Connect with fellow alumnae in your community.

Check below for a list of upcoming gatherings.
Reunion 2021
Friday, October 9th
Click here to view event details for Reunion 2021



We hope you will join us for these annual events and traditions.

Regional Gatherings

Alumnae Association Regional Chapters are a great way to connect and network with fellow alumni in your area.

We host annual gatherings in major cities across the country, including Boston, Chicago, Los Angeles, New York City, San Francisco, and Washington D.C. 

Interested in hosting a regional gathering in your city?
Contact our Director of Alumnae Engagement: or (650) 470-7743.

First Friday Lunches

The Alumni Association hosts quarterly First Friday Lunches for alumni to network with one another and reconnect with Castilleja teachers.

Meet in the Gunn Administration Lobby to check in for lunch, and we will walk over to lunch together. We offer informal campus tours following lunch for anyone who is interested.

Special Events

We have many annual special events for the whole alumni community to enjoy, including our Volunteer Day, Family Valentine's Day Party, and Founder's Day!