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St. Louis University High School Top 3 路 Oldest Founding Date (MO)

John Burroughs School Top 3 路 Highest Avg. SAT Score (MO)

Thomas Jefferson School Top 3 路 Highest Avg. SAT Score (MO)

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Average 草榴社区 High School ACT Scores in Missouri

The averageprivate high school ACT score in Missouri is 26 (2026-27).

The private high school in Missouri with the highest ACT score is John Burroughs School, with an ACT score of 33.

Quick Facts (2026-27)

# MO Schools Ranked: 62
Top 20 Range (Avg ACT): 27鈥�33
MO School Avg.: 25.6
National School Avg.: 25

Quick Facts (2026-27)

# MO Schools Ranked: 62
Top 20 Range (Avg ACT): 27鈥�33
MO School Avg.: 25.6
National School Avg.: 25

Missouri Average ACT Score (Trends)

View Data

Year	Missouri (MO) avg
2025	26
2024	26
2023	26
2022	26
2021	26
2020	26
2019	26
2018	26
2017	26
2016	25
2015	25

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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 鈥� Missouri (avg ACT range: 27鈥�33, avg 25.6)

Act Score Range: 25 33 Avg. Act Score: 28

Frequently Asked Questions

What is the Missouri average private high schools ACT score?

The Missouri average private high schools ACT score is 26 for 2026-27.

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

The top ranked private schools in Missouri include John Burroughs School, Thomas Jefferson School and Pembroke Hill School.

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