Three Rivers Christian School Photo

Best Cowlitz County Private Elementary Schools (2026)

For the 2026 school year, there are 6 private elementary schools serving 487 students in Cowlitz County, WA.
The top-ranked private elementary schools in Cowlitz County, WA include Three Rivers Christian School, St. Rose School, and Family House Academy.
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).

Top-Ranked Cowlitz County Private Elementary Schools (2026)

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

Overview

This County (Cowlitz County)
This State (WA)
# Schools
6 Schools

Student Body:

# Students
487 Students
102,000 Students
% Average Students of Color
17%
31%

Academics and Faculty:

# Teachers
35 Teachers
8,462 Teachers
Average Student-Teacher Ratio
14:1
12:1
% Average Faculty w/Advanced Degree
85%
58%
Average Class Size
15 students
16 students
Average Number of AP Courses
15 courses
9 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$10,977
$15,408
Average % on Financial Aid
40%
27%
Average Financial Aid Grant
$1,300
$9,724
Average Acceptance Rate
98%
81%
Average Endowment Size
$50 million
$42.24 million

Students by Ethnicity:

0.50
0.64
# American Indian Students
5 Students
1,114 Students
% American Indian Students
1%
1%
# Asian Students
8 Students
7,887 Students
% Asian Students
2%
8%
# Hispanic Students
35 Students
5,493 Students
% Hispanic Students
7%
5%
# Black Students
9 Students
3,197 Students
% Black Students
2%
3%
# White Students
335 Students
52,227 Students
% White Students
67%
52%
# Hawaiian Students
2 Students
545 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
30,471 Students
% of Others Students
21%
30%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
5 extracurriculars
7 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 Three Rivers Christian School, St. Rose School, and Family House Academy.
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 31%.
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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