Justin-Siena is a Catholic college preparatory high school in the Lasallian tradition sponsored by the De La Salle Christian Brothers. The school serves more than 655 young men and women in grades 9-12. Justin-Siena is located on forty acres in the city of Napa and is part of the Diocese of Santa Rosa. Accredited by the Western Association of Schools and Colleges (WASC) and the Western Catholic Education Association (WCEA), Justin-Siena inspires faith, scholarship, and bravery. As a college preparatory school, our curriculum is designed for students to be competitive for college placement with nearly all graduates advancing on to college or university - with more than 70% of those attending four-year institutions. Home of the Braves, Justin-Siena offers vibrant co-curricular programs that enhance student life by engaging young people in unique activities including spiritual development, service, athletics, and the arts while developing and exercising personal leadership skills and being of service to the greater community.