Private School Review - Established 2003
Centralia Christian School
Lewis County Adventist School

Best Lewis County Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 504 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 82%.
75% of private schools in Lewis County, WA are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Lewis County Private Schools (2026)

Centralia Christian School Photo
Centralia Christian School
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
View Profile
Lewis County Adventist School Photo
Lewis County Adventist School
Gr: PK-10 | 70 students
Avg. class size: 18 students
Extracurriculars: 2
Seventh Day Adventist
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
(3)
View Profile
Map of St. Joseph School
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
View Profile
[+] Show Closed Private Schools in Lewis County, Washington

Lewis County Private Schools (Closed)

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

Overview

Category
This State (WA)
US
# Schools
4 Schools

Trends in Total Number of Private Schools

YearLewis County Total Schools
20254
20244
20233
20223
20213
20203
20193
20183
20173
20163
20154
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# Students
504 Students
119,894 Students

Trends in the Average Number of Students Per Private School

YearLewis County AverageWashington (WA) AverageNational Average
2025126172179
2024128170172
2023155163174
2022143157185
2021143157180
2020119151171
2019124152175
2018124150172
2017117151180
2016109148178
201595144167
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% Average Students of Color
14%
32%

Percentage of Students of Color Trends (2015-2025)

YearLewis County AverageWashington (WA) AverageNational Average
202514%31%34%
202414%29%34%
202313%32%33%
202224%29%33%
202124%28%32%
202017%27%32%
201917%27%31%
201817%26%31%
201726%30%32%
201628%29%32%
201528%28%32%
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Academics and Faculty:

# Teachers
35 Teachers
10,039 Teachers
Average Student-Teacher Ratio
14:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearLewis County AverageWashington (WA) AverageNational Average
202514:112:111:1
202415:112:111:1
202314:112:111:1
202213:112:111:1
202113:112:111:1
202013:112:112:1
201914:112:112:1
201814:112:112:1
201713:112:112:1
201613:112:112:1
201515:112:112:1
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% Average Faculty w/Advanced Degree
46%
59%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearLewis County AverageWashington (WA) AverageNational Average
202546%58%55%
202446%57%54%
202346%58%54%
202246%57%54%
202146%57%54%
202040%57%54%
201935%56%53%
201835%55%53%
201735%55%53%
201635%54%52%
201540%55%52%
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Average Class Size
15 students
15 students

Class Size Trends (2015-2025)

YearLewis County AverageWashington (WA) AverageNational Average
2025151615
2024151615
2023151615
2022161515
2021161515
2020121515
2019131515
2018131515
2017131515
2016141515
2015171515
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$5,708
$15,804

Tuition Cost Trends (2015-2025)

YearLewis County AverageWashington (WA) AverageNational Average
2025$5,708$15,533$15,012
2024$5,537$14,062$13,254
2023$5,537$13,102$12,626
2022$5,083$12,138$12,187
2021$5,083$11,838$11,800
2020$4,389$11,300$11,512
2019$4,294$10,936$11,293
2018$4,294$10,668$11,017
2017$4,294$10,030$10,708
2016$4,294$9,472$10,356
2015$3,419$9,211$9,939
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Average % on Financial Aid
54%
28%

Percent on Financial Aid Trends (2020-2025)

YearLewis County AverageWashington (WA) AverageNational Average
202554%29%34%
202454%28%34%
202354%27%34%
202254%27%33%
202154%26%33%
202054%27%32%
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Average Financial Aid Grant
$950
$8,970

Financial Aid Grant Trends (2020-2025)

YearLewis County AverageWashington (WA) AverageNational Average
2025$950$8,921$7,073
2024$950$8,821$6,930
2023$950$6,927$6,469
2022$950$6,141$6,289
2021$950$6,073$6,055
2020$950$5,578$5,921
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Average Acceptance Rate
97%
82%

Acceptance Rate Trends (2020-2025)

YearLewis County AverageWashington (WA) AverageNational Average
202597%82%81%
202497%85%85%
202397%85%85%
202297%85%85%
202197%85%85%
202095%85%85%
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Students by Ethnicity:

0.57
0.64

Diversity Score Trends

YearLewis County AverageWashington (WA) AverageNational Average
20250.570.640.65
20240.570.640.65
20230.570.640.65
20220.550.620.64
20210.550.630.64
20200.430.630.64
20190.470.610.63
20180.470.620.63
20170.520.610.61
20160.500.600.61
20150.550.600.61
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# American Indian Students
2 Students
1,228 Students
% American Indian Students
n/a
1%
# Asian Students
13 Students
9,040 Students
% Asian Students
3%
8%

Asian Student Percentage Trends

YearLewis County AverageWashington (WA) AverageNational Average
20253%8%5%
20243%8%5%
20234%8%5%
20225%7%4%
20215%7%4%
20204%7%4%
20194%6%4%
20184%6%4%
20175%6%4%
20165%6%4%
20154%6%4%
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# Hispanic Students
35 Students
6,307 Students
% Hispanic Students
7%
5%

Hispanic Student Percentage Trends

YearLewis County AverageWashington (WA) AverageNational Average
20257%5%9%
20247%5%9%
20236%5%9%
20228%5%8%
20218%5%9%
202010%5%9%
201910%5%8%
201810%5%8%
20176%5%8%
20167%5%8%
20156%5%8%
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# Black Students
3 Students
3,815 Students
% Black Students
1%
3%

Black Student Percentage Trends

YearLewis County AverageWashington (WA) AverageNational Average
20251%3%7%
20241%3%7%
20201%3%8%
20191%3%7%
20181%3%7%
20171%3%7%
20161%3%7%
20152%3%8%
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# White Students
292 Students
59,141 Students
% White Students
58%
50%

White Student Percentage Trends

YearLewis County AverageWashington (WA) AverageNational Average
202558%50%52%
202457%50%52%
202356%51%52%
202262%53%54%
202162%53%54%
202074%53%54%
201971%55%56%
201871%55%56%
201765%56%58%
201668%56%58%
201561%57%58%
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# 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
158 Students
38,328 Students
% of Others Students
31%
32%

Other Races Student Percentage Trends

YearLewis County AverageWashington (WA) AverageNational Average
202531%32%26%
202432%32%26%
202334%31%25%
202225%30%25%
202125%30%25%
202011%29%24%
201914%29%24%
201814%29%23%
201723%28%22%
201619%28%22%
201527%27%21%
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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 St. Joseph School, Lewis County Adventist School, and Centralia Christian 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?

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