Casti Camp

Casti Camp is all-day, all-girl fun! Girls who come here experience the true meaning of summer with dedicated time and space for play, creativity, exploration, and discovery. For many new campers, this is their first camp experience, and we immediately see them develop confidence as they settle into making decisions for themselves and building new friendships. For returning campers, we notice they stand a little taller and smile a little wider the moment they arrive.  Casti Camp is a wonderful combination of cherished tradition and exciting activities, creating a world that is both relevant and inspiring for girls today. Our camp is available to rising 2nd-6th graders, and we offer a vibrant Counselor-in-Leadership-Training (CiLT) program to rising 7th-9th graders. These older mentors offer valuable and lasting lessons in leadership to our younger campers.

Casti Camp is located at Castilleja School in Palo Alto, and our facilities include gymnasiums, art rooms, a swimming pool, classrooms, stage, field and more! A delicious lunch and snack is provided every day. Extended Day Care is also available.


Excellent value! Fantastic counselors, well-organized. I like that my daughter can make choices about the activities she is interested in doing, which is more like overnight camp. I like that she is independent at camp, moving from one activity to another. I also love that food is included and that she loves it!

— Casti Camp Parent 2018

Casti Camp Program

Casti Camp empowers young girls to make real-life decisions as they create their own daily schedules. Before camp begins, campers will submit a list of top choices for activities in the five activity periods. We try to enroll our campers in different types of activities so that their days are balanced, but we also work hard to ensure that campers are enrolled in as many of their top choices as possible.

We offer a wide range of activities - from swimming, arts, and crafts, dance, science, engineering, computers, theater, cooking, to a wide variety of sports and games. The activities are designed to generate joy, curiosity, and confidence in trying something new. The offerings change slightly from year to year and from session to session. What makes our program unique and engaging is that our counselors design the activities based on their areas of interest and expertise. Their enthusiasm and ownership for what they teach inspire the campers to engage, explore and learn new skills.

Here is a list of just some of the activities we have offered in the past:

  • Hip Historians
  • Palo Alto Poets
  • Creative Cardmaking
  • Lanyard Madness
  • Budding Artists
  • Geodesic Dome Making
  • Rube Goldberg Machine Making
  • Mad Scientists
  • Casti Chronicle
  • Pool Games
  • Double Dutch
  • Games Galore
  • Slurpin’ Smoothies
  • Dance Around the World

Small Group Philosophy

This was our first experience with summer camps in general, and we were thrilled with Castilleja. My daughters are still singing the camp cheers and songs, and we are very excited for next year.

— Casti Camp Parent 2018

Camp is a wonderful opportunity for each camper to expand their friendships. With this in mind, each camper is assigned to a small group of 7 to 10 girls led by a dedicated counselor. Camp groups are formed by grade level and consist of girls that are roughly the same age. We understand that many girls attend camp with their friends, however, we are not able to guarantee that they will be placed in the same group. Instead, we encourage friends who want to spend time together throughout the camp day to register for the same activities. As the majority of their days are spent in activities, not in group time, girls will have plenty of time with old friends and still have opportunities to meet new friends. In the event that there is an extreme need for friends to spend group time together, please contact the Camp Director.

Leadership (CiLT) Program

Our Counselor-in-Leadership-Training program is for girls entering seventh through ninth grades who want to bond with girls their age while developing important leadership skills--like listening, flexibility, problem-solving and public speaking. Please note, this leadership program runs for four weeks rather than the two-week camper program. We ask for this longer commitment because it allows our CiLTs time to evolve and grow to reach their fullest potential as leaders and role models. At Casti Camp, we are always so proud of the growth we see in our CiLTs over the course of the summer, but even more important than that, our CiLTs end the summer with the confidence to engage in the next leadership opportunity they pursue.
At Casti Camp we strive to create activities and experiences for young emerging women to begin to define who they are and what is important to them in a safe and supportive environment. The CiLT program is designed to be intimate in order to foster relationship building, yet big enough to be able to learn from a wide range of girls in the group.
CiLTs attend leadership and planning sessions during one part of the day and support counselors in their classes during another part of the day. Each CiLT is assigned to a counselor and small group of campers. CiLTs help their counselors with tasks such as keeping their group together, playing games, and leading their group in activities.
CiLTs are never asked to supervise campers without an adult present, but they are given roles that allow them to exercise their leadership skills. CiLTs come to Casti Camp with a positive, inclusive spirit and enjoy working with children.

Casti Camp Day & Hours


Campers arrive & meet with Counselor Group


All Camp Morning Meeting


1st activity period


2nd activity period


Snack - Camp provides


3rd activity period


All Camp Extravaganza

This is an opportunity for all campers to gather together and engage in a camp-wide activities which vary each day. Activities include relay games, small group games, and talent shows.


