Visiting & Applying


Ninth Grade Applicants

Entrance Exam

As part of the admissions process, Justin-Siena requires all incoming freshman applicants to take an Entrance Exam (PSAT 8/9). We will offer the exam on campus on December 2 and December 9. You must register in advance. Sign up here! 

Application Materials

Required Items

Most recent copy of your 7th and 8th grade transcript.
  • Sign and return the Transcript Release Form or access and upload it on your application portal account. You may request transcripts to be sent from your school on your portal account.

Principal/Math teacher/English teacher Recommendations
  • Enter their contact information in your admissions application and Justin-Siena will request them directly
  • You are welcome to include up to two additional teacher recommendations and/or a religious leader

Transfer Applicants

Justin-Siena High School accepts transfer applicants each year on a rolling basis. 

An ideal transfer student applicant will:
  • Show evidence of satisfactory progress in academic studies
  • Be free from serious disciplinary infractions
  • Have a record of punctuality and responsible attendance
  • Exhibit the ability to be a member of our ALLHEART community 

Required Materials

  • Complete the admissions application
  • Provide a a written letter describing why you would like to transfer to Justin-Siena
  • Submit a current transcript from your current school
  • Provide teacher recommendations or request an electronic recommendation through your application portal
  • Schedule an in-person interview

For more information, please contact

List of 3 members.

  • Photo of Alicia Valdivia

    Alicia Valdivia 

    Vice President for Enrollment Management; Instructor of Social Studies
    707.255.0950 ext. 621
  • Photo of Megan Dominici

    Megan Dominici '92 

    Director of Outreach
    707.255.0950 ext. 591
  • Photo of Jeremy Tayson

    Jeremy Tayson 

    Admissions & Communications Associate; Head Baseball Coach
    707.255.0950 ext. 734

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.