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Oldest Private High Schools in California

The average private high school in California was founded around 1974 (2026-27).

The oldest private high school in California is San Domenico School, founded in 1850.

Quick Facts (26-27)

# CA Schools Ranked: 765
Top 20 Range (Year Founded): 1850–1883
CA School Avg.: 1974
National School Avg.: 1967

Quick Facts (26-27)

# CA Schools Ranked: 765
Top 20 Range (Year Founded): 1850–1883
CA School Avg.: 1974
National School Avg.: 1967

Frequently Asked Questions

What is the California average private high schools founding year?

The California average private high schools founding year is 1974 for 2026-27.

What are the private high schools with oldest founding year in California?

The top ranked private high schools in California include San Domenico School, Bellarmine College Preparatory and Edgewood Center For Children & Families.

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