For the 2025-26 school year, there are 167 private schools serving 21,975 students in Idaho (there are 808 public schools, serving 315,693 students). 7% of all K-12 students in Idaho attend private schools (compared to the national average of 10%).
The average private school tuition is $11,418 for elementary schools and $11,681 for high schools (view national tuition averages).
The top-ranked private schools in Idaho include Riverstone International School, Cole Valley Christian High School, and The Ambrose School.
The average acceptance rate is 87% (view national acceptance rates). Minority enrollment is 15% and the student-teacher ratio is 13:1.
Top Ranked Idaho Private Schools by County (2025-26)
Popular neighborhoods: Boise Bench (8 schools), West Boise (7 schools), North End (4 schools), Southeast Boise (3 schools), Downtown (2 schools).
County
# Schools
# Students
% of K-12 Students in Private Schools
Frequently Asked Questions
What are the top ranked private schools in Idaho?
The top-ranked private schools in Idaho include Riverstone International School, Cole Valley Christian High School, and The Ambrose School.
How many private schools are located in Idaho?
There are 167 private schools are located in Idaho.
How much do private schools cost in Idaho?
The average private school tuition in Idaho is $11,418 for elementary schools and $11,681 for high schools
How diverse are private schools in Idaho?
Approximately 15% of students in Idaho private schools are minority students (compared to the national percentage).
What percentage of students in Idaho go to private school?
7% of all K-12 students in Idaho attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in Idaho?
Which private schools in Idaho are often viewed compared to one another?
Popular comparisons of private schools in Idaho include: Grace Lutheran School vs. Holy Spirit Catholic School, Holy Spirit Catholic School vs. Grace Lutheran School, Alacca Christian Academy vs. Sandpoint Christian School
Recent Articles

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
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
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.