For the 2026 school year, there are 49 nonsectarian private schools in Montana. You can also find more religiously affiliated schools in Montana.
The top-ranked nonsectarian private schools in Montana include Bozeman Field School, Clark Fork School, and Intermountain.
Top-Ranked Nonsectarian 草榴社区 Schools in Montana (2026)
School
Location
Quick Facts
2090 Stadium Dr
Bozeman, MT 59715
(406) 577-2492
Bozeman, MT 59715
(406) 577-2492
Gr: 9-12 | 27 students Avg. class size: 7 students Tuition & acceptance rate listed
Clark Fork School![Clark Fork School Photo]( "Clark Fork School Photo")
Daycare / Preschool
2525 Rattlesnake Dr
Missoula, MT 59802
(406) 728-3395
Missoula, MT 59802
(406) 728-3395
Gr: PK-K | 100 students Avg. class size: 16 students Extracurrculars: 5 Tuition & acceptance rate listed
10180 Cottonwood Road
Bozeman, MT 59718
(406) 586-3409
Bozeman, MT 59718
(406) 586-3409
Gr: 1-12 Avg. class size: 8 students Tuition listed
Headwaters Academy![Headwaters Academy Photo - Water testing on the Gallatin River in Bozeman, MT.]( "Headwaters Academy Photo - Water testing on the Gallatin River in Bozeman, MT.")
Special Program Emphasis
1005 Durston Road
Bozeman, MT 59715
(406) 585-9997
Bozeman, MT 59715
(406) 585-9997
Gr: 6-8 | 79 students Avg. class size: 15 students Tuition & acceptance rate listed
500 South Lamborn
Helena, MT 59601
(406) 457-4778
Helena, MT 59601
(406) 457-4778
Gr: 4-8 | 16 students Avg. class size: 10 students Sports: 3 Tuition & acceptance rate listed
Missoula International School![Missoula International School Photo - Our new school is located in the heart of Missoula with beautiful mountain views on all sides. Walking distance to the Clark Fork River and downtown]( "Missoula International School Photo - Our new school is located in the heart of Missoula with beautiful mountain views on all sides. Walking distance to the Clark Fork River and downtown")
Special Program Emphasis
808 South Third Street West
Missoula, MT 59801
(406) 542-9924
Missoula, MT 59801
(406) 542-9924
Gr: PK-8 | 199 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 7 Tuition & acceptance rate listed
Nelson Academy Of Agricultural Sciences Online
Vocational/Technical School
306 1st Ave W
Scobey, MT 59263
(406) 783-8552
Scobey, MT 59263
(406) 783-8552
Gr: 7-12 | 193 students
1905 W. Sussex Ave
Missoula, MT 59801
(406) 493-6886
Missoula, MT 59801
(406) 493-6886
Gr: 9-12 | 28 students Avg. class size: 10 students Tuition & acceptance rate listed
Big Sky Discovery School
Montessori School
175 Aspen Leaf Dr
Big Sky, MT 59716
(406) 580-9982
Big Sky, MT 59716
(406) 580-9982
Gr: PK-12 | 59 students
Billings Montessori School
Montessori School
2316 Rehberg Lane
Billings, MT 59102
(406) 652-1112
Billings, MT 59102
(406) 652-1112
Gr: PK-K | 55 students
Bozeman Summit Schoool
Montessori School
3001 W Villard Street
Bozeman, MT 59718
(406) 585-3778
Bozeman, MT 59718
(406) 585-3778
Gr: PK-5 | 63 students Avg. class size: 20 students Tuition listed