Sammamish, WA 草榴社区 School Trends (10-Year)

草榴社区 Schools

+66.7% (+4 schools) 10-yr

2,505

Students

+490.8% (+2,081 students) 10-yr

$12,793

Avg. Tuition

-32.7% (-$6,202) 10-yr

Avg. Class Size

-10.0% (-2 students) 10-yr

27%

Students of Color

12:1

Student-Teacher Ratio

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Enrollment & Diversity

Category

This Town (Sammamish)

This State (WA)

# Schools

10 Schools

788 Schools

View Data

Trends in Total Number of 草榴社区 Schools
Year	Sammamish, WA Total Schools
2025	10
2024	10
2023	9
2022	8
2021	8
2020	8
2019	8
2018	7
2017	7
2016	6
2015	6

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# Students

2,505 Students

119,893 Students

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Trends in the Average Number of Students Per 草榴社区 School
Year	Sammamish, WA Avg	Washington (WA)	National
2025	278	172	179
2024	278	170	172
2023	312	163	174
2022	231	157	185
2021	231	157	180
2020	239	151	171
2019	198	152	175
2018	228	150	172
2017	108	151	180
2016	115	148	178
2015	106	144	167

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% Students of Color

27%

32%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	27%	31%	34%
2024	27%	29%	34%
2023	33%	32%	33%
2022	31%	29%	33%
2021	31%	28%	32%
2020	23%	27%	32%
2019	35%	27%	31%
2018	24%	26%	31%
2017	27%	30%	32%
2016	27%	29%	32%
2015	27%	28%	32%

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0.59

0.64

View Data

Diversity Score Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	0.59	0.64	0.65
2024	0.59	0.64	0.65
2023	0.59	0.64	0.65
2022	0.59	0.62	0.64
2021	0.59	0.63	0.64
2020	0.59	0.63	0.64
2019	0.52	0.61	0.63
2018	0.52	0.62	0.63
2017	0.56	0.61	0.61
2016	0.56	0.60	0.61
2015	0.55	0.60	0.61

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Show more data/charts: racial breakdown

# American Indian Students

10 Students

1,228 Students

% American Indian Students

n/a

View Data

Percentage of 草榴社区 School Students of American Indian Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2019	2%	2%	1%
2018	2%	2%	2%
2017	2%	2%	1%
2016	2%	2%	1%
2015	2%	2%	1%

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# Asian Students

181 Students

9,040 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	8%	8%	5%
2024	8%	8%	5%
2023	7%	8%	5%
2022	6%	7%	4%
2021	6%	7%	4%
2020	6%	7%	4%
2019	5%	6%	4%
2018	5%	6%	4%
2017	3%	6%	4%
2016	4%	6%	4%
2015	4%	6%	4%

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# Hispanic Students

90 Students

6,307 Students

% Hispanic Students

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Hispanic Student Percentage Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	4%	5%	9%
2024	4%	5%	9%
2023	4%	5%	9%
2022	3%	5%	8%
2021	3%	5%	9%
2020	3%	5%	9%
2019	3%	5%	8%
2018	3%	5%	8%
2017	3%	5%	8%
2016	3%	5%	8%
2015	3%	5%	8%

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# Black Students

65 Students

3,815 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	3%	3%	7%
2024	3%	3%	7%
2023	3%	3%	8%
2022	1%	3%	7%
2021	1%	3%	7%
2020	1%	3%	8%
2019	1%	3%	7%
2018	1%	3%	7%
2017	1%	3%	7%
2016	1%	3%	7%
2015	1%	3%	8%

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# White Students

1,410 Students

59,141 Students

% White Students

56%

50%

View Data

White Student Percentage Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	56%	50%	52%
2024	56%	50%	52%
2023	57%	51%	52%
2022	52%	53%	54%
2021	52%	53%	54%
2020	50%	53%	54%
2019	65%	55%	56%
2018	65%	55%	56%
2017	58%	56%	58%
2016	58%	56%	58%
2015	61%	57%	58%

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# Hawaiian Students

11 Students

651 Students

% Hawaiian Students

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

732 Students

38,328 Students

% of Others Students

29%

32%

View Data

Other Races Student Percentage Trends
Year	Sammamish, WA Avg	Washington (WA)	National
2025	29%	32%	26%
2024	29%	32%	26%
2023	29%	31%	25%
2022	37%	30%	25%
2021	37%	30%	25%
2020	39%	29%	24%
2019	23%	29%	24%
2018	23%	29%	23%
2017	33%	28%	22%
2016	32%	28%	22%
2015	29%	27%	21%

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All Ethnic Groups

Academics

# Teachers

215 Teachers

10,039 Teachers

Average Student-Teacher Ratio

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	12:1	12:1	11:1
2024	11:1	12:1	11:1
2023	10:1	12:1	11:1
2022	10:1	12:1	11:1
2021	10:1	12:1	11:1
2020	10:1	12:1	12:1
2019	11:1	12:1	12:1
2018	12:1	12:1	12:1
2017	13:1	12:1	12:1
2016	13:1	12:1	12:1
2015	12:1	12:1	12:1

