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School Calendar

School Calendar

Saturday, November 1, 2025

  • Nov
    1

    All Saints Day

    Holy Day of Obligation 
    All Saints' Day is a solemn holy day of the Catholic Church celebrated annually on November 1. The day is dedicated to the saints of the Church, that is, all those who have attained heaven.

  • Native American Heritage Month

  • Class of '75 Reunion

    Dining Hall / Commons

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Saturday, November 1, 2025

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Justin-Siena High School

4026 Maher Street
Napa, CA, 94558
United States
T: 707.255.0950 
F: 707.255.0334
Justin-Siena is a Lasallian Catholic college preparatory community that serves young people in grades 9–12.