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Largest California Private High Schools

The average private high school in California has 256 students (2026).

The largest private high school in California is Mother Of Divine Grace School, with 6,206 students.

Quick Facts (2026)

# CA Schools Ranked: 1,063
Top 20 Range (Students): 1,428–6,206
CA School Avg.: 256
National School Avg.: 244

Quick Facts (2026)

# CA Schools Ranked: 1,063
Top 20 Range (Students): 1,428–6,206
CA School Avg.: 256
National School Avg.: 244

California Average Students Per School (Trends)

View Data

Year	California (CA) avg
2025	254
2024	249
2023	261
2022	270
2021	265
2020	250
2019	246
2018	234
2017	242
2016	230
2015	205

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Show school map — California (students range: 1,428–6,206, avg 256)

School Size Range: 1,227 6,206 Avg. School Size: 1,670

Frequently Asked Questions

What is the California average private high schools student size?

The California average private high schools student size is 256 for 2026.

What are the private high schools with the largest student size in California?

The top ranked private high schools in California include Mother Of Divine Grace School, Laurel Springs School and School Of Science Technology Engineering And Math.

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