• January

    Justin-Siena Theatre—The First 50 Years

    Eileen Mize
    It is not often that a school can celebrate fifty years of a stellar program that has touched the lives of so many, but we can! Enjoy this tribute to fifty years of Justin-Siena Theatre.
    Read More
Back 2019

Media Contact

Eileen Mize
Director of Communications
707.255.0950 ext. 669

Avanti Autumn 2018

2017-18: Celebrating Our Students

Avanti Archives

Student Lit Mag

Justin-Siena High School

Justin-Siena is a Catholic high school in the Lasallian tradition offering a college preparatory program that serves young men and women in grades 9–12.