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Best California Private High Schools Belonging to The Association of Boarding Schools (TABS) (2025-26)

For the 2025-26 school year, there are 16 private high schools belonging to The Association of Boarding Schools (TABS) serving 5,696 students in California. You can also find more schools membership associations in California.

The private high schools belonging to The Association of Boarding Schools (TABS) in California include The Webb Schools, Cate School, and The Athenian School.

The average tuition cost is $58,563, which is higher than the California private high school average tuition cost of $23,280.

25% of private high schools belonging to The Association of Boarding Schools (TABS) in California are religiously affiliated (most commonly Catholic).

The Webb Schools Photo - Expanding Minds, Opening FuturesExpert faculty will inspire you to think boldly, lead with confidence, and grow as an innovator. Surrounded by mountains, beaches, Los Angeles, and natural wonders, you'll discover new possibilities, prepare for exciting college pathways, and thrive in a community that values learning, leadership, and joy.

Santa Catalina School Photo - The Marine Ecology Research Program on their summer trip to Hawaii.

San Domenico School Photo - Located on 515 acres in San Anselmo, California, our campus features state-of-the art academic facilities, a music conservatory, swimming pool, gymnasium, one-acre organic garden, 2,358 solar panels, and six tennis courts. We are located 20 minutes north of San Francisco.

Villanova Preparatory School Photo - Founded in 1924, Villanova Prep is the only Catholic boarding school in the Augustinian tradition. Our 130-acre campus located in Ojai, California, approximately 60 minutes north of Los Angeles, has several athletic and academic facilities to support our students' development of mind, body, and spirit.

Besant Hill School Photo - Nestled on 520 stunning acres in Ojai Valley, Besant Hill School offers breathtaking views, 3 dorms, an aquatic center, theater, studios, and classrooms tucked among oak trees. Our greenhouses and outdoor sports facilities complete the vibrant, inspiring campus.

Archbishop Riordan High School Photo - A view of Riordan's gym.

Idyllwild Arts Academy Photo - Idyllwild Arts Academy is home to approximately 270 students from 30 countries and 26 US states, all devoted to intensive study of the arts. Located 2 hours from Los Angeles, 2 hours from San Diego, and 1 hour from Palm Springs, the Academy is an artistic crossroads for Southern California.

Stevenson School - Pebble Beach Campus Photo

The Thacher School Photo - "Education is not merely the making of scholars. It is the making of men and women. It is the training of the younger generation in the art of living for their own greatest good and the greatest good of their fellow citizens." -Sherman Day Thacher

Dunn School Photo - The outdoor education program at Dunn School fosters greater self-awareness through physical challenges and leadership experiences in the outdoors.

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.

Midland School Photo - How is Midland different? Our 4:1 student to faculty ratio allows for small class sizes and close-knit relationships. With under 90 students, everyone knows your name. No cell phones here, but Midlanders do spend a lot of time together in real life: horseback riding, hiking, gardening, creating art, building things, and envisioning an environmentally sustainable and just future.

Southwestern Academy Photo - San Marino Campus

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