Average Private High School ACT Scores in Washington (2026-27)

The Bear Creek School Top 6 · Highest Avg. SAT Score (WA)

BASIS Independent School of Bellevue Top 3 · Highest Avg. SAT Score (WA)

Charles Wright Academy Top 3 · Largest Endowment (WA)

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Average Private High School ACT Scores in Washington

The averageprivate high school ACT score in Washington is 29 (2026-27).

The private high school in Washington with the highest ACT score is BASIS Independent School of Bellevue, Auburn Adventist Academy, and BASIS Independent School of Bothell, among others each with an ACT score of 34.

Quick Facts (2026-27)

# WA Schools Ranked: 18
Top 20 Range (Avg ACT): 24–34
WA School Avg.: 29.4
National School Avg.: 25

Quick Facts (2026-27)

# WA Schools Ranked: 18
Top 20 Range (Avg ACT): 24–34
WA School Avg.: 29.4
National School Avg.: 25

Washington Average ACT Score (Trends)

View Data

Year	Washington (WA) avg
2025	28
2024	27
2023	27
2022	27
2021	27
2020	27
2019	27
2018	27
2017	27

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Show school map — Washington (avg ACT range: 24–34, avg 29.4)

Act Score Range: 24 34 Avg. Act Score: 29

Frequently Asked Questions

What is the Washington average private high schools ACT score?

The Washington average private high schools ACT score is 29 for 2026-27.

What are the private high schools with the highest ACT score in Washington?

The top ranked private schools in Washington include Annie Wright Schools, Auburn Adventist Academy and BASIS Independent School of Bellevue.

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