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Top 20 Best California Nonsectarian Private High Schools (2025)

For the 2025 school year, there are 471 nonsectarian private high schools in California. You can also find more religiously affiliated schools in California.

The nonsectarian private high schools in California include The Webb Schools, BASIS Independent Silicon Valley, and Alsion Middle/High School.

Fusion Academy Warner Center Photo - In our mixed-media art studio students can discover their artistic passions or continue their love of creating art. We offer painting, drawing, graphic design, and many more different mediums for students to express themselves through art.

Idyllwild Arts Academy Photo - Krone Library is home to countless resources and study spaces for IAA students as well as the College Counseling Office. Our College Counseling staff work with our students throughout their time at the Academy, helping them prepare for the next step in their artistic journey.

Fusion Academy Solana Beach Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.

Fusion Academy Walnut Creek Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.

Fusion Academy San Diego Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.

Fusion Academy San Mateo Photo - Students get to be up close to everything in our science lab. In the one-to-one classroom students are always involved in experiments and have a hands-on approach to learning. We have college-level tools available and the world can be their classroom if they choose to venture out of the science lab.

Fusion Academy Pasadena Photo - In our mixed-media art studio students can discover their artistic passions or continue their love of creating art. We offer painting, drawing, graphic design, and many more different mediums for students to express themselves through art.

Fusion Academy Marin Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.

Pacific Ridge School Photo - HARKNESS LEARNING: Students build critical communication skills and critical thinking through student-centered discussion-based learning.

Qualia: The School for Deeper Learning Photo - Provocative, hands-on teaching, highlighting puzzles, mysteries, controversies and quandaries, is crucial to our deeper learning model.

Fusion Academy San Diego - Scripps Ranch Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.

The Harker School Upper School Photo - Harker's Eagle Buddies program matches upper school students with lower school students for three years. The buddies meet 3 times per year for fun and food!

Fusion Academy Anaheim Hills Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.

Fusion Academy Westlake Village Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.

Sacramento Country Day School Photo - With low student-teacher ratios, Sacramento Country Day School offers a highly-personalized educational experience that challenges students to innovate, and explore in a flexible academic program.

Fusion Academy Santa Barbara Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.

Fusion Academy Palo Alto Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.

Fusion Academy South Bay Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.

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