California Association of School Transportation Officials


CASTO Conference is now open for registration!


Welcome to CASTO Membership and Event registration page. Here you will be able to sign up for individual, agency or sustaining membership  and register for upcoming events such as Mechanics Workshop, Managers Forum, State Conference.

Upcoming events


If you would like to become a member of CASTO, please visit www. castoways.org and click on the Membership link!



We now accept payments online via Paypal. 


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