[+] Show Closed Private Schools in King County, Washington

Overview

Trends in Total Number of Private High Schools

Year	King County Total Schools
2025	87
2024	88
2023	84
2022	79
2021	80
2020	82
2019	77
2018	75
2017	73
2016	73
2015	71

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# Students

24,423 Students

54,028 Students

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

Trends in the Average Number of Students Per Private High School

Year	King County Average	Washington (WA) Average	National Average
2025	306	267	253
2024	299	261	245
2023	290	246	247
2022	298	234	257
2021	293	236	249
2020	273	225	235
2019	309	230	242
2018	317	234	238
2017	321	226	246
2016	316	224	241
2015	315	217	220

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% Average Students of Color

33%

30%

View Data

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

Percentage of Students of Color Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	31%	29%	32%
2024	30%	25%	31%
2023	33%	29%	31%
2022	27%	24%	30%
2021	25%	22%	30%
2020	24%	22%	29%
2019	28%	24%	29%
2018	27%	23%	28%
2017	32%	28%	30%
2016	32%	27%	30%
2015	30%	25%	30%

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Academics and Faculty:

# Teachers

2,434 Teachers

4,863 Teachers

Average Student-Teacher Ratio

10:1

11:1

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

Student-Teacher Ratio Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	10:1	11:1	10:1
2024	10:1	11:1	10:1
2023	10:1	11:1	10:1
2022	10:1	10:1	10:1
2021	10:1	11:1	10:1
2020	10:1	11:1	10:1
2019	10:1	11:1	10:1
2018	10:1	11:1	10:1
2017	10:1	11:1	10:1
2016	10:1	11:1	10:1
2015	10:1	11:1	10:1

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% Average Faculty w/Advanced Degree

69%

64%

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

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

Year	King County Average	Washington (WA) Average	National Average
2025	69%	63%	57%
2024	68%	61%	57%
2023	68%	63%	57%
2022	69%	63%	56%
2021	68%	62%	56%
2020	67%	63%	56%
2019	66%	62%	55%
2018	62%	59%	55%
2017	61%	59%	55%
2016	56%	56%	54%
2015	52%	57%	54%

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Average Class Size

12 students

14 students

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

Class Size Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	12	14	14
2024	12	14	14
2023	12	14	14
2022	11	14	14
2021	11	13	14
2020	11	13	14
2019	11	13	14
2018	12	13	14
2017	11	13	14
2016	12	13	14
2015	12	13	14

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Average Number of AP Courses

12 courses

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

Trends in Average Number of AP Courses Offered

Year	King County Average	Washington (WA) Average	National Average
2025	10	9	12
2024	10	8	12
2023	11	9	12
2022	11	8	12
2021	10	8	12
2020	10	8	12
2019	10	8	11
2018	10	8	11
2017	10	8	11
2016	10	7	11
2015	9	7	10

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Average SAT score

1302

(Out of 1600)

1274

View Data

SAT Score Trends (2017-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	1285	1263	1233
2024	1280	1256	1231
2023	1257	1232	1229
2022	1265	1239	1230
2021	1274	1246	1230
2020	1257	1238	1227
2019	1277	1247	1226
2018	1277	1241	1226
2017	1323	1255	1233

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2017-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	29	28	26
2024	29	27	26
2023	30	27	26
2022	30	27	26
2021	30	27	26
2020	29	27	26
2019	29	27	25
2018	29	27	25
2017	29	27	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$24,391

$17,441

View Data

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

Tuition Cost Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	$25,055	$16,622	$17,512
2024	$24,973	$16,449	$17,025
2023	$23,418	$15,367	$16,355
2022	$22,188	$14,714	$15,719
2021	$21,532	$14,348	$15,395
2020	$21,046	$13,921	$15,015
2019	$20,246	$13,508	$14,682
2018	$19,777	$13,131	$14,330
2017	$18,704	$12,454	$13,937
2016	$18,215	$12,205	$13,427
2015	$17,408	$11,803	$12,864

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Average Summer Program Cost

$1,245

$901

View Data

Summer Program Cost Trends (2023-2024)

Year	King County Average	Washington (WA) Average	National Average
2024	$1,526	$819	$1,498
2023	$4,612	$2,864	$1,623

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Average % on Financial Aid

31%

33%

View Data

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

Percent on Financial Aid Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	32%	34%	38%
2024	27%	31%	37%
2023	28%	31%	36%
2022	27%	30%	36%
2021	27%	30%	36%
2020	30%	32%	35%
2019	32%	32%	34%
2018	32%	33%	33%
2017	29%	31%	32%
2016	29%	29%	31%
2015	27%	28%	30%

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Average Financial Aid Grant

$15,423

$10,070

View Data

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

Financial Aid Grant Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	$15,333	$9,062	$9,714
2024	$14,677	$8,659	$9,498
2023	$11,879	$7,491	$8,890
2022	$10,385	$6,418	$8,717
2021	$9,824	$6,469	$8,472
2020	$9,180	$6,558	$8,370
2019	$10,247	$7,575	$7,924
2018	$10,175	$7,702	$7,471
2017	$9,510	$6,794	$7,202
2016	$9,246	$6,791	$6,993
2015	$7,493	$5,833	$6,822

