Districts
Orinda Union Elementary School District
Orinda, CA (Contra Costa County)
Orland Joint Unified School District
Orland, CA (Glenn County)
Oro Grande Elementary School District
Oro Grande, CA (San Bernardino County)
Oroville City Elementary School District
Oroville, CA (Butte County)
Oroville Union High School District
Oroville, CA (Butte County)
Outside Creek Elementary School District
Visalia, CA (Tulare County)
Owens Valley Unified School District
Independence, CA (Inyo County)
Oxnard School District
Oxnard, CA (Ventura County)
Oxnard Union High School District
Oxnard, CA (Ventura County)
Pacheco Union Elementary School District
Redding, CA (Shasta County)