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Home > California > Average Student Size

Largest California Private Schools

The average private school in California has 180 students (2026).

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

Quick Facts (2026)

# CA Schools Ranked: 3,666
Top 20 Range (Students): 1,472–6,206
CA School Avg.: 180
National School Avg.: 175

Quick Facts (2026)

# CA Schools Ranked: 3,666
Top 20 Range (Students): 1,472–6,206
CA School Avg.: 180
National School Avg.: 175

California Average Students Per School (Trends)

View Data

Year	California (CA) avg
2025	180
2024	175
2023	181
2022	189
2021	185
2020	179
2019	179
2018	173
2017	179
2016	173
2015	162

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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map — California (students range: 1,472–6,206, avg 180)

School Size Range: 1,234 6,206 Avg. School Size: 1,812

Frequently Asked Questions

What is the California average private schools student size?

The California average private schools student size is 180 for 2026.

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

The top ranked private schools in California include Mother Of Divine Grace School, Emerson Montessori School - Palo Alto and HeadsUp! Montessori Preschool - Palo Alto.

What is private high school and private elementary school with the largest student size in California?

The private high school with the largest student size in California is Mother Of Divine Grace School, with a value of 6206. The private elementary school with the largest student size is Mother Of Divine Grace School, with a value of 6206.

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