Lunch - Camp provides


Silent Reading & Story Time

Each day, campers take a break after lunch to read silently or to listen to a popular chapter book read by a counselor. Campers are encouraged to bring a book from home, and we also have a small library of books.


4th activity period


5th activity period


Free Time

At the end of each camp day, girls can pick from a variety of supervised free-time activities. Activities may include swimming, group games, dance, crafts, or reading.


Camp- Closing Meeting


Campers dismissed to pick-up locations


Campers depart


Extended Day Program - Snack is provided


Casti Camp Dates and Fees

  • Four-week session and CiLT   $2,380
    • Session 1 June 17-July 12 (no camp July 4)   $2,260
    • Session 2 July 15-August 9

  • Two-week session  $1,190
    • 1A June 17-28
    • 1B July 1-12  (no camp July 4) $1,070
    • 2A July 15-26
    • 2B July 29-August 9

  • Extended Care is offered every day of camp from 4:00-6:00 pm
    • $190 two-week session
    • $380 four-week session
    • $25 per day


All camp fees must be paid online and will be due when registering for camp. Your child's spot in camp will not be reserved until fees are paid in full. We only accept online payments for Casti Camp. 

You will receive a confirmation email as soon as your payment has been received. Please print this confirmation page and receipt for your records. It will also include our Federal Tax ID number. Once you have your confirmation page your child is registered for Casti Camp. In late May you will receive additional information about classes, schedules, and other details.

There is a limited Financial Aid budget. If you wish to apply for it, please click here for the 2019 Financial Aid application. You will not be able to register online until your Financial Aid application has been received and approved. However, spots are reserved for all those who apply for Financial Aid. 

Please contact if you have any questions regarding Financial Aid or Casti Camp registration.

The Federal Tax ID number for Castilleja School is 94-0373222.

Refund and Cancellation

Families withdrawing before May 1st, 2019 will be charged a cancellation fee of $250 per session.

After May 1st, no refunds will be issued.

Camp fees are not refunded or prorated for days of camp missed.

Girls Rule!

Our campers have a wide range of camp activities from which to choose, and we empower them to select the activities that spark their interest and encourage growth. The choices are wide and varied and are designed by our counselors to inspire creativity, risk-taking, relationship-building, and responsibility. The camp day balances independence, as each camper follows her unique schedule of activities and reflection, with time spent in small counselor-led groups to give a consistent place to start and end each day. Campers also enjoy special activities on Fridays including field trips, camper showcases, and all-camp carnivals.


Can I request that my daughter is placed in the same counselor group as her friend?

We strive to foster an environment where new friends are made; therefore, we do not place friends in the same group. There is time throughout the day where friends can be together such as during snack, after they have finished lunch, reading time, and during free time. If friends would like to spend more time together, they are encouraged to sign up for some activities together. Please contact the Camp Director if your daughter has a situation where being with her friend is imperative; otherwise, campers are placed in groups by grade and in a random fashion.

Are accommodations made for those on a special diet?

Snack and lunch are served each day at camp and on field trips. We offer a wide variety of food in order to accommodate a range of dietary needs. While we do not serve dishes with nuts, please note that our kitchen is not nut-free (and peanut butter is available to campers who would like it). You are welcome to send a snack and lunch with your daughter. You may contact the Sherie Graysmark, Director of Food Services for more specific information.

Can you accommodate my daughter if she needs to take medicine throughout the day?

Please bring your daughter’s medication on the first day of her session. We will store her medication in the camp office for her to take when needed. Please contact the Camp Director to discuss in more detail if needed.

What should my camper bring to camp each day?

Your daughter will be assigned an unlocked locker for her stay at camp. Please do not send valuables to camp. Please label all of her possessions. Each day she should bring a book for reading time, a swimsuit and flip-flops if she plans to swim, a water bottle, and a hat for the sun. Please apply sunscreen in the morning before camp and send her with some to apply during the day.

Will my daughter be offered enough liquids to stay hydrated through the day?

Yes, we have jugs of water and drinking fountains around camp. Please send her with a water bottle so that she may drink when she feels thirsty.

This was our first experience with summer camps in general, and we were thrilled with Castilleja. My daughters are still singing the camp cheers and songs, and we are very excited for next year.

— Casti Camp Parent 2018

Meet the Team

Polly Caddes

Titles: Director of Casti Camp

Marlyn Negron

Titles: Admission Coordinator/Summer Coordinator

Jon Rockman

Titles: Faculty Member, Science, Senior Class Dean, i2 Camp Director

Brenda Villa

Titles: Equity Education Coordinator, Head Coach, Varsity Water Polo, Assistant Coach, Varsity Swimming, Head Coach, VA Water Polo