Best Private Elementary Schools in Cowlitz County (2026-27)

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

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

Add to Compare

View Profile

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

Add to Compare

View Profile

Big Leaf Montessori School

Gr: PK-4 | 39 students

Montessori School

1428 22nd Ave

Longview, WA 98632

(360) 200-8976

(1)

Add to Compare

View Profile

Family House Academy

Gr: K-8 | 26 students

Alternative School

1220 Carroll Rd

Kelso, WA 98626

(360) 425-7481

Add to Compare

View Profile

Gateway Learning Center

Gr: K-12 | 42 students

Alternative School

1157 3rd Ave Suite 125

Longview, WA 98632

(360) 577-3939

Add to Compare

View Profile

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

Add to Compare

View Profile

Overview

Academics and Faculty:

# Teachers

35 Teachers

8,506 Teachers

Average Student-Teacher Ratio

14:1

12:1

% Average Faculty w/Advanced Degree

85%

60%

Average Class Size

15 students

16 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$6,311

$15,554

Average % on Financial Aid

40%

26%

Average Financial Aid Grant

$1,300

$10,221

Average Acceptance Rate

98%

85%

Students by Ethnicity:

0.50

0.64

# American Indian Students

5 Students

1,105 Students

% American Indian Students

# Asian Students

8 Students

7,871 Students

% Asian Students

# Hispanic Students

35 Students

5,478 Students

% Hispanic Students

# Black Students

9 Students

3,181 Students

% Black Students

# White Students

335 Students

52,028 Students

% White Students

67%

52%

# Hawaiian Students

2 Students

538 Students

% Hawaiian Students

<1%

# Others Students

103 Students

28,934 Students

% of Others Students

21%

29%

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

5 extracurriculars

8 extracurriculars

Average Number of Sports

5 sports

Frequently Asked Questions

What are the top ranked private elementary schools in Cowlitz County, WA?

The private elementary schools in Cowlitz County, WA include 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?

Popular comparisons of private elementary schools in Cowlitz County include: Gateway Learning Center vs. Three Rivers Christian School, St. Rose School vs. Three Rivers Christian School, Journey Christian School vs. Three Rivers Christian School

Recent Articles

November 03, 2026

Can Private Schools Raise Fees After You Sign?

Can private schools increase mandatory fees after enrollment contracts are signed? Learn how contract terms, fee disclosures, state laws, and parent rights affect unexpected charges and available options.

November 03, 2026

Financial Aid When a Sibling Graduates Private School

Learn how private school financial aid may change when an older sibling graduates, including revised family contributions, sibling discounts, college expenses, renewal decisions, and practical steps to protect affordability.

November 03, 2026

Private School Expansion: Preserving School Culture

Discover how growing private schools can expand enrollment while preserving small classes, personal attention, strong relationships, and school culture, plus essential questions parents should ask before choosing a school.