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Casti Is

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. 

You will receive a confirmation page as soon as your payment has been received. This will be your one and only receipt. 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 in Casti Camp. You will receive additional information about class registration in late May for Session 1. For the other sessions, you will receive class registration information about ten days before the session begins.

There is a limited Financial Aid budget. If you wish to apply for it, please click here for the 2018 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 camp registration.

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

2018 4-Week Casti Camp Fee

$2,300 ($2,210 for Session 1, due to the July 4 holiday)

2018 2-Week Casti Camp Fee

$1,225 ($1,135 for Session 1B, due to the July 4 holiday)

CILT 1: $2,210 (no camp July 4)

CILT 2: $2,300

2018 Extended Care Fee

4:00–6:00 pm: $190 per 2-week session, $380 per 4-week session, or $25 per day


Begins at 6:01 pm
$20.00 for the first 10 minutes
$1.00 for each minute after 6:10 pm
All fees to be paid at the time of pick-up. 
No exceptions!

  • Families withdrawing before May 1, 2018 will be charged a $250 cancellation fee. No refunds will be issued after May 1, 2018.
  • The CILT program is 4-week program only and not offered as a 2-week option.

2018 Financial Aid Application

Campus Map for Summer Camp



© 2014 Castilleja School    |   1310 Bryant Street    |    Palo Alto, CA 94301    |    650 328 3160    |    Contact Us     |    Careers    |    
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