Best Lewis County Private Schools (2026-27)

For the 2026-27 school year, there are 3 private schools serving 493 students in Lewis County, WA (there are 44 public schools, serving 12,687 public students). 4% of all K-12 students are educated in private schools (compared to the WA state average of 10%).
The average acceptance rate is 97%, which is higher than the Washington private school average acceptance rate of 85%.
75% of private schools in Lewis County, WA are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Lewis County Private Schools (2026-27)

Centralia Christian School Photo
Gr: PK-10 | 256 students
Avg. class size: 16 students
Sports: 3 | Extracurriculars: 2
Christian
1315 S. Tower Ave
Centralia, WA 98531
(360) 736-7657
Lewis County Adventist School Photo
Gr: PK-10 | 59 students
Avg. class size: 14 students
Extracurriculars: 2
Seventh Day Adventist
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
(3)
Map of St. Joseph School
Gr: PK-8 | 164 students
Avg. class size: 12 students
Extracurriculars: 4
Catholic
123 Sw 6th St
Chehalis, WA 98532
(360) 748-0961
[+] Show Closed Private Schools in Lewis County, Washington

Lewis County Private Schools (Closed)

Map of Napavine Christian School
Gr: PK-10 | 19 students
Baptist
Po Box 546
Napavine, WA 98565
(360) 262-9139

Overview

Category
This State (WA)
US
# Schools
4 Schools
# Students
493 Students
119,876 Students
% Average Students of Color
14%
32%

Academics and Faculty:

# Teachers
38 Teachers
10,041 Teachers
Average Student-Teacher Ratio
13:1
12:1
% Average Faculty w/Advanced Degree
46%
59%
Average Class Size
14 students
15 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$5,635
$15,160
Average % on Financial Aid
54%
28%
Average Financial Aid Grant
$950
$8,970
Average Acceptance Rate
97%
85%

Students by Ethnicity:

0.56
0.64
# American Indian Students
2 Students
1,226 Students
% American Indian Students
n/a
1%
# Asian Students
13 Students
9,040 Students
% Asian Students
3%
8%
# Hispanic Students
35 Students
6,302 Students
% Hispanic Students
7%
5%
# Black Students
3 Students
3,815 Students
% Black Students
1%
3%
# White Students
292 Students
59,127 Students
% White Students
59%
50%
# Hawaiian Students
1 Student
651 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
152 Students
38,316 Students
% of Others Students
30%
32%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
8 extracurriculars
Average Number of Sports
3 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Lewis County, WA?
The top ranked private schools in Lewis County, WA include Centralia Christian School, St. Joseph School, and Lewis County Adventist School.
How many private schools are located in Lewis County?
3 private schools are located in Lewis County.
What percentage of students in Lewis County go to private school?
4% of all K-12 students in Lewis County are educated in private schools (compared to the WA state average of 10%).
What percentage of private schools are religiously affiliated in Lewis County?
75% of private schools in Lewis County are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Which private schools in Lewis County are often viewed compared to one another?

Recent Articles

Who Handles Medication at a Private School?
Who Handles Medication at a Private School?
Learn who handles student medication at private schools, what policies families should review, and which questions parents should ask about prescriptions, emergencies, storage, documentation, and daily administration.
Does Your Child Need a School With a Full-Time Nurse?
Does Your Child Need a School With a Full-Time Nurse?
Learn when a full-time school nurse matters, how private schools handle medications, chronic conditions and emergencies, and which health-service questions parents should ask before enrolling their child.
The Course Availability Test: Are Classes Really Offered?
The Course Availability Test: Are Classes Really Offered?
Learn how to verify whether private school catalog courses are actually offered each year, identify scheduling limitations, and ask better questions before choosing a school for your child today.

Filter Schools

School Level
Must Offer Grade
Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links