Bell Schedule

Because biology matters.

The student experience is designed around research on adolescent biology. Our 9:00 am start time syncs naturally with our students’ sleep patterns

Please note that the Gasser Center allows for before and after school study hall (Hours: M-TH from 8:00-6:00pm/F from 8:00-4:00pm). 

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.