Washington Private School Trends (10-Year)

788

Private Schools

+1.0% (+8 schools) 10-yr

118,671

Students

+16.7% (+17,003 students) 10-yr

$15,197

Avg. Tuition

+45.1% (+$4,722) 10-yr

Avg. Class Size

32%

Students of Color

+14.3% (+4.0 pp) 10-yr

12:1

Student-Teacher Ratio

Enrollment & Diversity

Category

This State (WA)

# Schools

788 Schools

671 Schools
avg. per state

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Total Number of Private Schools
Year	Washington (WA) Total	US Avg per State
2025	782	671
2024	791	703
2023	758	665
2022	744	612
2021	758	637
2020	794	684
2019	778	665
2018	792	677
2017	751	631
2016	758	644
2015	780	683

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# Students

118,671 Students

111,506 Students
avg. per state

View Largest Washington Private Schools

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Total Number of Private School Students
Year	Washington (WA) Total	US Avg per State
2025	120,481	111,945
2024	121,699	113,628
2023	110,868	108,484
2022	104,382	104,892
2021	106,414	106,817
2020	108,233	109,411
2019	105,462	108,956
2018	107,204	109,868
2017	100,946	106,255
2016	100,224	107,443
2015	101,668	108,505

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View Data

Distribution of Students By Grade Trends
Grade	Washington
Nursery	3,038
Pre-K	18,685
Kind	11,010
1	8,205
2	7,749
3	7,922
4	7,711
5	7,706
6	7,884
7	7,621
8	7,367
9	6,244
10	5,969
11	5,393
12	5,096
Not Listed	1,071

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Average School Size

170 Students

179 Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Average School Size
Year	Washington (WA) Avg	National
2025	172	179
2024	170	172
2023	163	174
2022	157	185
2021	157	180
2020	151	171
2019	152	175
2018	150	172
2017	151	180
2016	148	178
2015	144	167

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% Average Students of Color

32%

34%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Students of Color Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	31%	34%
2024	29%	34%
2023	32%	33%
2022	29%	33%
2021	28%	32%
2020	27%	32%
2019	27%	31%
2018	26%	31%
2017	30%	32%
2016	29%	32%
2015	28%	32%

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Academics

# Teachers

10,028 Teachers

509,049 Teachers

Average Student-Teacher Ratio

12:1

11:1

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	12:1	11:1
2024	12:1	11:1
2023	12:1	11:1
2022	12:1	11:1
2021	12:1	11:1
2020	12:1	12:1
2019	12:1	12:1
2018	12:1	12:1
2017	12:1	12:1
2016	12:1	12:1
2015	12:1	12:1

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% Average Faculty w/Advanced Degree

59%

55%

View Washington Private Schools with the Most Educated Faculty

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	58%	55%
2024	57%	54%
2023	58%	54%
2022	57%	54%
2021	57%	54%
2020	57%	54%
2019	56%	53%
2018	55%	53%
2017	55%	53%
2016	54%	52%
2015	55%	52%

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Average Class Size

15 students

16 students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Class Size Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	16	15
2024	16	15
2023	16	15
2022	15	15
2021	15	15
2020	15	15
2019	15	15
2018	15	15
2017	15	15
2016	15	15
2015	15	15

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Average Number of AP Courses

11 courses

13 courses

View Washington Private Schools Offering the Most AP Courses

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Average Number of AP Courses Offered
Year	Washington (WA) Avg	National
2025	10	13
2024	8	12
2023	9	11
2022	8	11
2021	8	11
2020	8	11
2019	8	11
2018	8	11
2017	8	10
2016	7	10
2015	7	10

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Average SAT score

1274

(Out of 1600)

1235

View Average Private School SAT Scores in Washington

View Data

SAT Score Trends (2017-2025)
Year	Washington (WA) Avg	National
2025	1264	1233
2024	1257	1230
2023	1228	1228
2022	1235	1229
2021	1242	1229
2020	1233	1226
2019	1247	1226
2018	1241	1226
2017	1255	1233

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Average ACT score

(Out of 36)

View Average Private School ACT Scores in Washington

View Data

ACT Score Trends (2017-2025)
Year	Washington (WA) Avg	National
2025	29	26
2024	28	26
2023	27	26
2022	28	26
2021	28	26
2020	28	25
2019	27	25
2018	27	25
2017	27	25

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Tuition & Aid

Average Yearly Tuition Cost

$15,197

$13,769

View Washington Private Schools By Tuition Cost

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Tuition Cost Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	$15,533	$15,012
2024	$15,185	$14,622
2023	$14,169	$14,057
2022	$13,293	$13,504
2021	$12,994	$13,232
2020	$12,587	$12,915
2019	$12,231	$12,656
2018	$11,837	$12,363
2017	$11,270	$12,049
2016	$10,847	$11,633
2015	$10,475	$11,174

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Average Summer Program Cost

$846

$1,154

View Data

Summer Program Cost Trends (2018-2025)
Year	Washington (WA) Avg	National
2025	$810	$1,152
2024	$702	$1,128
2023	$1,305	$1,156
2022	$757	$1,102
2021	$728	$1,125
2020	$774	$1,217
2019	$788	$1,305
2018	$490	$1,108

