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Back to School Guide

Here you will find everything you need to know to successfully prepare for the 2025-26 school year whether you're a returning student, an incoming freshman, or joining us from another country. We look forward to welcoming everyone to campus in August. Have a wonderful summer!

General

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  • Dress Code

    Here you will find the updated dress code. Please note the red plaid skirt is the only item that is required to be purchased through Lands' End.




  • Orientation for All Classes

    Transfer/New International Student Orientations is held on Monday, August 11, 9:00 am - 1:00 pm with lunch provided. Students will also attend their class Orientation on Tuesday, August 12. See below for dates and times for each grade.

    Freshman Orientation - Friday, August 8, and Monday, August 11, 9:00 am - 3:00 pm with lunch provided each day. Buses depart at 3:15pm in the north parking lot by Siena Hall.
    Yearbook pictures for freshmen will be taken during orientation on Monday, August 11. Students are to be in dress code for the pictures.

    Students will meet members of our faculty and staff, learn tips for being successful at Justin-Siena, and acquire skills to be prepared for the year. 
     
    Sophomore Orientation - Tuesday, August 12, 9:00 am - 11:00 am
     
    Junior Orientation - Tuesday, August 12, 11:00 am - 1:00 pm
     
    Senior Orientation -  Tuesday, August 12, 1:30 pm - 3:30 pm

    Note: All Orientations will begin in the Dining Hall.

    Students must be in dress code as pictures will be taken for ID cards and yearbooks during their orientation time.

    Bus transportation will not be available on Tuesday, August 12. 

    Seniors contact Kathy Kellebrew at kathykellebrew@sbcglobal.net to schedule Yearbook senior portraits.


  • Orientation for Transfer/International Students

    Transfer/New International Student Orientations will take place on Monday, August 11, from 9:00 am - 1:00 pm with lunch provided. Students will also attend their class Orientation on Tuesday, August 12.

    Note: Bus transportation is available on Monday, August 11, but not on Tuesday, August 12.

  • School Pictures/Senior Portraits

    School pictures are taken during Orientations. Students must be in dress code.  To order school pictures click here and enter the school ID below.

    School ID: EVTZHDWM6

    Seniors should contact Kathy Kellebrew directly at kathykellebrew@sbcglobal.net to schedule having yearbook senior portraits taken. These formal pictures are also compiled in a framed collage that is hung on campus. Past class years may be viewed in the hallways of the CBC Welcome Center.


  • Volunteer Form

    Volunteering is at the core of our mission. We are a more vibrant community and have more to offer because of the parents, extended family, and alumni who share their expertise, enthusiasm, and care for our students. Volunteers also serve as valuable role models in the student community, demonstrating the Lasallian tradition of service.

    Let us know here how you would like to be involved!

  • Dining Hall

    Daily menu items may be found on the Justin-Siena calendar by clicking on the A day or B day rotation. (A1, B4, A3, B7)

Academics

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  • Class Schedule Changes

    1) Summer courses taken as a prerequisite which resulted in a schedule change must be completed by August 1, in order to remain in the updated course. Please contact your guidance counselor with any questions.
    2) Students may initiate changes to their fall class schedule by making the request through their counselors before Monday, August 25.

    Please note that requests based on teacher preference or the desire to be with one’s friends will be denied. 



     

  • Course Lists

    Students' course lists are emailed prior to June 30. Should you have any questions about your student’s course list, please contact their guidance counselor.


  • Summer Assignments

    Many Honors, AP®, and language courses have required summer assignments.  These assignments are necessary for success in intensive courses as they provide a head start on curriculum and an opportunity for extended practice in foundational skills.

    Summer assignments were distributed by teachers and posted in Schoology. The assignments may also be found in the Resources section of the Schoology Groups for the Classes of 2026, 2027 and 2028.

    Transfer students should have received a link in the Tentative Course List email.