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Average Acceptance Rate

83%

86%

View Data

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

Acceptance Rate Trends (2015-2025)

Year	King County Average	Washington (WA) Average	National Average
2025	82%	86%	81%
2024	81%	86%	81%
2023	78%	83%	81%
2022	78%	84%	81%
2021	78%	84%	81%
2020	79%	83%	81%
2019	76%	81%	81%
2018	74%	80%	80%
2017	74%	80%	81%
2016	70%	78%	80%
2015	75%	81%	81%

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Average Endowment Size

$16.78 million

$16.71 million

Students by Ethnicity:

0.62

0.60

View Data

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

Diversity Score Trends

Year	King County Average	Washington (WA) Average	National Average
2025	0.62	0.61	0.61
2024	0.61	0.61	0.60
2023	0.58	0.60	0.60
2022	0.56	0.55	0.58
2021	0.56	0.56	0.57
2020	0.56	0.55	0.57
2019	0.58	0.55	0.56
2018	0.58	0.55	0.55
2017	0.56	0.54	0.54
2016	0.55	0.53	0.54
2015	0.54	0.53	0.53

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# American Indian Students

134 Students

621 Students

% American Indian Students

View Data

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

Percentage of Private High School Students of American Indian Trends

Year	King County Average	Washington (WA) Average	National Average
2025	1%	1%	1%
2024	1%	2%	1%
2023	1%	1%	1%
2022	1%	1%	1%
2021	1%	1%	1%
2020	1%	1%	1%
2019	1%	1%	1%
2018	1%	2%	1%
2017	2%	2%	1%
2016	2%	2%	1%
2015	2%	2%	1%

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# Asian Students

2,990 Students

4,170 Students

% Asian Students

12%

View Data

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

Asian Student Percentage Trends

Year	King County Average	Washington (WA) Average	National Average
2025	12%	8%	5%
2024	12%	8%	6%
2023	14%	9%	6%
2022	11%	8%	5%
2021	11%	8%	5%
2020	11%	8%	5%
2019	10%	7%	5%
2018	10%	7%	5%
2017	9%	7%	4%
2016	9%	7%	4%
2015	9%	7%	4%

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# Hispanic Students

868 Students

2,314 Students

% Hispanic Students

View Data

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

Hispanic Student Percentage Trends

Year	King County Average	Washington (WA) Average	National Average
2025	4%	4%	9%
2024	4%	4%	9%
2023	3%	4%	8%
2022	3%	4%	8%
2021	3%	4%	8%
2020	3%	4%	8%
2019	3%	4%	8%
2018	3%	4%	8%
2017	3%	4%	7%
2016	3%	4%	8%
2015	3%	4%	8%

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# Black Students

1,005 Students

1,553 Students

% Black Students

View Data

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

Black Student Percentage Trends

Year	King County Average	Washington (WA) Average	National Average
2025	4%	3%	8%
2024	4%	3%	8%
2023	4%	3%	8%
2022	4%	3%	8%
2021	4%	3%	8%
2020	4%	3%	8%
2019	4%	3%	8%
2018	4%	3%	8%
2017	4%	3%	8%
2016	5%	3%	8%
2015	5%	3%	9%

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# White Students

13,716 Students

30,343 Students

% White Students

56%

57%

View Data

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

White Student Percentage Trends

Year	King County Average	Washington (WA) Average	National Average
2025	57%	56%	59%
2024	57%	56%	60%
2023	61%	58%	60%
2022	63%	63%	62%
2021	63%	62%	63%
2020	63%	64%	64%
2019	61%	64%	64%
2018	61%	64%	65%
2017	63%	64%	66%
2016	64%	65%	66%
2015	65%	66%	66%

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# Hawaiian Students

138 Students

237 Students

% Hawaiian Students

# Others Students

5,449 Students

13,837 Students

% of Others Students

22%

26%

View Data

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

Other Races Student Percentage Trends

Year	King County Average	Washington (WA) Average	National Average
2025	21%	28%	17%
2024	21%	27%	15%
2023	16%	25%	16%
2022	18%	21%	16%
2021	18%	22%	15%
2020	17%	20%	14%
2019	20%	21%	14%
2018	20%	20%	13%
2017	19%	20%	14%
2016	17%	19%	13%
2015	16%	18%	12%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

11 extracurriculars

Average Number of Sports

8 sports

7 sports

Frequently Asked Questions

What are the top ranked private high schools in King County, WA?

The private high schools in King County, WA include Bellevue Christian School – Clyde Hill Campus, Holy Names Academy, and Auburn Adventist Academy.

How many private high schools are located in King County?

83 private high schools are located in King County.

How much do private high schools cost in King County?

The average tuition cost is $24,391, which is higher than the Washington private school average tuition cost of $17,441.

How diverse are private high schools in King County?

King County private high schools are approximately 33% minority students, which is higher than the Washington private school average of 30%.

What percentage of private high schools are religiously affiliated in King County?

44% of private high schools in King County are religiously affiliated (most commonly Christian and Catholic).

Which private high schools in King County are often viewed compared to one another?

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