Cottonwood Day School Photo

Best Montana Nonsectarian Private High Schools (2026)

For the 2026 school year, there are 19 nonsectarian private high schools in Montana. You can also find more religiously affiliated schools in Montana.
The top-ranked nonsectarian private high schools in Montana include Nelson Academy Of Agricultural Sciences Online, Cottonwood Day School, and Bozeman Field School.

Top-Ranked Nonsectarian Private High Schools in Montana (2026)

School
Location
Quick Facts
Bozeman Field School
Bozeman Field School Photo
2090 Stadium Dr
Bozeman, MT 59715
(406) 577-2492
Gr: 9-12 | 27 students Avg. class size: 7 students Tuition & acceptance rate listed
Cottonwood Day School
Cottonwood Day School Photo - Interior of New Facility.
Special Education School
(2)
10180 Cottonwood Road
Bozeman, MT 59718
(406) 586-3409
Gr: 1-12 Avg. class size: 8 students Tuition listed
Nelson Academy Of Agricultural Sciences Online
Vocational/Technical School
306 1st Ave W
Scobey, MT 59263
(406) 783-8552
Gr: 7-12 | 193 students
Aspire High School
1905 W. Sussex Ave
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
Gr: PK-12 | 59 students
3700 S Russell St
Missoula, MT 59801
(406) 542-3334
Gr: K-12 | 133 students
Building Bridges Academy
All-boys
Po Box 1310
Thompson Falls, MT 59873
(406) 241-5857
Gr: 9-11 | 6 students
Chrysalis School
Chrysalis School Photo - Chrysalis School is located on 67 acres in scenic Montana. Our easy access to nature allows us to have spur-of-the-moment field trips for science or provide each student with that connection with nature as she reads Walden.
All-girls | Special Education School
(1)
77 Trails End Rd
Eureka, MT 59917
(406) 889-5577
Gr: 8-12 | 44 students Avg. class size: 5 students Sports: 2 | Extracurrculars: 18 Tuition listed
Farming For The Future Academy
Special Education School
400 Veterans Drive
Columbia Falls, MT 59912
(406) 253-4369
Gr: K-12 | 1 student
Montana Academy
Alternative School
9705 Lost Prairie Rd
Marion, MT 59925
(406) 858-2339
Gr: 9-12 | 10 students Avg. class size: 12 students
New Day
Special Education School
1724 Lampman Dr
Billings, MT 59102
(406) 869-0772
Gr: 4-12 | 46 students Avg. class size: 12 students
New Day School
Alternative School
Po Box 30282
Billings, MT 59107
(406) 254-2340
Gr: 5-12 | 51 students
204 Two Mile Dr
Kalispell, MT 59901
(406) 755-0490
Gr: 3-9 | 8 students
105 Blue Crest Dr
Kalispell, MT 59901
(406) 755-6239
Gr: 3-9 | 7 students
Shodair Children's Hospital
Alternative School
2755 Colonial Dr
Helena, MT 59601
(406) 444-7564
Gr: K-12 | 45 students Tuition listed
Summit Preparatory School
Alternative School
1605 Danielson Rd
Kalispell, MT 59901
(406) 758-8100
Gr: 9-12 | 34 students
Turning Winds Academic Institute
Alternative School
(4)
31733 S Fork Yaak Rd
Troy, MT 59935
(406) 295-5400
Gr: 8-12 | 40 students Tuition & acceptance rate listed
Two Eagle River School
(1)
58020 US-93
Pablo, MT 59855
(406) 675-0292
Gr: 7-12 | 146 students
Yellowstone Academy
Special Education School
1750 Ray Of Hope Ln
Billings, MT 59106
(406) 656-2198
Gr: 9-12 | 70 students

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