Best Sammamish �� Elementary Schools (2026)

For the 2026 school year, there are 6 private elementary schools serving 2,189 students in Sammamish, WA.

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

The average acceptance rate is 99%, which is higher than the Washington private elementary school average acceptance rate of 81%.

33% of private elementary schools in Sammamish, WA are religiously affiliated (most commonly Catholic).

Eastside Catholic School Photo - The Eastside Catholic School campus is situated on 50 acres on Sammamish plateau and surrounded by protected wetlands and forest.

Top-Ranked Sammamish �� Elementary Schools (2026)

School

Location

Quick Facts

Eastside Catholic School

(Catholic)

Add to Compare

(7)

232 228th Avenue SE
Sammamish, WA 98074
(425) 295-3000

Gr: 6-12 | 836 students Avg. class size: 19 students Sports: 19 | Extracurrculars: 22 Tuition & acceptance rate listed

Eastside Catholic High School

(Catholic)

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232 228th Ave Se
Sammamish, WA 98074
(425) 295-3024

Gr: 6-12 | 862 students

Arbor Schools

Montessori School

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(3)

1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053

Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6

Brightmont Academy - Sammamish

Add to Compare

711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600

Gr: 6-12 | 17 students Tuition listed

Pacific Learning Academy

Add to Compare

2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545

Gr: 6-12 | 176 students Tuition listed

Tlc Montessori

Montessori School

Add to Compare

21512 NE 16th Street
Sammamish, WA 98074
(425) 868-1943

Gr: PK-1 | 128 students Avg. class size: 20 students Tuition listed

Overview

This Town (Sammamish)

This State (WA)

# Schools

6 Schools

View Data

Trends in Total Number of �� Elementary Schools
Year	Sammamish, WA Total Schools
2025	6
2024	6
2023	5
2022	4
2021	4
2020	4
2019	4
2018	3
2017	3
2016	3
2015	3

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Student Body:

# Students

2,189 Students

102,000 Students

View Data

Trends in the Average Number of Students Per �� Elementary School
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	365	202	199
2024	365	198	192
2023	429	190	193
2022	318	182	205
2021	318	182	201
2020	333	175	188
2019	291	174	193
2018	382	172	190
2017	159	174	199
2016	155	172	196
2015	137	166	183

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% Average Students of Color

23%

31%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	23%	31%	33%
2024	23%	28%	32%
2023	30%	31%	32%
2022	29%	28%	32%
2021	29%	28%	31%
2020	19%	26%	31%
2019	36%	26%	31%
2018	23%	25%	30%
2017	25%	29%	31%
2016	25%	28%	31%
2015	25%	28%	31%

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Academics and Faculty:

# Teachers

198 Teachers

8,462 Teachers

Average Student-Teacher Ratio

11:1

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	11:1	12:1	11:1
2024	11:1	12:1	11:1
2023	9:1	12:1	11:1
2022	9:1	12:1	11:1
2021	9:1	12:1	11:1
2020	9:1	12:1	11:1
2019	10:1	12:1	11:1
2018	11:1	12:1	11:1
2017	11:1	12:1	11:1
2016	11:1	12:1	12:1
2015	10:1	12:1	12:1

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% Average Faculty w/Advanced Degree

60%

58%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	60%	58%	54%
2024	60%	57%	54%
2023	60%	58%	53%
2022	62%	58%	53%
2021	62%	58%	53%
2020	62%	58%	53%
2019	71%	57%	52%
2018	74%	55%	52%
2017	53%	55%	51%
2016	23%	54%	51%
2015	23%	55%	50%

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Average Class Size

20 students

16 students

View Data

Class Size Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	20	16	16
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	21	15	15
2016	21	15	15
2015	20	15	15

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Average Number of AP Courses

24 courses

9 courses

View Data

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

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Average SAT score

1308

(Out of 1600)

1275

View Data

SAT Score Trends (2019-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	1,308	1,279	1,236
2024	1,308	1,271	1,233
2023	1,308	1,233	1,231
2022	1,308	1,242	1,232
2021	1,308	1,249	1,232
2020	1,308	1,240	1,229
2019	1,308	1,250	1,230

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$12,793

$15,408

View Data

Tuition Cost Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	$12,793	$15,354	$14,043
2024	$12,187	$14,323	$12,357
2023	$12,187	$13,309	$11,693
2022	$11,020	$12,179	$11,199
2021	$11,020	$11,934	$10,824
2020	$10,348	$11,378	$10,496
2019	$13,018	$10,995	$10,300
2018	$23,710	$10,759	$10,056
2017	$18,995	$10,148	$9,712
2016	$18,995	$9,536	$9,307
2015	$18,995	$9,241	$8,903

