Private School Review - Established 2003
St. Rose School
Three Rivers Christian School

Best Cowlitz County Private Elementary Schools (2026-27)

For the 2026-27 school year, there are 6 private elementary schools serving 487 students in Cowlitz County, WA.
The average acceptance rate is 98%, which is higher than the Washington private elementary school average acceptance rate of 81%.
67% of private elementary schools in Cowlitz County, WA are religiously affiliated (most commonly Other and Seventh Day Adventist).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Cowlitz County Private Elementary Schools (2026-27)

Map of Family House Academy
Family House Academy
Gr: K-8 | 26 students
Alternative School
1220 Carroll Rd
Kelso, WA 98626
(360) 425-7481
View Profile
St. Rose School Photo
St. Rose School
Gr: PK-8 | 164 students
Avg. class size: 13 students
Sports: 4 | Extracurriculars: 5
Catholic
720 26th Ave
Longview, WA 98632
(360) 425-4660
View Profile
Three Rivers Christian School Photo
Three Rivers Christian School
Gr: K-6 | 149 students
Avg. class size: 18 students
Sports: 6
Christian
2610 Ocean Beach Hwy
Longview, WA 98632
(360) 423-4510
View Profile
Map of Big Leaf Montessori School
Big Leaf Montessori School
Gr: PK-4 | 39 students
Montessori School
1428 22nd Ave
Longview, WA 98632
(360) 200-8976
(1)
View Profile
Map of Gateway Learning Center
Gateway Learning Center
Gr: K-12 | 42 students
Alternative School
1157 3rd Ave Suite 125
Longview, WA 98632
(360) 577-3939
View Profile
Map of Journey Christian School
Journey Christian School
Gr: PK-8 | 67 students
Avg. class size: 14 students
Seventh Day Adventist
96 Garden St
Kelso, WA 98626
(360) 423-9250
View Profile

Overview

Category
This State (WA)
US
# Schools
6 Schools

Trends in Total Number of Private Elementary Schools

YearCowlitz County Total Schools
20256
20246
20236
20226
20216
20206
20195
20185
20174
20164
20154
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# Students
487 Students
101,351 Students

Trends in the Average Number of Students Per Private Elementary School

YearCowlitz County AverageWashington (WA) AverageNational Average
202581202199
202481198192
202394190193
2022129182205
2021129182201
2020129175188
2019150174193
2018161172190
2017192174199
2016192172196
2015192166183
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% Average Students of Color
17%
32%

Percentage of Students of Color Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
202517%31%33%
202417%28%32%
202314%31%32%
202212%28%32%
202112%28%31%
202012%26%31%
201911%26%31%
201811%25%30%
201712%29%31%
201612%28%31%
201512%28%31%
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Academics and Faculty:

# Teachers
35 Teachers
8,559 Teachers
Average Student-Teacher Ratio
14:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
202514:112:111:1
202414:112:111:1
202311:112:111:1
202211:112:111:1
202111:112:111:1
202011:112:111:1
201911:112:111:1
201813:112:111:1
201713:112:111:1
201613:112:112:1
201513:112:112:1
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% Average Faculty w/Advanced Degree
85%
59%

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

YearCowlitz County AverageWashington (WA) AverageNational Average
202585%58%54%
202485%57%54%
202385%58%53%
202285%58%53%
202185%58%53%
202085%58%53%
201985%57%52%
201885%55%52%
201785%55%51%
201685%54%51%
201585%55%50%
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Average Class Size
15 students
15 students

Class Size Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
2025151616
2024151615
2023151615
2022151515
2021151515
2020151515
2019151515
2018161515
2017161515
2016161515
2015161515
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Average Number of AP Courses
15 courses
11 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$10,977
$15,588

Tuition Cost Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
2025$10,977$15,354$14,043
2024$6,311$14,323$12,357
2023$6,311$13,309$11,693
2022$6,311$12,179$11,199
2021$6,311$11,934$10,824
2020$6,311$11,378$10,496
2019$6,311$10,995$10,300
2018$6,450$10,759$10,056
2017$5,300$10,148$9,712
2016$5,300$9,536$9,307
2015$5,300$9,241$8,903
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Average % on Financial Aid
40%
27%