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Average % on Financial Aid

28%

35%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percent on Financial Aid Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	29%	34%
2024	28%	34%
2023	27%	34%
2022	27%	33%
2021	26%	33%
2020	27%	32%
2019	27%	31%
2018	26%	30%
2017	25%	30%
2016	23%	29%
2015	23%	28%

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Average Financial Aid Grant

$9,020

$7,516

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Financial Aid Grant Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	$8,921	$7,073
2024	$8,821	$6,930
2023	$6,927	$6,469
2022	$6,141	$6,289
2021	$6,073	$6,055
2020	$5,578	$5,921
2019	$5,841	$5,795
2018	$5,265	$5,456
2017	$5,049	$5,319
2016	$5,147	$5,105
2015	$4,878	$5,030

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Average Acceptance Rate

85%

View Most Selective Private Schools in Washington

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Acceptance Rate Trends (2015-2025)
Year	Washington (WA) Avg	National
2025	82%	81%
2024	85%	85%
2023	85%	85%
2022	85%	85%
2021	85%	85%
2020	85%	85%
2019	84%	85%
2018	84%	85%
2017	84%	85%
2016	82%	85%
2015	81%	85%

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Average Endowment Size

$13.76 million

$31.45 million

View Average Private School endowment in Washington

View Data

Endowment Trends (2020-2025)
Year	Washington (WA) Avg	National
2025	$25 M	$39 M
2024	$8 M	$39 M
2023	$6 M	$39 M
2022	$7 M	$40 M
2021	$7 M	$40 M
2020	$7 M	$40 M

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Students by Ethnicity

0.64

0.65

View Washington Private Schools Minority Statistics

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Washington (WA) Avg	National
2025	0.64	0.65
2024	0.64	0.65
2023	0.64	0.65
2022	0.62	0.64
2021	0.63	0.64
2020	0.63	0.64
2019	0.61	0.63
2018	0.62	0.63
2017	0.61	0.61
2016	0.60	0.61
2015	0.60	0.61

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# American Indian Students

1,226 Students

29,812 Students

% American Indian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Private School Students of American Indian Trends
Year	Washington (WA) Avg	National
2025	1%	1%
2024	1%	1%
2023	1%	1%
2022	1%	2%
2021	1%	1%
2020	2%	1%
2019	2%	1%
2018	2%	2%
2017	2%	1%
2016	2%	1%
2015	2%	1%

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# Asian Students

9,040 Students

264,409 Students

% Asian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Washington (WA) Avg	National
2025	8%	5%
2024	8%	5%
2023	8%	5%
2022	7%	4%
2021	7%	4%
2020	7%	4%
2019	6%	4%
2018	6%	4%
2017	6%	4%
2016	6%	4%
2015	6%	4%

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# Hispanic Students

6,302 Students

506,581 Students

% Hispanic Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Washington (WA) Avg	National
2025	5%	9%
2024	5%	9%
2023	5%	9%
2022	5%	8%
2021	5%	9%
2020	5%	9%
2019	5%	8%
2018	5%	8%
2017	5%	8%
2016	5%	8%
2015	5%	8%

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# Black Students

3,815 Students

415,554 Students

% Black Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Washington (WA) Avg	National
2025	3%	7%
2024	3%	7%
2023	3%	8%
2022	3%	7%
2021	3%	7%
2020	3%	8%
2019	3%	7%
2018	3%	7%
2017	3%	7%
2016	3%	7%
2015	3%	8%

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# White Students

59,127 Students

2,927,437 Students

% White Students

50%

52%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Washington (WA) Avg	National
2025	50%	52%
2024	50%	52%
2023	51%	52%
2022	53%	54%
2021	53%	54%
2020	53%	54%
2019	55%	56%
2018	55%	56%
2017	56%	58%
2016	56%	58%
2015	57%	58%

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# Hawaiian Students

651 Students

20,065 Students

% Hawaiian Students

<1%

# Others Students

37,063 Students

1,473,136 Students

% of Others Students

32%

26%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Washington (WA) Avg	National
2025	32%	26%
2024	32%	26%
2023	31%	25%
2022	30%	25%
2021	30%	25%
2020	29%	24%
2019	29%	24%
2018	29%	23%
2017	28%	22%
2016	28%	22%
2015	27%	21%

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All Ethnic Groups

Extracurriculars & Sports

Average Number of Extracurriculars

8 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

7 sports

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Frequently Asked Questions

What are the top ranked private schools in Washington?

The top-ranked private schools in Washington include Saint George's School, BASIS Independent School of Bellevue, and Annie Wright Schools.

How many private schools are located in Washington?

There are 788 private schools are located in Washington.

How much do private schools cost in Washington?

The average private school tuition in Washington is $15,215 for elementary schools and $17,527 for high schools

How diverse are private schools in Washington?

Approximately 32% 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?

48% of private schools in Washington are religiously affiliated, with most being Christian or Catholic.

Which private schools in Washington are often viewed compared to one another?

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