For the 2026 school year, there are 5 private high schools belonging to Northwest Association of Accredited Schools serving 2,802 students in Idaho. You can also find more schools membership associations in Idaho.
The top-ranked private high schools belonging to Northwest Association of Accredited Schools in Idaho include Bishop Kelly High School, The North Fork School, and Riverstone International School.
The average acceptance rate is 90%, which is higher than the Idaho private high school average acceptance rate of 85%.
60% of private high schools belonging to Northwest Association of Accredited Schools in Idaho are religiously affiliated (most commonly Seventh Day Adventist and Catholic).
Top-Ranked Private High Schools Belonging to Northwest Association of Accredited Schools in Idaho (2026)
School
Location
Quick Facts
Beacon Christian School
(Seventh Day Adventist)
615 Stewart Ave
Lewiston, ID 83501
(208) 743-8361
Lewiston, ID 83501
(208) 743-8361
Gr: K-10 | 35 students Avg. class size: 11 students Tuition listed
Bishop Kelly High School ![Bishop Kelly High School Photo Bishop Kelly High School Photo]()

(Catholic)
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Boise, ID 83709
(208) 375-6010
Gr: 9-12 | 945 students Avg. class size: 21 students Sports: 19 | Extracurrculars: 32 Tuition & acceptance rate listed
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Meridian, ID 83642
(208) 947-1212
Gr: NS-12 | 1,452 students Avg. class size: 24 students Sports: 14 | Extracurrculars: 12 Tuition & acceptance rate listed
The North Fork School ![The North Fork School Photo - Hard work. Hard statistics. Open doors. The North Fork School Photo - Hard work. Hard statistics. Open doors.]()

Special Program Emphasis
812 Reedy Lane
Mccall, ID 83638
(208) 630-4028
Mccall, ID 83638
(208) 630-4028
Gr: 3-12 | 15 students Avg. class size: 6 students Tuition & acceptance rate listed
5521 E Warm Springs Ave
Boise, ID 83716
(208) 424-5000
Boise, ID 83716
(208) 424-5000
Gr: PK-12 | 355 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 21 Tuition & acceptance rate listed
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