Welcome to CASTO Chapter 17

We proudly serve the school transportation professionals of Lassen, Modoc, Shasta, Siskiyou, Tehama, and Trinity Counties.

Our mission is to promote safety, education, and professional growth for school bus drivers, mechanics, dispatchers, trainers, and all those dedicated to safely transporting students every day.

CASTO Chapter 17 is a proud part of the California Association of School Transportation Officials, representing our region’s commitment to excellence.