The averageprivate high school ACT score in Montana is 24 (2026).
The private high school in Montana with the highest ACT score is Stillwater Christian School, with an ACT score of 26.
Act Score Range: 22
26
Avg. Act Score: 24
Average Private High School ACT Scores in Montana (2026)
School
ACT Score
Grades
Location
Rank: #11.
Stillwater Christian School ![Stillwater Christian School Photo - SCS Campus - High School and Middle School Building Stillwater Christian School Photo - SCS Campus - High School and Middle School Building]()

(Christian)
ACT Score: 26
Grades: PK-12
255 FFA Dr
Kalispell, MT 59901
(406) 752-4400
Kalispell, MT 59901
(406) 752-4400
Rank: #22.
Great Falls Central Catholic High School ![Great Falls Central Catholic High School Photo Great Falls Central Catholic High School Photo]()

(Catholic)
ACT Score: 25
Grades: 9-12
2800 18th Ave S
Great Falls, MT 59405
(406) 216-3344
Great Falls, MT 59405
(406) 216-3344
Rank: #3 - 43. - 4.
ACT Score: 24
Grades: PK-12
4519 Grand Ave
Billings, MT 59106
(406) 656-9484
Billings, MT 59106
(406) 656-9484
Rank: #3 - 43. - 4.
Foothills Community Christian High School
(Christian)
ACT Score: 24
Grades: PK-12
2210 5th Ave North
Great Falls, MT 59401
(406) 452-5276
Great Falls, MT 59401
(406) 452-5276
Rank: #55.
Billings Catholic Schools ![Billings Catholic Schools Photo Billings Catholic Schools Photo]()

(Catholic)
ACT Score: 22
Grades: PK-12
3 Broadwater Ave
Billings, MT 59101
(406) 867-8043
Billings, MT 59101
(406) 867-8043
Frequently Asked Questions
What is the Montana average private high schools ACT score?
The Montana average private high schools ACT score is 24 for 2026.
What are the private high schools with the highest ACT score in Montana?
The top-ranked private schools in Montana include Stillwater Christian School, Great Falls Central Catholic High School and Billings Christian School.
Recent Articles
Private School Closures and Consolidations: Warning Signs to Watch
Learn the financial, enrollment, and leadership warning signs that may indicate a private school is at risk of closure or consolidation, and how families can prepare.
AI Tutoring in Private Schools: Innovation or Risk?
Discover how AI tutoring is changing private education, the benefits and risks for students, and what parents should ask before enrolling.
What New Cell Phone Laws Mean for Private School Families
Learn how new cell phone laws are affecting private schools, what parents should expect, and how to evaluate school technology policies in 2026.