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Average Summer Program Cost

$450

$656

View Data

Summer Program Cost Trends (2019-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	$450	$661	$1,115
2024	$450	$548	$1,094
2023	$450	$1,355	$1,136
2022	$450	$676	$1,075
2021	$450	$644	$1,028
2020	$425	$642	$1,130
2019	$335	$644	$1,199

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Average % on Financial Aid

29%

27%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	29%	27%	34%
2024	29%	26%	33%
2023	29%	26%	33%
2022	29%	26%	32%
2021	29%	25%	32%
2020	29%	26%	31%
2019	29%	25%	30%
2018	71%	25%	29%
2017	30%	25%	29%
2016	30%	23%	28%
2015	30%	22%	27%

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Average Financial Aid Grant

$16,809

$9,724

View Data

Financial Aid Grant Trends (2018-2025)
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	$16,809	$9,724	$6,227
2024	$16,809	$9,646	$6,113
2023	$16,809	$7,513	$5,785
2022	$14,200	$6,682	$5,514
2021	$14,200	$6,554	$5,269
2020	$14,200	$5,937	$5,141
2019	$14,200	$6,235	$5,007
2018	$13,000	$5,597	$4,752

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Average Acceptance Rate

99%

81%

Students by Ethnicity:

0.56

0.64

View Data

Diversity Score Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	0.56	0.64	0.64
2024	0.56	0.64	0.64
2023	0.55	0.63	0.63
2022	0.55	0.61	0.62
2021	0.55	0.62	0.62
2020	0.57	0.61	0.62
2019	0.46	0.60	0.61
2018	0.46	0.60	0.60
2017	0.50	0.59	0.59
2016	0.50	0.59	0.59
2015	0.47	0.58	0.58

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# American Indian Students

10 Students

1,114 Students

% American Indian Students

View Data

Percentage of �� Elementary School Students of American Indian Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2019	1%	2%	1%
2018	1%	2%	1%
2017	2%	2%	1%
2016	2%	2%	1%
2015	3%	2%	1%

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# Asian Students

171 Students

7,887 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	9%	8%	5%
2024	9%	8%	5%
2023	8%	8%	5%
2022	7%	7%	5%
2021	7%	7%	5%
2020	7%	7%	5%
2019	5%	6%	4%
2018	5%	6%	4%
2017	4%	6%	4%
2016	4%	6%	4%
2015	4%	6%	4%

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# Hispanic Students

90 Students

5,493 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
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	4%	5%	8%
2018	4%	5%	8%
2017	3%	5%	8%
2016	3%	5%	8%
2015	3%	5%	8%

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# Black Students

65 Students

3,197 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	3%	3%	8%
2024	3%	3%	8%
2023	3%	3%	8%
2022	1%	3%	7%
2021	1%	3%	8%
2020	1%	4%	8%
2019	2%	3%	8%
2018	2%	3%	8%
2017	1%	3%	7%
2016	1%	3%	8%
2015	1%	3%	8%

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# White Students

1,393 Students

52,227 Students

% White Students

62%

52%

View Data

White Student Percentage Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	62%	52%	55%
2024	62%	52%	55%
2023	64%	53%	55%
2022	62%	56%	57%
2021	62%	56%	57%
2020	59%	56%	58%
2019	72%	58%	59%
2018	72%	58%	59%
2017	67%	59%	61%
2016	67%	59%	61%
2015	70%	60%	61%

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# Hawaiian Students

10 Students

545 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

494 Students

30,471 Students

% of Others Students

22%

30%

View Data

Other Races Student Percentage Trends
Year	Sammamish, WA Average	Washington (WA) Average	National Average
2025	22%	30%	22%
2024	22%	30%	22%
2023	21%	29%	22%
2022	26%	27%	22%
2021	26%	27%	20%
2020	29%	26%	19%
2019	15%	26%	20%
2018	15%	26%	20%
2017	23%	25%	19%
2016	23%	25%	18%
2015	19%	24%	18%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

14 extracurriculars

7 extracurriculars

Average Number of Sports

19 sports

5 sports

Frequently Asked Questions

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

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

How many private elementary schools are located in Sammamish?

6 private elementary schools are located in Sammamish.

How diverse are private elementary schools in Sammamish?

Sammamish private elementary schools are approximately 23% minority students, which is lower than the Washington private school average of 31%.

What percentage of private elementary schools are religiously affiliated in Sammamish?

33% of private elementary schools in Sammamish are religiously affiliated (most commonly Catholic).

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

Popular comparisons of private elementary schools in Sammamish include: Tlc Montessori vs. Arbor Schools

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