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.

Most Selective Private High Schools in Idaho

The average private high school acceptance rate in Idaho is 85% per year (2025-26).
The most selective school in Idaho is Sun Valley Community School, with an acceptance rate of 45%.
Acceptance Rate Range: 45% 98% Avg. Acceptance Rate: 85%

Most Selective Private High Schools in Idaho (2025-26)

School
Acceptance Rate
Grades
Location
Rank: #11.
Acceptance Rate: 45%
Grades: PK-12
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
Rank: #22.
Acton Academy Twin Falls
Acton Academy Twin Falls Photo
Montessori School
Acceptance Rate: 60%
Grades: NS-10
1830 Addison Ave E
Twin Falls, ID 83301
(208) 420-9520
Rank: #33.
Acceptance Rate: 80%
Grades: PK-12
5521 E Warm Springs Ave
Boise, ID 83716
(208) 424-5000
Rank: #44.
The Ambrose School
The Ambrose School Photo
(Christian)
(3)
Acceptance Rate: 81%
Grades: PK-12
6100 N. Locust Grove Rd.
Meridian, ID 83646
(208) 323-3888
Rank: #5 - 65. - 6.
Acceptance Rate: 85%
Grades: PK-12
3639 W Prairie Ave
Hayden, ID 83835
(208) 772-7542
Rank: #5 - 65. - 6.
Nampa Christian Schools
Nampa Christian Schools Photo - The class of 2016 celebrates commencement. 100% of these students when onto higher education. They have blessed our school beyond measure and will be missed.
(Christian)
Acceptance Rate: 85%
Grades: NS-12
11920 W. Flamingo Avenue
Nampa, ID 83651
(208) 475-1697
Rank: #7 - 117. - 11.
Classical Christian Academy
Classical Christian Academy Photo - Classical Christian Academy students on the 1st day of school.
Special Program Emphasis (Christian)
Acceptance Rate: 90%
Grades: PK-12
4810 N. Ramsey Road
Coeur D Alene, ID 83815
(208) 777-4400
Rank: #7 - 117. - 11.
Cole Valley Christian High School
Cole Valley Christian High School Photo
(Christian)
(8)
Acceptance Rate: 90%
Grades: NS-12
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Rank: #7 - 117. - 11.
Foothills School of Arts & Sciences
Foothills School of Arts & Sciences Photo - Foothills students become capable and confident learners during their time at Foothills! Foothills allows students to share their voice, empowers them to become critical thinkers and open-minded listeners, and promotes a positive school culture where everyone is valued.
Special Program Emphasis
Acceptance Rate: 90%
Grades: PK-9
601 South 9th Street
Boise, ID 83702
(208) 331-9260
Rank: #7 - 117. - 11.
North Idaho Christian School
North Idaho Christian School Photo - Girls Varsity Basketball Champions 2024
Alternative School
Acceptance Rate: 90%
Grades: K-12
251 W Miles Ave
Hayden, ID 83835
(208) 772-7546
Rank: #7 - 117. - 11.
Silver Valley Christian Academy
(Christian)
Acceptance Rate: 90%
Grades: PK-12
514 West Brown Avenue
Kellogg, ID 83837
(208) 783-3791
Rank: #12 - 1312. - 13.
Greenleaf Friends Academy
Greenleaf Friends Academy Photo - .......a place to belong and be known
(Friends)
Acceptance Rate: 95%
Grades: PK-12
20565 Academy Rd
Greenleaf, ID 83626
(208) 459-6346
Rank: #12 - 1312. - 13.
The North Fork School
The North Fork School Photo - Hard work. Hard statistics. Open doors.
Special Program Emphasis
Acceptance Rate: 95%
Grades: 3-12
812 Reedy Lane
Mccall, ID 83638
(208) 630-4028
Rank: #1414.
Bishop Kelly High School
Bishop Kelly High School Photo
(Catholic)
Acceptance Rate: 96%
Grades: 9-12
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Rank: #1515.
Northwest Childrens Home Education Center
Special Education School
Acceptance Rate: 98%
Grades: 1-12
602 13th St
Lewiston, ID 83501
(208) 746-8206

Frequently Asked Questions

What is the Idaho average private high schools acceptance rate?
The Idaho average private high schools acceptance rate is 85% for 2025-26.
What are the most selective private high schools in Idaho?
The top-ranked private high schools in Idaho include Sun Valley Community School, Acton Academy Twin Falls and Riverstone International School.

Recent Articles

Comparing Day, Boarding & Hybrid Private Schools in 2026
Comparing Day, Boarding & Hybrid Private Schools in 2026
Explore how day, boarding, and hybrid private schools compare in 2026 to find the best fit for your child’s academics, lifestyle, and goals.
Scholarships and Financial Aid Options for 2026 Entry
Scholarships and Financial Aid Options for 2026 Entry
A complete guide to scholarships, bursaries, and financial aid for 2026 entry, including eligibility, timelines, and expert advice.
Private School Jobs in 2025: Trends, Salaries and Career Insights
Private School Jobs in 2025: Trends, Salaries and Career Insights
Explore private school jobs in 2025 with updated hiring trends, salary data, demand areas and career guidance for educators and policymakers.