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School Calendar

School Calendar

Wednesday, October 29, 2025

  • Oct
    29

    Respect Life Month

    In October, the Catholic Church considers more deeply why every life from conception through death is precious. Link to materials

  • LGBTQ+ History, National Bullying Prevention Months

  • 10th Annual ACCESS 707 Online Wine Auction

    Register and Bid!

  • A3 Early Release Schedule

    A Day Early Release Schedule

    • 9:00 - 10:15 Period 3
    • 10:15 - 10:30 Break
    • 10:30 -  11:50 Period 2
    • Passing Period
    • 11:55 - 1:10 Period 1
    • 1:10 - 1:45 Lunch
    • 1:45 Buses depart

  • Menu Options


    HOT BREAKFAST
    Breakfast Empanadas

    HOT LUNCH
    Chicken Quesadilla

    Premade Salads and Sandwiches

  • Brave For A Day

    We invite you to visit Justin-Siena High School through our Brave for a Day and Parent Talk & Tour visits. Led by our Student Ambassadors, these visits offer a comprehensive experience for prospective families. These visits are for both student and parents. The visit runs from 8:45am to 11:00am.  Click here to register.

Key Dates

Month at a Glance

Wednesday, October 29, 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.