Advanced USA high school search >>
USA School Search

Advanced USA high school search >>
USA School Search

Justin-Siena Catholic High School California Boarding School USAJustin-Siena Catholic High School California Boarding School USAJustinsiena-swim-banner-webJustin-Siena Catholic High School California Boarding School USAJustin-Siena Catholic High School California Boarding School USA



Number of Students

660 (4% international)

SAT Average


Accepting Students in Grades


Justin-Siena High School

Private Boarding School – Napa , California

Justin-Siena High School, in Napa, is a US Catholic co-educational college prep and boarding school for students grades 9 through 12. The school has a unique approach to learning, combining traditional tried-and-true methods of instruction with a rigorous curriculum that challenges young minds. Justin-Siena also has a technology-centered iPad Program to ensure students are ready to serve and lead in the highly competitive, ever-changing world. The school offers 8 Advanced Placement and 9 Honors courses along with unique engineering, environmental studies and leadership programs.

Located on nearly 40 acres in the beautiful region of Northern California, the facilities include a drama center, scientific and academic research centers, a stadium, water sports center, and a center for the performing arts.

Sports and Arts
Justin-Siena has a rich tradition in the performing arts (plays, musicals, dance, concerts and comedy improv), an outstanding athletic program with a large variety of team and individual sports opportunities designed to encourage students to develop into productive, happy, well-rounded young adults.

Dormitories and Student Life
The boarding program receives students from grades 9 to 12. The dormitory is located in a beautiful home on the north side of campus and is comprised of domestic and international students. The house hosts up to 28 students and has both roommate suites and several private rooms.

Students who reside in the Justin-Siena Boarding Program will experience:
• A safe home with on-going adult supervision
• Home cooked dinners
• Weekend Excursions with Transportation
• English Language Support Program
• Wireless Internet Access
• Academic Support and Resources

One hour north of San Francisco.

Area population: 85,000
City website: City of Napa

Estimated Start Date: Late August
Estimated End Date: Early June

Honors Courses
English Language Literature and Pre-AP Language Literature; Algebra; Geometry; Spanish; Pre-Calculus; Physics; Chemistry; U.S. History

School Facts

Student Population


Number of Students

660 (4% international)

Accepting Students in Grades


Teacher/Student Ratio


Average Class Size


ESL Programs


IB Programs


Offer Diploma


School Uniform


Campus Size

40 Acres

Religious Affiliation


SAT Average


Foreign Languages

  • Chinese
  • French
  • Spanish

University Acceptance Rate



  • Advanced Choral
  • Advanced Dance
  • Advanced Studio Art
  • Advanced Theater
  • Choral
  • Dance
  • Film Studies
  • Graphic Design
  • Instrumental Music
  • Studio Art
  • Theater
  • Theater Production

AP Courses

  • Biology
  • Calculus AB
  • Calculus BC
  • Computer Science
  • Environmental Science
  • US Government and Politics
  • US History
  • World History


  • Baseball
  • Basketball
  • Cheerleading
  • Cross Country Running
  • Dance
  • Football
  • Golf
  • Lacrosse
  • Soccer
  • Softball
  • Swimming and Diving
  • Tennis
  • Track and Field
  • Volleyball
  • Waterpolo
  • Wrestling

Extracurricular Activities & Clubs

  • Amnesty International
  • BBQ
  • California Scholarship Federation
  • Cooking
  • Ecology
  • French Language
  • Key Club
  • Literary Magazine
  • Mandarin
  • Mock Trial
  • Multi Cultural
  • National Honor Society
  • Outdoor Activity
  • Spanish Language
  • Student Ambassadors
  • Student Council
  • Young Democrats

School Location

Partial List of College and University Acceptances

Stanford University, Berkley School of Music, Boston College, Boston University, California Institute of Technology, Princeton University, Creighton University, Harvard University, Mills College, Yale University, College of William and Mary, California State University, University of California – Berkeley, University of California – Los Angeles, University of California – Davis, Naval Academy (West Point), University of Southern California, Georgetown University, Duke University, Brown University, Columbia University, Rice University, Dartmouth College, Middlebury College, Northwestern University, New York University, University of Notre Dame, University of Pennsylvania, University of Colorado, University of San Francisco, Pepperdine University, Cornell University, St. Louis University

National Merit Scholarship Program
In the last five years, three students have been selected as Finalists; eleven as Commended Scholars, two named National Hispanic Recognition Program Scholars and one named National Achievement Program Scholar

ACT Average:

Closest International and Local Airports: San Francisco International Airport (SFO)
For Details Visit Website: Justin-Siena High School

Submit a pre-application for your student now