boarding schoolsAt Southwestern Academy, you can reach your highest potential, participate in sports and activities, and make lifelong friendships. Our students study on two picturesque and complementary campuses in San Marino, California, and Rimrock, Arizona.

Many outdoor activities are available to students at the Arizona campus including horseback riding, camping, astronomy, fishing, and mountain biking.

Southwestern’s vision is to offer American and international students personalized, stimulating classes and supportive, nurturing care that allows individual student success, understanding of diverse cultures, and preparation for college and life.


    • A rigorous curriculum prepares students for college
    • A supportive, caring community makes every student feel included
    • Small class sizes offer personal attention
    • An intensive ESL Program teaches English quickly
    • Our dedicated faculty inspire students
    • Two distinctive campuses provide beautiful settings
    • Extracurricular activities build well-rounded students
    • The international student body promotes multicultural understanding

Tuition is $50,500 for international boarding students and $44,600 for domestic boarding students.