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Largest Washington Private High Schools

Name: Washington Average Students Per School Trends (High School)
Creator: Private School Review
License: https://www.privateschoolreview.com/terms

The average private high school in Washington has 262 students (2026-27).

The largest private high school in Washington is Cedar Park Christian Schools, with 1,591 students.

Quick Facts (26-27)

# WA Schools Ranked: 205
Top 20 Range (Students): 775–1,591
WA School Avg.: 245
National School Avg.: 244

Quick Facts (26-27)

# WA Schools Ranked: 205
Top 20 Range (Students): 775–1,591
WA School Avg.: 245
National School Avg.: 244

Washington Average Students Per School (Trends)

Showing 2016–2025. View full 14-year historical data

Total Growth: +19.2% (+43 since 2016)

View Data

Year	National avg	Washington (WA) avg	YoY Change (#)	YoY Change (%)
2025	253	267	▲ +6	▲ +2.3%
2024	245	261	▲ +15	▲ +6.1%
2023	247	246	▲ +12	▲ +5.1%
2022	257	234	▼ -2	▼ -0.8%
2021	249	236	▲ +11	▲ +4.9%
2020	235	225	▼ -5	▼ -2.2%
2019	242	230	▼ -4	▼ -1.7%
2018	238	234	▲ +8	▲ +3.5%
2017	246	226	▲ +2	▲ +0.9%
2016	241	224	▲ +7	▲ +3.2%
2015	220	217	▼ -18	▼ -7.7%
2013	242	235	▲ +29	▲ +14.1%
2012	219	206	—	—

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Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

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 — Washington (students range: 775–1,591, avg 245)

School Size Range: 459 1,591 Avg. School Size: 820

Frequently Asked Questions

What is the Washington average private high schools student size?

The Washington average private high schools student size is 262 for 2026-27.

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

The top ranked private high schools in Washington include Cedar Park Christian Schools, Lynden Christian Schools: Administration and King's Schools.

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