Boise Girls Academy: Teen Challenge PNW Photo

Best Canyon County Private High Schools (2025-26)

For the 2025-26 school year, there are 7 private high schools serving 1,797 students in Canyon County, ID.
The top ranked private high schools in Canyon County, ID include Greenleaf Friends Academy, Nampa Christian Schools, and Centennial Baptist School.
The average acceptance rate is 90%, which is higher than the Idaho private high school average acceptance rate of 85%.
86% of private high schools in Canyon County, ID are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Top Ranked Canyon County Private High Schools (2025-26)

School
Location
Quick Facts
Centennial Baptist School
(Christian)
3610 E. Ustick Rd
Caldwell, ID 83605
(208) 454-1997
Gr: NS-12 | 240 students Avg. class size: 15 students Sports: 5 Tuition listed
Gem State Adventist Academy
(Seventh Day Adventist)
16115 S Montana Ave
Caldwell, ID 83607
(208) 459-1627
Gr: 9-12 | 60 students Avg. class size: 15 students
Greenleaf Friends Academy
Greenleaf Friends Academy Photo - .......a place to belong and be known
(Friends)
20565 Academy Rd
Greenleaf, ID 83626
(208) 459-6346
Gr: PK-12 | 307 students Avg. class size: 10 students Sports: 6 | Extracurrculars: 4 Tuition & acceptance rate listed
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)
11920 W. Flamingo Avenue
Nampa, ID 83651
(208) 475-1697
Gr: NS-12 | 1,053 student Avg. class size: 25 students Sports: 15 | Extracurrculars: 2 Tuition & acceptance rate listed
Boise Girls Academy: Teen Challenge PNW
Boise Girls Academy: Teen Challenge PNW Photo
All-girls (Christian)
(2)
1723 S. Horton St
Caldwell, ID 83605
(208) 546-0832
Gr: 7-12 | 29 students Sports: 3 Tuition listed
Calvary Christian School
Calvary Christian School Photo - Coach giving direction
(Christian)
1210 N Middleton Rd
Nampa, ID 83651
(208) 467-9114
Gr: K-11 | 81 students Avg. class size: 15 students Sports: 3 Tuition listed
Original Gangster's Academy
Alternative School
341 Creekside Place
Nampa, ID 83686
(208) 880-5655
Gr: 9-12 | 27 students

Frequently Asked Questions

What are the top ranked private high schools in Canyon County, ID?
The top ranked private high schools in Canyon County, ID include Greenleaf Friends Academy, Nampa Christian Schools, and Centennial Baptist School.
How many private high schools are located in Canyon County?
7 private high schools are located in Canyon County.
How diverse are private high schools in Canyon County?
Canyon County private high schools are approximately 18% minority students, which is higher than the Idaho private school average of 12%.
What percentage of private high schools are religiously affiliated in Canyon County?
86% of private high schools in Canyon County are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Which private high schools in Canyon County are often viewed compared to one another?

Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.