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Ontario School District

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    Due to Governor Brown's COVID-19 guidance, All District activities/events have been canceled until further notice.

    Please contact the school district office for questions regarding specific events. 

    • Alameda Calendar
    • Athletics & Activities Schedules
    • OMS Calendar
    • Pioneer Calendar
    • Cairo Calendar
    • May Roberts Calendar
    • OSD Calendar
    • Aiken Calendar
    • Holidays in United States
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