Percent on Financial Aid Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
202540%27%34%
202440%26%33%
202340%26%33%
202240%26%32%
202140%25%32%
202040%26%31%
201940%25%30%
201830%25%29%
201730%25%29%
201630%23%28%
201530%22%27%
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Average Financial Aid Grant
$1,300
$9,738

Financial Aid Grant Trends (2019-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
2025$1,300$9,724$6,227
2024$1,300$9,646$6,113
2023$1,300$7,513$5,785
2022$1,300$6,682$5,514
2021$1,300$6,554$5,269
2020$1,300$5,937$5,141
2019$1,300$6,235$5,007
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Average Acceptance Rate
98%
81%

Acceptance Rate Trends (2015-2025)

YearCowlitz County AverageWashington (WA) AverageNational Average
202598%81%81%
202498%84%85%
202398%83%85%
202298%83%85%
202198%84%86%
202098%84%86%
201998%83%85%
201898%82%85%
201798%82%86%
201698%80%85%
201598%80%86%
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Average Endowment Size
$50 million
$23.82 million

Students by Ethnicity:

0.50
0.64

Diversity Score Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
20250.500.640.64
20240.500.640.64
20230.360.630.63
20220.570.610.62
20210.570.620.62
20200.570.610.62
20190.560.600.61
20180.560.600.60
20170.560.590.59
20160.560.590.59
20150.560.580.58
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# American Indian Students
5 Students
1,107 Students
% American Indian Students
1%
1%

Percentage of Private Elementary School Students of American Indian Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
20251%1%1%
20241%1%1%
20231%1%1%
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# Asian Students
8 Students
7,871 Students
% Asian Students
2%
8%

Asian Student Percentage Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
20252%8%5%
20242%8%5%
20233%8%5%
20223%7%5%
20213%7%5%
20203%7%5%
20192%6%4%
20182%6%4%
20172%6%4%
20162%6%4%
20152%6%4%
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# Hispanic Students
35 Students
5,483 Students
% Hispanic Students
7%
5%

Hispanic Student Percentage Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
20257%5%9%
20247%5%9%
20236%5%9%
20223%5%8%
20213%5%9%
20203%5%9%
20193%5%8%
20183%5%8%
20173%5%8%
20163%5%8%
20153%5%8%
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# Black Students
9 Students
3,181 Students
% Black Students
2%
3%

Black Student Percentage Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
20252%3%8%
20242%3%8%
20232%3%8%
20221%3%7%
20211%3%8%
20201%4%8%
20191%3%8%
20171%3%7%
20161%3%8%
20151%3%8%
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# White Students
335 Students
52,042 Students
% White Students
67%
52%

White Student Percentage Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
202567%52%55%
202467%52%55%
202379%53%55%
202248%56%57%
202148%56%57%
202048%56%58%
201948%58%59%
201845%58%59%
201742%59%61%
201642%59%61%
201542%60%61%
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# Hawaiian Students
2 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
103 Students
30,226 Students
% of Others Students
21%
30%

Other Races Student Percentage Trends

YearCowlitz County AverageWashington (WA) AverageNational Average
202521%30%22%
202421%30%22%
20238%29%22%
202245%27%22%
202145%27%20%
202045%26%19%
201946%26%20%
201850%26%20%
201752%25%19%
201652%25%18%
201552%24%18%
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All Ethnic Groups

Extracurriculars and Sports:

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

Frequently Asked Questions

What are the top ranked private elementary schools in Cowlitz County, WA?
The top ranked private elementary schools in Cowlitz County, WA include Family House Academy, Three Rivers Christian School, and St. Rose School.
How many private elementary schools are located in Cowlitz County?
6 private elementary schools are located in Cowlitz County.
How diverse are private elementary schools in Cowlitz County?
Cowlitz County private elementary schools are approximately 17% minority students, which is lower than the Washington private school average of 32%.
What percentage of private elementary schools are religiously affiliated in Cowlitz County?
67% of private elementary schools in Cowlitz County are religiously affiliated (most commonly Other and Seventh Day Adventist).
Which private elementary schools in Cowlitz County are often viewed compared to one another?

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