For the 2026 school year, there are 5 private schools serving 397 students in Caldwell, ID (there are 30 public schools, serving 14,133 public students). 3% of all K-12 students in Caldwell, ID are educated in private schools (compared to the ID state average of 7%).
The top-ranked private schools in Caldwell, ID include Centennial Baptist School and Gem State Adventist Academy.
The average acceptance rate is 90%, which is higher than the Idaho private school average acceptance rate of 87%.
100% of private schools in Caldwell, ID are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Top-Ranked Caldwell Private Schools (2026)
School
Location
Quick Facts
Centennial Baptist School
(Christian)
3610 E. Ustick Rd
Caldwell, ID 83605
(208) 454-1997
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
Caldwell, ID 83607
(208) 459-1627
Gr: 9-12 | 60 students Avg. class size: 15 students
1723 S. Horton St
Caldwell, ID 83605
(208) 546-0832
Caldwell, ID 83605
(208) 546-0832
Gr: 7-12 | 29 students Sports: 3 Tuition listed
Caldwell Adventist Elementary School
(Seventh Day Adventist)
2317 Wisconsin Ave
Caldwell, ID 83605
(208) 459-4313
Caldwell, ID 83605
(208) 459-4313
Gr: PK-8 | 44 students Avg. class size: 12 students Tuition & acceptance rate listed
Calvary Kids Learning Center
Daycare / Preschool (Christian)
911 Everett St
Caldwell, ID 83605
(208) 454-5136
Caldwell, ID 83605
(208) 454-5136
Gr: PK-K | 24 students
Overview
This Town (Caldwell)
This State (ID)
# Schools
5 Schools
Student Body:
# Students
397 Students
21,971 Students
% Average Students of Color
34%
15%
Academics and Faculty:
# Teachers
28 Teachers
1,684 Teachers
Average Student-Teacher Ratio
14:1
13:1
% Average Faculty w/Advanced Degree
4%
57%
Average Class Size
14 students
15 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$14,750
$11,288
Average Acceptance Rate
90%
87%
Students by Ethnicity:
Diversity Score
0.75
0.55
# American Indian Students
3 Students
92 Students
% American Indian Students
1%
n/a
# Asian Students
15 Students
462 Students
% Asian Students
4%
2%
# Hispanic Students
67 Students
1,063 Students
% Hispanic Students
16%
5%
# Black Students
87 Students
385 Students
% Black Students
21%
2%
# White Students
155 Students
12,996 Students
% White Students
37%
60%
# Hawaiian Students
n/a
50 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
89 Students
6,725 Students
% of Others Students
21%
31%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
4 sports
6 sports
Frequently Asked Questions
What are the top-ranked private schools in Caldwell, ID?
The top-ranked private schools in Caldwell, ID include Centennial Baptist School and Gem State Adventist Academy.
How many private schools are located in Caldwell?
5 private schools are located in Caldwell.
How diverse are private schools in Caldwell?
Caldwell private schools are approximately 34% minority students, which is higher than the Idaho private school average of 15%.
What percentage of students in Caldwell go to private school?
3% of all K-12 students in Caldwell are educated in private schools (compared to the ID state average of 7%).
What percentage of private schools are religiously affiliated in Caldwell?
100% of private schools in Caldwell are religiously affiliated (most commonly Christian and Seventh Day Adventist).
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