For the 2025-26 school year, there are 15 private schools belonging to Association of Christian Schools International (ACSI) serving 5,072 students in Idaho. You can also find more schools membership associations in Idaho.
The top ranked private schools belonging to Association of Christian Schools International (ACSI) in Idaho include Cole Valley Christian High School, Nampa Christian Schools, and Heritage Christian Academy of North Idaho, Inc..
The average acceptance rate is 85%, which is lower than the Idaho private school average acceptance rate of 87%.
Top Ranked Private Schools Belonging to Association of Christian Schools International (ACSI) in Idaho (2025-26)
School
Location
Quick Facts
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Meridian, ID 83642
(208) 947-1212
Gr: NS-12 | 1,452 student Avg. class size: 24 students Sports: 14 | Extracurrculars: 12 Tuition & acceptance rate listed
32168 N. 5th Ave.
Spirit Lake, ID 83869
(208) 623-4446
Spirit Lake, ID 83869
(208) 623-4446
Gr: 1-6 | 19 students Avg. class size: 4 students Tuition & acceptance rate listed
Calvary Christian School
(Christian)
111 Auto Drive
Boise, ID 83709
(208) 376-0260
Boise, ID 83709
(208) 376-0260
Gr: PK-7 | 228 students Avg. class size: 18 students Tuition & acceptance rate listed
1866 N Cecil Rd Bldg 2
Post Falls, ID 83854
(208) 691-0712
Post Falls, ID 83854
(208) 691-0712
Gr: PK-12 | 501 students
Lighthouse Christian School
(Christian)
960 Eastland Dr
Twin Falls, ID 83301
(208) 737-1425
Twin Falls, ID 83301
(208) 737-1425
Gr: PK-12 | 391 students Avg. class size: 20 students Sports: 8 Tuition listed
Logan Christian Academy
Alternative School (Christian)
219 N Roosevelt St
Boise, ID 83706
(208) 912-2783
Boise, ID 83706
(208) 912-2783
Gr: K-7 | 7 students Avg. class size: 13 students 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.]( "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
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
North Idaho Christian School![North Idaho Christian School Photo - Girls Varsity Basketball Champions 2024]( "North Idaho Christian School Photo - Girls Varsity Basketball Champions 2024")
Alternative School
251 W Miles Ave
Hayden, ID 83835
(208) 772-7546
Hayden, ID 83835
(208) 772-7546
Gr: K-12 | 223 students Avg. class size: 23 students Sports: 3 | Extracurrculars: 5 Tuition & acceptance rate listed
477954 Highway 95
Ponderay, ID 83852
(208) 265-8624
Ponderay, ID 83852
(208) 265-8624
Gr: NS-8 | 124 students Avg. class size: 20 students Tuition & acceptance rate listed
Watersprings School![Watersprings School Photo - One of our 3rd Grade Classes]( "Watersprings School Photo - One of our 3rd Grade Classes")
(Christian)
4250 South 25th East
Idaho Falls, ID 83404
(208) 542-6250
Idaho Falls, ID 83404
(208) 542-6250
Gr: PK-12 | 472 students Avg. class size: 16 students Sports: 6 Tuition listed
Cole Valley Christian Middle School
(Christian)
8775 Ustick Road
Boise, ID 83704
(208) 344-9862
Boise, ID 83704
(208) 344-9862
Gr: 6-8 | 85 students Avg. class size: 15 students Tuition listed
Cornerstone Christian School
(Christian)
4073 Fairway Dr
Lewiston, ID 83501
(208) 798-7149
Lewiston, ID 83501
(208) 798-7149
Gr: K-8 | 103 students
754 Silver Birch Ln
Oldtown, ID 83822
(208) 437-2184
Oldtown, ID 83822
(208) 437-2184
Gr: PK-12 | 195 students
Silver Valley Christian Academy
(Christian)
514 West Brown Avenue
Kellogg, ID 83837
(208) 783-3791
Kellogg, ID 83837
(208) 783-3791
Gr: PK-12 | 39 students Avg. class size: 12 students Tuition & acceptance rate listed
5350 N 4th Street
Coeur D Alene, ID 83815
(208) 765-8238
Coeur D Alene, ID 83815
(208) 765-8238
Gr: NS-6 | 180 students Avg. class size: 15 students Acceptance rate listed
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.
