Previous Next

General Contact

Thank you for your interest!

Contact Us:

707.255.0950
707.255.0334  FAX - Main Office

Faculty/ Staff Directory

  • Photo of Alex Peterson
    Alex Peterson
    Social Studies
    Instructor of Social Studies
    Since: 2023
    707.255.0950 ext. 777
    Georgetown University - B.A.
    Princeton Theological Seminary
  • Photo of Jamie Powell
    Jamie Powell
    Administrative Support
    Assistant to the Administrative Team
    Since: 2022
    707.255.0950 ext. 674
    University of Portland - B.A.
  • Photo of Matthew D. Powell
    Matthew D. Powell
    Administration
    President
    Since: 2022
    707.255.0950 ext. 641
    University of Portland - B.A.

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.