California Association of School Transportation Officials

All of CASTO's "In-Person" Events have been canceled through December 2020 due to the COVID19 Pandemic.

Chapter Events

Chapter 5

Serving Santa Barbara and Ventura Counties

Chapter 6

Serving Alpine, Amador, Butte, Colusa, El Dorado, Glenn, Nevada, Placer, Plumas, Sacramento, Sierra, Suter, and Yolo Counties

Chapter 6 | 2020-2021 Officer Contact List

Chapter 7

Chapter 8

Serving Fresno, Medera, Mariposa, Merced, and Mono Counties

Chapter 9

Serving San Luis Obispo County


Chapter 10

Serving Contra Costa, Napa, and Solano Counties

Chapter 12

Serving Kern County


Chapter 13

Serving Lake, Marin, Mendocino, and Sonoma Counties

Chapter 13 | 2020-2021 Officer Contact List

Chapter 14

Serving Inyo, Kings, and Tulare Counties


Chapter 15

Serving Calaveras, San Joaquin, Stanislaus, and Tuolumne Counties


Chapter 17

Serving Lassen, Modoc, Shasta, Siskiyou, Tehama, and Trinity Counties


Chapter 18

Serving Del Norte and Humboldt Counties


Chapter 19

Serving Monterey, San Benito, and Santa Cruz Counties

Chapter 20

Serving Bernardino County

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