Riverstone International School Photo - Riverstone International School is the premier, IB day/boarding school in Boise for Preschool-Gr 12 students. The school's 14 acre campus is nestled between the Boise River and the Greenbelt in Southeast Boise.

Best Idaho Private Schools Belonging to Northwest Association of Accredited Schools (2025)

For the 2025 school year, there are 9 private schools belonging to Northwest Association of Accredited Schools serving 3,109 students in Idaho. You can also find more schools membership associations in Idaho.
The top ranked private schools belonging to Northwest Association of Accredited Schools in Idaho include Riverstone International School, Cole Valley Christian High School, and Bishop Kelly High School.
The average acceptance rate is 91%, which is higher than the Idaho private school average acceptance rate of 87%.
67% of private schools belonging to Northwest Association of Accredited Schools in Idaho are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Top Ranked Private Schools Belonging to Northwest Association of Accredited Schools in Idaho (2025)

School
Location
Grades
Students
Cole Valley Christian High School
Cole Valley Christian High School Photo
(Christian)
(8)
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Grades: NS-12
| 1,452 students
5521 E Warm Springs Ave
Boise, ID 83716
(208) 424-5000
Grades: PK-12
| 416 students
Beacon Christian School
(Seventh Day Adventist)
615 Stewart Ave
Lewiston, ID 83501
(208) 743-8361
Grades: K-10
| 35 students
Bishop Kelly High School
Bishop Kelly High School Photo
(Catholic)
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Grades: 9-12
| 945 students
Cornerstone Christian Academy
(Christian)
(1)
810 N. Chase Rd
Post Falls, ID 83854
(208) 773-5200
Grades: PK-7
| 200 students
Hope Lutheran School
(Lutheran Church Missouri Synod)
(1)
2071 12th Street
Idaho Falls, ID 83404
(208) 529-8080
Grades: PK-6
| 65 students
The North Fork School
The North Fork School Photo - Hard work. Hard statistics. Open doors.
Special Program Emphasis
812 Reedy Lane
Mccall, ID 83638
(208) 634-4024
Grades: 5-11
| 6 students
Sandpoint Junior Academy
(Seventh Day Adventist)
2255 Pine Street
Sandpoint, ID 83864
(208) 263-3584
Grades: 1-8
| 31 students
1480 S 500 W
Driggs, ID 83422
(208) 354-7898
Grades: PK-8
| 74 students

Recent Articles

What's Being Taught?
What's Being Taught?
This article examines the academic offerings in American private high schools, discussing graduation requirements, college preparation, accreditation, and advanced programs like AP and IB. It emphasizes the importance of understanding a school's curriculum when choosing the right educational environment for a child.
Waldorf Schools
Waldorf Schools
Waldorf schools offer a well thought out approach to K-12 education.
The End of Teacher Tenure As We Know It?
The End of Teacher Tenure As We Know It?
Teacher tenure in our public schools is under attack. Will tenure as we know it survive? Some thoughts here.