For the 2026 school year, there are 3 private schools serving 617 students in Blaine County, ID (there are 9 public schools, serving 3,343 public students). 16% of all K-12 students in Blaine County, ID are educated in private schools (compared to the ID state average of 7%).
The top-ranked private school in Blaine County, ID is Sun Valley Community School.
The average acceptance rate is 45%, which is lower than the Idaho private school average acceptance rate of 87%.
Top-Ranked Blaine County Private Schools (2026)
School
Location
Quick Facts
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Gr: PK-12 | 446 students Avg. class size: 15 students Sports: 21 | Extracurrculars: 11 Tuition & acceptance rate listed
Pioneer Montessori School
Montessori School
211 Second Ave N
Ketchum, ID 83340
(208) 726-9060
Ketchum, ID 83340
(208) 726-9060
Gr: PK-6 | 88 students
The Sage School
Alternative School
1451 Aviation Dr
Hailey, ID 83333
(208) 788-0120
Hailey, ID 83333
(208) 788-0120
Gr: 6-12 | 83 students Tuition listed
Overview
This County (Blaine County)
This State (ID)
# Schools
3 Schools
Student Body:
# Students
617 Students
21,971 Students
% Average Students of Color
6%
15%
Academics and Faculty:
# Teachers
98 Teachers
1,684 Teachers
Average Student-Teacher Ratio
6:1
13:1
% Average Faculty w/Advanced Degree
75%
57%
Average Class Size
15 students
15 students
Average SAT score
1270
(Out of 1600)
1243
Average ACT score
28
(Out of 36)
27
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$34,550
$11,288
Average Summer Program Cost
$1,000
$13,665
Average % on Financial Aid
30%
19%
Average Financial Aid Grant
$13,000
$3,626
Average Acceptance Rate
45%
87%
Average Endowment Size
$8.7 million
$45.83 million
Students by Ethnicity:
Diversity Score
0.50
0.55
# American Indian Students
n/a
92 Students
% American Indian Students
n/a
n/a
# Asian Students
6 Students
462 Students
% Asian Students
1%
2%
# Hispanic Students
21 Students
1,063 Students
% Hispanic Students
3%
5%
# Black Students
2 Students
385 Students
% Black Students
n/a
2%
# White Students
393 Students
12,996 Students
% White Students
63%
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
203 Students
6,725 Students
% of Others Students
33%
31%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
11 extracurriculars
8 extracurriculars
Average Number of Sports
21 sports
6 sports
Frequently Asked Questions
What are the top-ranked private schools in Blaine County, ID?
The top-ranked private schools in Blaine County, ID is Sun Valley Community School.
How many private schools are located in Blaine County?
3 private schools are located in Blaine County.
What percentage of students in Blaine County go to private school?
16% of all K-12 students in Blaine County are educated in private schools (compared to the ID state average of 7%).
Which private schools in Blaine County are often viewed compared to one another?
Popular comparisons of private schools in Blaine County include: The Sage School vs. Sun Valley Community School, Sun Valley Community School vs. The Sage School
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.