General Contact

Thank you for your interest!

Contact Us:

707.255.0950
707.255.0334  FAX - Main Office

Faculty/ Staff Directory

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.