For the 2026 school year, there are 786 private schools serving 120,517 students in Washington (there are 2,562 public schools, serving 1,101,913 students). 10% of all K-12 students in Washington attend private schools (compared to the national average of 10%).
The average private school tuition is $15,421 for elementary schools and $17,494 for high schools (view national tuition averages).
The top-ranked private schools in Washington include BASIS Independent Bellevue, Charles Wright Academy, and Annie Wright Schools.
The average acceptance rate is 82% (view national acceptance rates). Minority enrollment is 31% and the student-teacher ratio is 12:1.
Overview
This State (WA)
US
# Schools
786 Schools
Student Body:
# Students
120,517 Students
5,709,608 Students
% Average Students of Color
31%
34%
Student By Grade
Academics and Faculty:
# Teachers
9,946 Teachers
508,013 Teachers
Average Student-Teacher Ratio
12:1
11:1
% Average Faculty w/Advanced Degree
58%
55%
Average Class Size
16 students
15 students
Average Number of AP Courses
10 courses
13 courses
Average SAT score
1260
(Out of 1600)
1233
Average ACT score
29
(Out of 36)
26
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$15,564
$14,889
Average Summer Program Cost
$802
$1,154
Average % on Financial Aid
29%
35%
Average Financial Aid Grant
$8,921
$7,118
Average Acceptance Rate
82%
82%
Average Endowment Size
$41.61 million
$61.83 million
Students by Ethnicity:
Diversity Score
0.64
0.65
# American Indian Students
1,235 Students
30,180 Students
% American Indian Students
1%
1%
# Asian Students
9,056 Students
265,302 Students
% Asian Students
8%
5%
# Hispanic Students
6,317 Students
507,894 Students
% Hispanic Students
5%
9%
# Black Students
3,831 Students
417,176 Students
% Black Students
3%
7%
# White Students
59,326 Students
2,937,451 Students
% White Students
50%
52%
# Hawaiian Students
658 Students
22,254 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
38,579 Students
1,473,886 Students
% of Others Students
32%
26%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
8 extracurriculars
9 extracurriculars
Average Number of Sports
6 sports
7 sports
Top-Ranked Washington Private Schools by County (2026)
County
# Schools
# Students
% of K-12 Students in Private Schools
Frequently Asked Questions
What are the top-ranked private schools in Washington?
The top-ranked private schools in Washington include BASIS Independent Bellevue, Charles Wright Academy, and Annie Wright Schools.
How many private schools are located in Washington?
There are 786 private schools are located in Washington.
How much do private schools cost in Washington?
The average private school tuition in Washington is $15,421 for elementary schools and $17,494 for high schools
How diverse are private schools in Washington?
Approximately 31% of students in Washington private schools are minority students (compared to the national percentage).
What percentage of students in Washington go to private school?
10% of all K-12 students in Washington attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in Washington?
Which private schools in Washington are often viewed compared to one another?
Popular comparisons of private schools in Washington include: Creative Kids Learning Center vs. Ellensburg Christian School, Meridian KinderCare vs. La Petite Academy Gem Heights Dr, Orcas Montessori School vs. Salmonberry School
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