California Code, Education Code - EDC § 39878

(a) Hold a valid California commercial driver's license for the appropriate class of vehicle, endorsed for passenger transportation pursuant to Section 15278 of the Vehicle Code.

(b) Comply with paragraphs (2) to (14), inclusive, of subdivision (a) of Section 39877 if they are not already required to by law.

(c) This article shall not reduce other legal requirements placed on any driver who provides transportation services for pupils in a vehicle with a capacity of more than 10 persons, including, but not limited to, a driver of a schoolbus or school pupil activity bus.