糖心原创

Tlc Montessori Photo - Science

Best Sammamish Private Elementary Schools (2026)

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

Top-Ranked Sammamish Private Elementary 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
711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600
Gr: 6-12 | 17 students Tuition listed
2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545
Gr: 6-12 | 176 students Tuition listed
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
6 Schools

Student Body:

# Students
2,189 Students
101,730 Students
% Average Students of Color
23%
31%

Academics and Faculty:

# Teachers
198 Teachers
8,538 Teachers
Average Student-Teacher Ratio
11:1
12:1
% Average Faculty w/Advanced Degree
60%
58%
Average Class Size
20 students
16 students
Average Number of AP Courses
24 courses
10 courses
Average SAT score
1308
(Out of 1600)
1280

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$12,793
$15,426
Average Summer Program Cost
$450
$698
Average % on Financial Aid
29%
27%
Average Financial Aid Grant
$16,809
$9,864
Average Acceptance Rate
99%
81%

Students by Ethnicity:

0.56
0.64
# American Indian Students
10 Students
1,107 Students
% American Indian Students
1%
1%
# Asian Students
171 Students
7,871 Students
% Asian Students
8%
8%
# Hispanic Students
90 Students
5,483 Students
% Hispanic Students
4%
5%
# Black Students
65 Students
3,181 Students
% Black Students
3%
3%
# White Students
1,393 Students
52,042 Students
% White Students
62%
52%
# Hawaiian Students
10 Students
538 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
494 Students
30,510 Students
% of Others Students
22%
30%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
14 extracurriculars
8 extracurriculars
Average Number of Sports
19 sports
5 sports

Frequently Asked Questions

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