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% Average Faculty w/Advanced Degree

60%

59%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	60%	58%	55%
2024	60%	57%	54%
2023	60%	58%	54%
2022	62%	57%	54%
2021	62%	57%	54%
2020	62%	57%	54%
2019	71%	56%	53%
2018	74%	55%	53%
2017	53%	55%	53%
2016	23%	54%	52%
2015	23%	55%	52%

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Average Class Size

18 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	18	16	15
2024	20	16	15
2023	20	16	15
2022	20	15	15
2021	20	15	15
2020	20	15	15
2019	20	15	15
2018	20	15	15
2017	20	15	15
2016	21	15	15
2015	20	15	15

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Average Number of AP Courses

24 courses

11 courses

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Trends in Average Number of AP Courses Offered
Year	Sammamish, WA Avg	Washington (WA)	National
2025	24	10	13
2024	24	8	12
2023	24	9	11
2022	24	8	11
2021	24	8	11
2020	24	8	11
2019	24	8	11
2018	24	8	11
2017	21	8	10
2016	21	7	10
2015	21	7	10

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Average SAT score

1308

(Out of 1600)

1273

View Data

SAT Score Trends (2019-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	1308	1264	1233
2024	1308	1257	1230
2023	1308	1228	1228
2022	1308	1235	1229
2021	1308	1242	1229
2020	1308	1233	1226
2019	1308	1247	1226

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Tuition & Aid

Average Yearly Tuition Cost

$12,793

$15,804

View Data

Tuition Cost Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	$12,793	$15,533	$15,012
2024	$12,187	$14,062	$13,254
2023	$12,187	$13,102	$12,626
2022	$11,020	$12,138	$12,187
2021	$11,020	$11,838	$11,800
2020	$10,348	$11,300	$11,512
2019	$13,018	$10,936	$11,293
2018	$23,710	$10,668	$11,017
2017	$18,995	$10,030	$10,708
2016	$18,995	$9,472	$10,356
2015	$18,995	$9,211	$9,939

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Average Summer Program Cost

$450

$839

View Data

Summer Program Cost Trends (2019-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	$450	$810	$1,152
2024	$450	$702	$1,128
2023	$450	$1,305	$1,156
2022	$450	$757	$1,102
2021	$450	$728	$1,125
2020	$425	$774	$1,217
2019	$335	$788	$1,305

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Average % on Financial Aid

29%

28%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	29%	29%	34%
2024	29%	28%	34%
2023	29%	27%	34%
2022	29%	27%	33%
2021	29%	26%	33%
2020	29%	27%	32%
2019	29%	27%	31%
2018	71%	26%	30%
2017	30%	25%	30%
2016	30%	23%	29%
2015	30%	23%	28%

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Average Financial Aid Grant

$16,809

$8,970

View Data

Financial Aid Grant Trends (2018-2025)
Year	Sammamish, WA Avg	Washington (WA)	National
2025	$16,809	$8,921	$7,073
2024	$16,809	$8,821	$6,930
2023	$16,809	$6,927	$6,469
2022	$14,200	$6,141	$6,289
2021	$14,200	$6,073	$6,055
2020	$14,200	$5,578	$5,921
2019	$14,200	$5,841	$5,795
2018	$13,000	$5,265	$5,456

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Admissions & Athletics

Average Acceptance Rate

99%

82%

Average Number of Extracurriculars

14 extracurriculars

8 extracurriculars

Average Number of Sports

10 sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in Sammamish, WA?

The private schools in Sammamish, WA include Eastside Catholic High School and Eastside Catholic School.

How many private schools are located in Sammamish?

10 private schools are located in Sammamish.

How diverse are private schools in Sammamish?

Sammamish private schools are approximately 27% minority students, which is lower than the Washington private school average of 32%.

What percentage of students in Sammamish go to private school?

17% of all K-12 students in Sammamish are educated in private schools (compared to the WA state average of 10%).

What percentage of private schools are religiously affiliated in Sammamish?

30% of private schools in Sammamish are religiously affiliated (most commonly Catholic and Other).

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

Popular comparisons of private schools in Sammamish include: Sammamish KinderCare vs. Sammamish Childrens School, Aster Montessori vs. Arbor Schools, Sammamish Childrens School vs. Sammamish KinderCare

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草榴社区

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Sammamish 草榴社区 Schools (2026-27)

Sammamish, WA 草榴社区 School Trends (10-Year)

Trends in Total Number of 草榴社区 Schools

Trends in the Average Number of Students Per 草榴社区 School

Percentage of Students of Color Trends (2015-2025)

Diversity Score Trends

Percentage of 草榴社区 School Students of American Indian Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Student-Teacher Ratio Trends (2015-2025)

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

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

SAT Score Trends (2019-2025)

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2019-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2018-2025)

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