For the 2026 school year, there are 2 private schools serving 146 students in Grays Harbor County, WA (there are 48 public schools, serving 11,035 public students). 1% of all K-12 students in Grays Harbor County, WA are educated in private schools (compared to the WA state average of 10%).
The top-ranked private school in Grays Harbor County, WA is St. Mary School.
100% of private schools in Grays Harbor County, WA are religiously affiliated (most commonly Seventh Day Adventist and Catholic).
Top-Ranked Grays Harbor County Private Schools (2026)
School
Location
Quick Facts
518 N H Street
Aberdeen, WA 98520
(360) 532-1230
Aberdeen, WA 98520
(360) 532-1230
Gr: NS-8 | 127 students Avg. class size: 15 students Extracurrculars: 2 Tuition listed
Grays Harbor Adventist Christian School
(Seventh Day Adventist)
1216 US Highway 12
Montesano, WA 98563
(360) 249-1115
Montesano, WA 98563
(360) 249-1115
Gr: K-7 | 19 students Avg. class size: 15 students Tuition listed
Grays Harbor County Private Schools (Closed)
School
Location
Quick Facts
North Coast Montessori School (Closed 2025)
Montessori School
21 Seabrook Ave
Pacific Beach, WA 98571
(360) 580-5445
Pacific Beach, WA 98571
(360) 580-5445
Gr: 1-5 | 15 students
Overview
This County (Grays Harbor County)
This State (WA)
# Schools
2 Schools
Student Body:
# Students
146 Students
120,517 Students
% Average Students of Color
47%
31%
Academics and Faculty:
# Teachers
11 Teachers
9,946 Teachers
Average Student-Teacher Ratio
13:1
12:1
Average Class Size
15 students
16 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$6,330
$15,560
Average % on Financial Aid
80%
29%
Students by Ethnicity:
Diversity Score
0.59
0.64
# American Indian Students
4 Students
1,235 Students
% American Indian Students
3%
1%
# Asian Students
1 Student
9,056 Students
% Asian Students
1%
8%
# Hispanic Students
53 Students
6,317 Students
% Hispanic Students
35%
5%
# Black Students
3 Students
3,831 Students
% Black Students
2%
3%
# White Students
81 Students
59,326 Students
% White Students
53%
50%
# Hawaiian Students
n/a
658 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
9 Students
38,579 Students
% of Others Students
6%
32%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
2 extracurriculars
8 extracurriculars
Frequently Asked Questions
What are the top-ranked private schools in Grays Harbor County, WA?
The top-ranked private schools in Grays Harbor County, WA is St. Mary School.
How many private schools are located in Grays Harbor County?
2 private schools are located in Grays Harbor County.
What percentage of students in Grays Harbor County go to private school?
1% of all K-12 students in Grays Harbor County are educated in private schools (compared to the WA state average of 10%).
What percentage of private schools are religiously affiliated in Grays Harbor County?
100% of private schools in Grays Harbor County are religiously affiliated (most commonly Seventh Day Adventist and Catholic).
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