To register for camp, please visit the links below. If you experience any difficulty during registration, please contact Erin Bostrom at More information on specific camps can be found under the Programs tab. 
A non-refundable deposit of $50* will be required for each camp. This will be billed through the Smartcare platform. If you aren’t currently enrolled at Cathedral School for Boys, or if you do not currently have a Smartcare account, one will be created for you and an email will be sent with information on how to create your account. Once your deposit has been paid, you will have secured your spot in that camp!
To make changes to your registration or to cancel your registration, please contact Erin Bostrom by phone at 415.614.5152 or via email at
*Adjusted Tuition rates apply.
We are proud to offer financial assistance to campers based on proven needs and available funds. For more information, visit our financial assistance webpage.
Brainworks Daily Schedule: M–F, 8:30am–4:00pm
Brainworks Dates:
  • June 10–13, 2024
  • June 17–18 & 20–21, 2024
  • August 5–9, 2024
  • August 12–15, 2024
Brainworks Camp Fee: $1,200 / Week
World Travelers Daily Schedule: M–F, 8:30am–12:00pm
World Travelers Dates:
  • July 29 – August 2, 2024
  • August 5–9
World Travelers Camp Fee: $650 / Week
City Explorers Daily Schedule: M–F, 8:00am–12:00pm
City Explorers Dates:
  • July 8–12, 2024
  • July 15–19, 2024
City Explorers Camp Fee: $675 / Week
How to Thrive in Middle School Daily Schedule: M–F, 8:30am–12:00pm
How to Thrive in Middle School Dates:
  • August 12–16, 2024
  • August 19–23, 2024 (TBD)
How to Thrive in Middle School Camp Fee: $550 / Week

Summer at CSB

Summer at CSB is a Cathedral School for Boys run program, located in San Francisco, California. Summer at CSB is open to girls and boys grades PreK-8 and offers five enriching summer programs. We strive to create a fun and welcoming environment where campers are able to experience all that our summer programs and Cathedral have to offer.
1275 Sacramento Street, San Francisco, CA 94108   •   Phone: 415.771.6600   •   Fax: 415.771.6601