草榴社区

Tlc Montessori Photo - Science

Best Sammamish 草榴社区 Schools (2026)

For the 2026 school year, there are 10 private schools serving 2,505 students in Sammamish, WA (there are , serving 11,959 public students). 17% of all K-12 students in Sammamish, WA are educated in private schools (compared to the WA state average of 10%).
The top-ranked private schools in Sammamish, WA include Eastside Catholic High School and Eastside Catholic School.
The average acceptance rate is 99%, which is higher than the Washington private school average acceptance rate of 82%.
30% of private schools in Sammamish, WA are religiously affiliated (most commonly Catholic and Other).

Top-Ranked Sammamish 草榴社区 Schools (2026)

School
Location
Quick Facts
Eastside Catholic School
Eastside Catholic School Photo - The Eastside Catholic School campus is situated on 50 acres on Sammamish plateau and surrounded by protected wetlands and forest.
(Catholic)
(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)
232 228th Ave Se
Sammamish, WA 98074
(425) 295-3024
Gr: 6-12 | 862 students
Arbor Schools
Montessori School
(3)
1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053
Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6
Aster Montessori
Aster Montessori Photo
Montessori School
(6)
2825 244th AVE SE
Sammamish, WA 98075
(425) 270-3226
Gr: PK-K | 50 students Avg. class size: 20 students Sports: 1
711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600
Gr: 6-12 | 17 students Tuition listed
Lakeside Montessori School
Montessori School
3310 E Lake Sammamish Pkwy Se Ste C1
Sammamish, WA 98075
(425) 392-0100
Gr: PK-K | 162 students Avg. class size: 20 students Tuition listed
2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545
Gr: 6-12 | 176 students Tuition listed
Sammamish Childrens School
Daycare / Preschool
(1)
207 228th Ave Se
Sammamish, WA 98074
(425) 313-9000
Gr: PK-K | 104 students Avg. class size: 10 students
Sammamish KinderCare
Sammamish KinderCare Photo - Sammamish KinderCare
Daycare / Preschool
22931 NE 4th St.
Sammamish, WA 98074
(425) 837-5340
Gr: NS-PK
Tlc Montessori
Tlc Montessori Photo - Science
Montessori School
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
10 Schools

Student Body:

# Students
2,505 Students
120,503 Students
% Average Students of Color
27%
31%

Academics and Faculty:

# Teachers
215 Teachers
9,946 Teachers
Average Student-Teacher Ratio
12:1
12:1
% Average Faculty w/Advanced Degree
60%
58%
Average Class Size
18 students
16 students
Average Number of AP Courses
24 courses
10 courses
Average SAT score
1308
(Out of 1600)
1260

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$12,793
$15,552
Average Summer Program Cost
$450
$802
Average % on Financial Aid
29%
29%
Average Financial Aid Grant
$16,809
$8,921
Average Acceptance Rate
99%
82%

Students by Ethnicity:

0.59
0.64
# American Indian Students
10 Students
1,235 Students
% American Indian Students
n/a
1%
# Asian Students
181 Students
9,056 Students
% Asian Students
7%
8%
# Hispanic Students
90 Students
6,317 Students
% Hispanic Students
4%
5%
# Black Students
65 Students
3,831 Students
% Black Students
3%
3%
# White Students
1,410 Students
59,326 Students
% White Students
56%
50%
# Hawaiian Students
11 Students
658 Students
% Hawaiian Students
1%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
732 Students
38,568 Students
% of Others Students
29%
32%
All Ethnic Groups

Extracurriculars and Sports:

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 top-ranked 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 31%.
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?

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