Private School Review - Established 2003

Best Blaine County Private Schools

For the 2026-27 school year, there are 3 private schools serving 594 students in Blaine County, ID (there are 9 public schools, serving 3,343 public students). 15% of all K-12 students are educated in private schools (compared to the ID state average of 6%).
The average acceptance rate is 45%, which is lower than the Idaho private school average acceptance rate of 89%.

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Blaine County Private Schools (2026-27)

Sun Valley Community School Photo
Sun Valley Community School
Gr: PK-12 | 423 students
Avg. class size: 15 students
Sports: 22 | Extracurriculars: 11
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
View Profile
Map of Pioneer Montessori School
Pioneer Montessori School
Gr: PK-6 | 88 students
Montessori School
211 Second Ave N
Ketchum, ID 83340
(208) 726-9060
View Profile
Map of The Sage School
The Sage School
Gr: 6-12 | 83 students
Alternative School
1451 Aviation Dr
Hailey, ID 83333
(208) 788-0120
View Profile

Overview

Category
This State (ID)
US
# Schools
3 Schools

Trends in Total Number of Private Schools

YearBlaine County Total Schools
20253
20243
20233
20223
20213
20204
20194
20184
20174
20164
20154
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# Students
594 Students
21,612 Students

Trends in the Average Number of Students Per Private School

YearBlaine County AverageIdaho (ID) AverageNational Average
2025206138179
2024206134172
2023196128174
2022172128185
2021172124180
2020137111171
2019144113175
2018144112172
2017142118180
2016142116178
2015128107167
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% Average Students of Color
6%
15%

Percentage of Students of Color Trends (2015-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
20256%15%34%
20247%15%34%
20235%15%33%
20225%13%33%
20215%14%32%
20205%13%32%
20195%14%31%
20185%14%31%
20174%14%32%
20164%14%32%
20155%14%32%
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Academics and Faculty:

# Teachers
98 Teachers
1,675 Teachers
Average Student-Teacher Ratio
6:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
20256:113:111:1
20247:113:111:1
20237:113:111:1
20226:113:111:1
20216:113:111:1
20206:113:112:1
20196:112:112:1
20186:113:112:1
20176:113:112:1
20166:113:112:1
20159:113:112:1
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% Average Faculty w/Advanced Degree
80%
58%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
202575%57%55%
202463%54%54%
202363%51%54%
202263%50%54%
202163%51%54%
202063%45%54%
201963%45%53%
201863%46%53%
201763%45%53%
201657%48%52%
201557%48%52%
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Average Class Size
15 students
15 students

Class Size Trends (2017-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
2025151515
2024151515
2023151415
2022151415
2021151415
2020151415
2019151415
2018151415
2017151315
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Average SAT score
1270
(Out of 1600)
Average ACT score
28
(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$35,450
$9,130

Tuition Cost Trends (2015-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
2025$34,550$11,533$15,012
2024$39,625$8,818$13,254
2023$38,100$8,697$12,626
2022$28,000$8,375$12,187
2021$28,000$8,233$11,800
2020$28,000$8,323$11,512
2019$28,000$8,501$11,293
2018$28,000$6,089$11,017
2017$28,000$6,045$10,708
2016$22,000$5,497$10,356
2015$22,000$5,467$9,939
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Average Summer Program Cost
$1,500
$0
Average % on Financial Aid
30%
19%

Percent on Financial Aid Trends (2015-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
202530%19%34%
202426%20%34%
202326%21%34%
202226%22%33%
202126%22%33%
202026%21%32%
201926%21%31%
201826%20%30%
201726%22%30%
201627%25%29%
201527%25%28%
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Average Financial Aid Grant
$13,000
$3,626
Average Acceptance Rate
45%
89%

Acceptance Rate Trends (2017-2025)

YearBlaine County AverageIdaho (ID) AverageNational Average
202545%87%81%
202460%89%85%
202360%89%85%
202285%90%85%
202185%91%85%
202085%91%85%
201985%91%85%
201885%90%85%
201785%90%85%
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Average Endowment Size
$10 million
$ million

Students by Ethnicity:

0.49
0.55

Diversity Score Trends

YearBlaine County AverageIdaho (ID) AverageNational Average
20250.500.550.65
20240.500.550.65
20230.490.560.65
20220.380.550.64
20210.380.550.64
20200.360.520.64
20190.350.520.63
20180.350.520.63
20170.290.510.61
20160.290.500.61
20150.290.510.61
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# American Indian Students
n/a
92 Students
% American Indian Students
n/a
1%
# Asian Students
6 Students
459 Students
% Asian Students
1%
2%

Asian Student Percentage Trends

YearBlaine County AverageIdaho (ID) AverageNational Average
20252%2%5%
20242%2%5%
20231%3%5%
20221%3%4%
20211%2%4%
20201%3%4%
20191%3%4%
20181%3%4%
20172%2%4%
20162%2%4%
20151%2%4%
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# Hispanic Students
21 Students
1,063 Students
% Hispanic Students
4%
5%

Hispanic Student Percentage Trends

YearBlaine County AverageIdaho (ID) AverageNational Average
20253%5%9%
20243%5%9%
20233%4%9%
20223%4%8%
20213%4%9%
20203%4%9%
20193%5%8%
20183%5%8%
20172%4%8%
20162%4%8%
20152%4%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students
2 Students
383 Students
% Black Students
n/a
2%
# White Students
393 Students
12,965 Students
% White Students
65%
60%

White Student Percentage Trends

YearBlaine County AverageIdaho (ID) AverageNational Average
202563%60%52%
202463%60%52%
202364%57%52%
202277%59%54%
202177%59%54%
202078%64%54%
201979%64%56%
201879%64%56%
201783%65%58%
201683%66%58%
201584%65%58%
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# 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
180 Students
6,495 Students
% of Others Students
30%
30%

Other Races Student Percentage Trends

YearBlaine County AverageIdaho (ID) AverageNational Average
202532%31%26%
202432%31%26%
202332%34%25%
202219%33%25%
202119%33%25%
202018%26%24%
201917%25%24%
201817%25%23%
201713%27%22%
201613%26%22%
201513%27%21%
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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
11 extracurriculars
7 extracurriculars
Average Number of Sports
22 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?
15% of all K-12 students in Blaine County are educated in private schools (compared to the ID state average of 6%).
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

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