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Orinda Union Elementary School District
- Sleepy Hollow Elementary School Calendar
- Orinda Intermediate School Calendar
- Wagner Ranch Elementary School Calendar
- Del Rey Elementary School Calendar
- Glorietta Elementary School Calendar
Other districts in California state
- Orcutt Union Elementary School District
- Oroville Union High School District
- Ontario-Montclair School District
- Oroville City Elementary School District
- Orange Unified School District
- Oxnard School District
- Oxnard Union High School District
- Oakley Union Elementary School District
- Ocean View School District
- Ojai Unified School District
- Old Adobe Union School District
- Orange Center School District
- Oceanside Unified School District
- Orchard Elementary School District
- Orick Elementary School District
- Oak Park Unified School District
- Oak Grove Elementary School District
- Oak Valley Union Elementary School District