Visiting & Applying

Join us for a Tour!

Brave for a Day

Want to see ALLHEART in action? 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, and scheduled September–January, these visits offer a comprehensive experience for prospective families.

Don't see a date that works for you? You may also contact us for a private campus tour. 


Complete the online Admission Application
  • Please click here for the 2022-2023 school year admissions application
  • Early Decision applications due December 15, 2021
  • Regular Decision applications due January 24, 2022
  • Late Decision application accepted on a rolling basis after January 24, 2022. Call the Admissions Office for more details.
  • Submit Tuition Assistance Application (if necessary) by January 31, 2022
  • Submit Merit-based Scholarship Application by January 31, 2022
Admissions Interview
  • Upon receipt of your Admissions Application, you will be contacted to schedule your family interview
  • Interviews will be January 22 and February 5
Admission Decision
  • Early Decision begins February 11, 2022
  • Regular Decision begins March 1, 2022
Say “Yes!”
  • Early Decision registration is due by February 25, 2022
  • Regular Decision registration is due by March 14, 2022

Student FAQ's

For more information, please contact

List of 4 members.

  • Photo of Alicia Valdivia

    Alicia Valdivia 

    Director of Admissions; Instructor of Social Studies
    707.255.0950 ext. 621
  • Photo of Megan Dominici

    Megan Dominici 

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

    Jeremy Tayson 

    Director of Communications; Head Baseball Coach
    707.255.0950 ext. 734
  • Colin Hamilton 

    Outreach Associate

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 men and women in grades 9–12.