Castilleja School, private, college-prep school in Palo Alto, California, United States
Castilleja School is a private university-preparatory school for girls located in a residential area of Palo Alto, California. The campus brings together older brick buildings and newer facilities such as science labs and arts spaces, all set within planted grounds with trees and shrubs.
The school was founded in 1907, making it one of the oldest schools for girls in Northern California. Over the following decades it grew steadily, adding buildings and programs while keeping its focus on educating young women.
The name "Castilleja" comes from a genus of wildflowers native to the American West, which connects the school to the natural history of the region. On campus, visitors can observe students working closely together in small groups, which reflects how the school organizes daily life.
The school sits in a residential neighborhood in Palo Alto and is easy to reach on foot or by bicycle from nearby streets. Since it is an active school campus, visitors should check in advance before entering the grounds.
The school has an outdoor amphitheater on its grounds, which sits in the middle of a residential neighborhood and is used for performances and events. This open-air space is easy to miss from the street, making it a small discovery for those who visit the campus.
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