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Top 20 Best California Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 128 private high schools belonging to National Association of Independent Schools (NAIS) serving 67,058 students in California. You can also find more schools membership associations in California.

The private high schools belonging to National Association of Independent Schools (NAIS) in California include The Webb Schools, BASIS Independent Silicon Valley, and The Bishop's School.

The average tuition cost is $43,135, which is higher than the California private high school average tuition cost of $22,887.

23% of private high schools belonging to National Association of Independent Schools (NAIS) in California are religiously affiliated (most commonly Catholic and Jewish).

St. Francis High School - Salesian College Preparatory Photo - Experience the biomedical science pathway or computer science in a small, personal learning environment. We have a 12:1 student-teacher ratio and class sizes averaging 20.

Laurel Springs School Photo - Class of 2024

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

Drew School Photo - Drew School believes in teenagers - their ideas, their dreams, their opinions, and their potential. That's why we've created a high school community that challenges the traditional definition of success and celebrates achievement one student at a time.

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.

The Webb Schools Photo - Welcome to Webb

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!

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

Woodside Priory School Photo - School spirit is huge at Priory. More than 30 club and activity choices are available to High School students. Clubs provide opportunities to discover passions, develop strengths, apply academic knowledge in a practical way, develop self-knowledge, and learn to make the choices necessary to manage a busy schedule independently.

Jewish Community High School Of The Bay Photo - JCHS' curriculum integrates areas including math and science, humanities and the arts, and Jewish Studies. This curriculum emphasizes the development of skills in textual reading, contextual understanding, writing and public speaking, logic and creative expression, experiential learning, and critical thinking. Our talented faculty draw on a wide array of innovative strategies to support student learning, and challenge each student to construct their own understanding of how the world works.

Besant Hill School Photo - Besant Hill School is located in the Ojai Valley, on 500 acres of private land with beautiful vistas in every direction. Facilities include four dormitories, outdoor sports facilities including a new aquatic center, indoor theater, atelier, and classrooms nestled along winding paths and oak trees. We also have an eight acre organic farm.

TVT Community Day School Photo - Welcome to TVT's state-of-the-art campus featuring grade-level "villages," ample space, and 21st Century technology.

Urban School Of San Francisco Photo - Urban's new Oak Street Campus (Mark Salkind Center).

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