Mark Day School is pleased to offer school bus service to and from the Presidio in San Francisco, Mill Valley, San Anselmo, Terra Linda/Sleepy Hollow, and Greenbrae.


Mark Day School Bus Policy

School Bus Registration

School Bus Routes and Times

Late bus sign up

Zum. For families not serviced by the bus routes, we have a partnership with child transportation provider Zum, whereby Mark Day School families will be able to take advantage of special rates and also be able to schedule carpools with peers.  Zum offers transportation services for traveling to and from the school safely and conveniently.  Parents/guardians will be able to schedule and coordinate directly with Zum via the Zum website and app. Email Sue Crowther for the discount code.


For general information and questions, please contact Sue Crowther at 415.472.8000 or