Fountain Valley School of Colorado Top 3 · Largest Endowment (CO)

Dawson School Top 3 · Highest Avg. SAT Score (CO)

Colorado Academy Top 3 · Highest Avg. SAT Score (CO)

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Average Private School ACT Scores in Colorado

The averageprivate school ACT score in Colorado is 25 (2026).

The private school in Colorado with the highest ACT score is Rocky Mountain Montessori Academy, with an ACT score of 33.

Quick Facts (2026)

# CO Schools Ranked: 24
Top 20 Range (Avg ACT): 23–33
CO School Avg.: 25.0
National School Avg.: 25

Quick Facts (2026)

# CO Schools Ranked: 24
Top 20 Range (Avg ACT): 23–33
CO School Avg.: 25.0
National School Avg.: 25

Colorado Average ACT Score (Trends)

View Data

Year	Colorado (CO) avg
2025	25
2024	25
2023	25
2022	25
2021	25
2020	26
2019	25
2018	25
2017	25
2016	24
2015	24

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Show school map — Colorado (avg ACT range: 23–33, avg 25.0)

Act Score Range: 21 33 Avg. Act Score: 25

Frequently Asked Questions

What is the Colorado average private schools ACT score?

The Colorado average private schools ACT score is 25 for 2026.

What are the private schools with the highest ACT score in Colorado?

The top ranked private schools in Colorado include Rocky Mountain Montessori Academy, Dawson School and Colorado Academy.

What is private high school and private elementary school with the highest ACT score in Colorado?

The private high school with the highest ACT score in Colorado is Dawson School, with a value of 31. The private elementary school with the highest ACT score is Rocky Mountain Montessori Academy, with a value of 33.

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