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Oldest ²ÝÁñÉçÇø High Schools in Montana

The average private high school in Montana was founded around 1971 (2026-27).
The oldest private high school in Montana is Loyola Sacred Heart High School, founded in 1873.

Quick Facts (2026-27)

  • # MT Schools Ranked: 26
  • Top 20 Range (Year Founded): 1873–1998
  • MT School Avg.: 1970
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # MT Schools Ranked: 26
  • Top 20 Range (Year Founded): 1873–1998
  • MT School Avg.: 1970
  • National School Avg.: 1967
Show school map — Montana (year founded range: 1873–1998, avg 1970)
Year Founded Range: 1873 2017 Avg. Year Founded: 1971

Oldest ²ÝÁñÉçÇø High Schools in Montana (2026-27)

Map of Loyola Sacred Heart High School
Gr: 9-12 | 181 students
Catholic
320 Edith St
Missoula, MT 59801
(406) 549-6101
Map of St. Labre High School
Gr: 9-12 | 208 students
Catholic
Mission Rd
Ashland, MT 59003
(406) 784-4561
Map of Butte Central Catholic High School
Gr: 9-12 | 97 students
Catholic
9 S Idaho St
Butte, MT 59701
(406) 782-6761
Mount Ellis Academy Photo
Gr: 9-12 | 59 students
Sports: 3 | Extracurriculars: 4
Seventh Day Adventist
3641 Bozeman Trail Rd
Bozeman, MT 59715
(406) 587-5178
Manhattan Christian School Photo
Gr: PK-12 | 321 students
Avg. class size: 20 students
Sports: 7 | Extracurriculars: 3
Calvinist
8000 Churchill Rd
Manhattan, MT 59741
(406) 282-7261
Billings Catholic Schools Photo
#6(°Õ6–T7)Billings Catholic Schools
Gr: PK-12 | 1,116 students
Avg. class size: 20 students
Sports: 13 | Extracurriculars: 23
Catholic
3 Broadwater Ave
Billings, MT 59101
(406) 867-8043
Lustre Christian High School Photo
#6(°Õ6–T7)Lustre Christian High School
Gr: 9-12 | 32 students
Mennonite
294 Lustre Rd
Frazer, MT 59225
(406) 392-5735
Map of Hamilton Christian Academy
Gr: K-12 | 89 students
Assembly of God
601 W Main St
Hamilton, MT 59840
(406) 363-4534
Treasure State Academy Photo
Gr: PK-12 | 56 students
Avg. class size: 10 students
Sports: 3 | Extracurriculars: 2
Alternative School (Baptist)
100 46th Street N
Great Falls, MT 59405
(406) 727-5133
Valley Christian School Photo
Gr: PK-12 | 357 students
Avg. class size: 15 students
Sports: 5 | Extracurriculars: 7
2526 Sunset Lane
Missoula, MT 59804
(406) 549-0482
(2)
Stillwater Christian School Photo
Gr: PK-12 | 460 students
Avg. class size: 20 students
Sports: 6 | Extracurriculars: 4
Christian
255 FFA Dr
Kalispell, MT 59901
(406) 752-4400
Billings Christian School Photo
Gr: PK-12 | 400 students
Avg. class size: 18 students
Sports: 5 | Extracurriculars: 8
Christian
4519 Grand Ave
Billings, MT 59106
(406) 656-9484
(1)
Map of Heritage Christian School
Gr: PK-12 | 252 students
Avg. class size: 17 students
Sports: 5 | Extracurriculars: 5
Christian
4310 Durston Road
Bozeman, MT 59718
(406) 587-9311
(2)
Mission Valley Christian Academy Photo
#14(°Õ14–T15)Mission Valley Christian Academy
Gr: PK-12 | 148 students
Avg. class size: 12 students
Sports: 4
Christian
38907 WWJD Lane
Polson, MT 59860
(406) 883-0706
(1)
Map of New Day
#14(°Õ14–T15)New Day
Gr: 4-12 | 46 students
Avg. class size: 12 students
Special Education School
1724 Lampman Dr
Billings, MT 59102
(406) 869-0772
Map of Petra Academy
Gr: PK-12 | 174 students
Sports: 4
Christian
4720 Classical Way
Bozeman, MT 59718
(406) 582-8165
Map of Foothills Community Christian High School
Gr: PK-12 | 201 students
Avg. class size: 9 students
Sports: 7 | Extracurriculars: 17
Christian
2210 5th Ave North
Great Falls, MT 59401
(406) 452-5276
Map of Kootenai Valley Christian School
#17(°Õ17–T19)Kootenai Valley Christian School
Gr: PK-12 | 107 students
Avg. class size: 13 students
Christian
1024 Montana Ave
Libby, MT 59923
(406) 293-2303
Map of St. Andrew School
#17(°Õ17–T19)St. Andrew School
Gr: K-12 | 174 students
Catholic
1900 Flowerree St.
Helena, MT 59601
(406) 449-3201
Chrysalis School Photo
Gr: 8-12 | 44 students
Avg. class size: 5 students
Sports: 2 | Extracurriculars: 18
All-girls | Special Education School
77 Trails End Rd
Eureka, MT 59917
(406) 889-5577
(1)
Great Falls Central Catholic High School Photo
Gr: 9-12 | 69 students
Avg. class size: 15 students
Sports: 10 | Extracurriculars: 5
Catholic
2800 18th Ave S
Great Falls, MT 59405
(406) 216-3344
Map of Turning Winds Academic Institute
Gr: 8-12 | 40 students
Alternative School
31733 S Fork Yaak Rd
Troy, MT 59935
(406) 295-5400
(4)
Map of Farming For The Future Academy
Gr: K-12 | 1 student
Special Education School
400 Veterans Drive
Columbia Falls, MT 59912
(406) 253-4369
Cottonwood Day School Photo
Gr: 1-12
Avg. class size: 8 students
Special Education School
10180 Cottonwood Road
Bozeman, MT 59718
(406) 586-3409
(2)
Map of Aspire High School
#25(°Õ25–T26)Aspire High School
Gr: 9-12 | 28 students
Avg. class size: 10 students
1905 W. Sussex Ave
Missoula, MT 59801
(406) 493-6886
Bozeman Field School Photo
#25(°Õ25–T26)Bozeman Field School
Gr: 9-12 | 27 students
Avg. class size: 7 students
2090 Stadium Dr
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 1971 for 2026-27.
What are the private high schools with oldest founding year in Montana?
The top ranked private high schools in Montana include Loyola Sacred Heart High School, St. Labre High School and Butte Central Catholic High School.

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