    Courses with Summer Assignments:
     
    AP® English Language and Composition (107)
    AP® English Literature and Composition (109) 
    Honors English 10: Coming of Age Literature (161)
    Honors Algebra II
    AP® Calculus AB (313)
    AP® Calculus BC (335)
    Honors Pre-Calculus (312)
    AP® Biology (408)
    AP® Chemistry (419)
    AP® US Government and Politics (517)
    AP® Macroeconomics/Microeconomics (525/526)
    AP® US History (503)
    AP® World History (530)
    AP® Spanish Language and Culture (237)
    Honors Spanish III (205)
    AP® 2D Art and Design / AP Drawing (770/771)



  • Textbooks Purchasing Directions

    Justin-Siena partners with Flannery Book Service where families can compare prices and purchase books from online merchants.  

    Click here for the textbook list with detailed information regarding textbook purchasing. 


  • Join Textbook Buy, Sell, and Swap Group in Schoology

    Login to Schoology, and then enter and join the Schoology Group: “Textbook Buy, Sell, and Swap.” Here you can make your own trades with school community members by posting which books you would like to sell and which books you would like to buy for next year. New and transfer parents should have received an email in mid-June. Contact support@justin-siena.org should you have any issues with your account. 

    To access the Textbook Buy, Sell, and Swap Group, log in to Schoology.  Click on Groups. Click on Join.  And enter the Access Code 795P-XNHT-D2HWP.

    Please remember, you must have the exact ISBN. Do not trust a book cover or assume a book will be the same as last year as book covers and editions change frequently.  Additionally, do not buy used workbooks or paperbacks for English classes; all workbooks and English class paperbacks must be in new condition, without marks, notes, or answers written in them.


  • Physical Fitness Requirement

    Students meet the Physical Fitness requirement by participating in approved physical activities for two years or six athletic seasons.
    • Athletic seasons are defined as the dates inclusive of fall sports, winter sports, spring sports, and summer workouts.
    • Successful completion of two semesters of a Justin-Siena physical education or dance class fulfills one year of the Physical Fitness requirement.   
    • For off-campus physical activities, one season is the equivalent of 36 hours of participation in a physical activity. 
    For tracking off-campus physical fitness activities, download the Physical Fitness Requirement Form. directions, requirements, and guidelines. 

Athletics

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  • Seasons of Sport

    Fall: B/G Cross Country, Football, Girls Golf, Girls Tennis, Volleyball, and B/G Water Polo

    Winter: B/G Basketball, B/G Soccer, B/G Wrestling

    Spring: Baseball, Boys Golf, B/G Lacrosse, Softball, B/G Swimming, Boys Tennis, B/G Track

    Contact head coaches or the Athletic Director for more information about off-season workouts, official start dates, and specific program questions

  • Practice and Conditioning

    Many programs are active over the summer. Contact the head coach for more information about your program's summer schedule. 

    Official Start Dates for In-Season Sports Practices
    Fall: August 11, 2025
    Winter: November 3, 2025
    Spring: February 9, 2026

  • Required Forms

    All sportsware and physical forms must be completed and verified prior to the start of official in-season practice. Physicals are not required for summer and pre-season workouts, but are recommended. Contact Athletic Trainer Willem Winkelman for more information at wwinkelman@justin-siena.org

Business

List of 3 items.

  • Tuition Payments

    Justin-Siena partners with Blackbaud Tuition Management for the processing and collection of tuition and fees.
     
    Please select a payment method that works best for you
    • Choose to receive a monthly invoice, or
    • Set up recurring automatic payments from your bank account or credit card (Visa, MasterCard, Discover, and American Express are accepted
    • Review account history, transaction details, and print monthly invoices
    • Edit your contact information, password. and payment method
    • Make a payment or set up recurring payments
     
    Payments in cash or check are always accepted In the Business Office with Ms. Eileen Simmons in the CBC.

  • Bus Passes/Bus Route Schedules

    Bus passes will be available for purchase in person via the Business Office with Ms Eileen Simmons in the CBC or online, beginning August 1. While there are several different purchase options available, the annual pass offers the best value.  

    The schedule for the bus routes and the transportation plan will be posted on our website and Schoology. 


  • Student Drivers

    All student drivers must complete an automobile registration form. This form will be posted on Schoology the first week of school. Please see Mrs. Ramirez in the Zeller Center at the Attendance Desk with any questions.
    Student Driver form


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.