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Because biology matters.
The student experience is designed around
research on adolescent biology
. Our 9:00 am start time syncs naturally with our
students’ sleep patterns
.
Please note that the Gasser Center allows for before and after school study hall (Hours: M-TH from 8:00-6:00pm/F from 8:00-4:00pm).
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.
Calendar
Alumni
Welcome
Summer
JS Summer
Youth Summer Camps
High School Summer Program
Store
Back to School Guide
Parent Links
Open Sitemap
Admissions
Why Justin-Siena?
Meet Our Community
Visiting & Applying
Application
Tuition & Tuition Assistance
International Students
Transportation
About
Mission, History, Heritage
Meet our Faculty
Leadership
Board of Trustees
Foundation Board
Strategic Plan
Careers
News & Publications
Diversity and Inclusion
Academics
Curriculum
English
Mathematics
Religious Studies
Science
Social Studies
Visual and Performing Arts
World Languages
College Counseling
Our Approach
College Matriculations
Resources for College Reps
Our Counselors
Counseling
Our Counselors, Our Program
Advisory
Bell Schedule
Student Life
Arts
Dance
Music
Theatre
Tickets
Visual and Digital Arts
Faculty
Athletics
Athletic Department
Sports Medicine
Our Facilities
Baseball
Boys Basketball
Girls Basketball
Cheer
Cross Country
Football
Golf
Boys Lacrosse
Girls Lacrosse
Boys Soccer
Girls Soccer
Softball
Boys and Girls Swim & Dive
Tennis
Track and Field
Volleyball
Girls Water Polo
Boys Water Polo
Wrestling
Lasallian Student Life
Dining
Support JS
Make a Gift
What to Support
Justin-Siena Fund
Braves Alliance
Braves Alliance Sponsor Form
BravesUnited
DISP
LEAP
How to Give
Parent Association
Signature Events