4.4M2024
$4.6M2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Community Legal Services in East Palo Alto$22K2021

Amounts are rounded. The full grantee list is available with a free account.

Website: www.castilleja.org

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Similar foundations in California

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.