The average private high school in Montana was founded around 1981 (2025).
The oldest private high school in Montana is Mount Ellis Academy, founded in 1902.
Year Founded Range: 1902
2017
Avg. Year Founded: 1981
Oldest Private High Schools in Montana (2025)
School
Founding Date
Grades
Location
Rank: #11.
Mount Ellis Academy![Mount Ellis Academy Photo - Mount Ellis Academy has existed in the beautiful Gallatin Valley since 1902.]( "Mount Ellis Academy Photo - Mount Ellis Academy has existed in the beautiful Gallatin Valley since 1902.")
(Seventh Day Adventist)
Founding Date: 1902
Grades: 9-12
3641 Bozeman Trail Rd
Bozeman, MT 59715
(406) 587-5178
Bozeman, MT 59715
(406) 587-5178
Rank: #22.
Manhattan Christian School![Manhattan Christian School Photo]( "Manhattan Christian School Photo")
(Calvinist)
Founding Date: 1907
Grades: PK-12
8000 Churchill Rd
Manhattan, MT 59741
(406) 282-7261
Manhattan, MT 59741
(406) 282-7261
Rank: #33.
Billings Central Catholic High School
(Catholic)
Founding Date: 1948
Grades: 9-12
3 Broadwater Ave
Billings, MT 59101
(406) 245-6651
Billings, MT 59101
(406) 245-6651
Rank: #44.
Treasure State Academy![Treasure State Academy Photo]( "Treasure State Academy Photo")
Alternative School (Baptist)
Founding Date: 1973
Grades: PK-12
100 46th Street N
Great Falls, MT 59405
(406) 727-5133
Great Falls, MT 59405
(406) 727-5133
Rank: #55.
Founding Date: 1979
Grades: PK-12
2526 Sunset Lane
Missoula, MT 59804
(406) 549-0482
Missoula, MT 59804
(406) 549-0482
Rank: #66.
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)
Founding Date: 1980
Grades: PK-12
255 FFA Dr
Kalispell, MT 59901
(406) 752-4400
Kalispell, MT 59901
(406) 752-4400
Rank: #77.
Founding Date: 1981
Grades: PK-12
4519 Grand Ave
Billings, MT 59106
(406) 656-9484
Billings, MT 59106
(406) 656-9484
Rank: #88.
Founding Date: 1982
Grades: PK-12
4310 Durston Road
Bozeman, MT 59718
(406) 587-9311
Bozeman, MT 59718
(406) 587-9311
Rank: #99.
Founding Date: 1993
Grades: PK-12
38907 WWJD Lane
Polson, MT 59860
(406) 883-0706
Polson, MT 59860
(406) 883-0706
Rank: #1010.
Petra Academy
(Christian)
Founding Date: 1995
Grades: PK-12
4720 Classical Way
Bozeman, MT 59718
(406) 582-8165
Bozeman, MT 59718
(406) 582-8165
Rank: #11 - 1211. - 12.
Foothills Community Christian High School
(Christian)
Founding Date: 1996
Grades: PK-12
2210 5th Ave North
Great Falls, MT 59401
(406) 452-5276
Great Falls, MT 59401
(406) 452-5276
Rank: #11 - 1211. - 12.
Kootenai Valley Christian School
(Christian)
Founding Date: 1996
Grades: PK-12
1024 Montana Ave
Libby, MT 59923
(406) 293-2303
Libby, MT 59923
(406) 293-2303
Rank: #1313.
Founding Date: 1998
Grades: 8-12
77 Trails End Rd
Eureka, MT 59917
(406) 889-5577
Eureka, MT 59917
(406) 889-5577
Rank: #1414.
Great Falls Central Catholic High School![Great Falls Central Catholic High School Photo]( "Great Falls Central Catholic High School Photo")
(Catholic)
Founding Date: 2000
Grades: 9-12
2800 18th Ave S
Great Falls, MT 59405
(406) 216-3344
Great Falls, MT 59405
(406) 216-3344
Rank: #1515.
Founding Date: 2014
Grades: 1-12
10180 Cottonwood Road
Bozeman, MT 59718
(406) 586-3409
Bozeman, MT 59718
(406) 586-3409
Rank: #16 - 1716. - 17.
Founding Date: 2017
Grades: 9-12
1905 W. Sussex Ave
Missoula, MT 59801
(406) 493-6886
Missoula, MT 59801
(406) 493-6886
Rank: #16 - 1716. - 17.
Founding Date: 2017
Grades: 9-12
2090 Stadium Dr
Bozeman, MT 59715
(406) 577-2492
Bozeman, MT 59715
(406) 577-2492
Frequently Asked Questions
What is the Montana average private high schools founding year?
The Montana average private high schools founding year is 1981 for 2025.
What are the private high schools with oldest founding year in Montana?
The top ranked private high schools in Montana include Mount Ellis Academy, Manhattan Christian School and Billings Central Catholic High School.
Recent Articles
A Parent's Guide To Understanding High School Teaching Methods
This comprehensive guide helps parents navigate the various teaching methods used in today's high school classrooms. By understanding these approaches, you'll be better equipped to support your teen's learning journey, communicate effectively with teachers, and create a complementary learning environment at home.
February 08, 2025
Social Emotional Learning: Education's Hidden SymphonyA musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.
January 24, 2025
A Roadmap For Starting A Private SchoolUse this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.
