The Castilleja School Foundation, identified by EIN 94-0373222, is dedicated to providing secondary education for young women in grades 6-12. With an operating budget of $33.8 million and total revenue of $34.5 million for the 2024 filing year, the organization is financially robust, though it does not appear to rely on a single funder for 50% or more of its revenue. More information can be found on their website, www.castilleja.org.