JS Summer

Get excited to be a part of Justin-Siena ALL SUMMER! Our extensive and comprehensive Summer Programs provide young students the opportunity to work with current Justin-Siena faculty, staff, coaches, students, and alumni in a fun learning environment. Take advantage of the opportunity to spend time on our beautiful campus and sign up today!

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.