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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 private elementary schools in Cowlitz County, WA include St. Rose School, Family House Academy, and Three Rivers Christian School.

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

Add to Compare

1220 Carroll Rd
Kelso, WA 98626
(360) 425-7481

Gr: K-8 | 26 students Tuition listed

St. Rose School

(Catholic)

Add to Compare

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

(Christian)

Add to Compare

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

Add to Compare

(1)

1428 22nd Ave
Longview, WA 98632
(360) 200-8976

Gr: PK-4 | 39 students Tuition listed

Gateway Learning Center

Alternative School

Add to Compare

1157 3rd Ave Suite 125
Longview, WA 98632
(360) 577-3939

Gr: K-12 | 42 students

Journey Christian School

(Seventh Day Adventist)

Add to Compare

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

View Data

Trends in Total Number of Private Elementary Schools
Year	Cowlitz County Total Schools
2025	6
2024	6
2023	6
2022	6
2021	6
2020	6
2019	5
2018	5
2017	4
2016	4
2015	4

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Student Body:

# Students

487 Students

101,730 Students

View Data

Trends in the Average Number of Students Per Private Elementary School
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	81	202	199
2024	81	198	192
2023	94	190	193
2022	129	182	205
2021	129	182	201
2020	129	175	188
2019	150	174	193
2018	161	172	190
2017	192	174	199
2016	192	172	196
2015	192	166	183

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% Average Students of Color

17%

31%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	17%	31%	33%
2024	17%	28%	32%
2023	14%	31%	32%
2022	12%	28%	32%
2021	12%	28%	31%
2020	12%	26%	31%
2019	11%	26%	31%
2018	11%	25%	30%
2017	12%	29%	31%
2016	12%	28%	31%
2015	12%	28%	31%

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Academics and Faculty:

# Teachers

35 Teachers

8,538 Teachers

Average Student-Teacher Ratio

14:1

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	14:1	12:1	11:1
2024	14:1	12:1	11:1
2023	11:1	12:1	11:1
2022	11:1	12:1	11:1
2021	11:1	12:1	11:1
2020	11:1	12:1	11:1
2019	11:1	12:1	11:1
2018	13:1	12:1	11:1
2017	13:1	12:1	11:1
2016	13:1	12:1	12:1
2015	13:1	12:1	12:1

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% Average Faculty w/Advanced Degree

85%

58%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	85%	58%	54%
2024	85%	57%	54%
2023	85%	58%	53%
2022	85%	58%	53%
2021	85%	58%	53%
2020	85%	58%	53%
2019	85%	57%	52%
2018	85%	55%	52%
2017	85%	55%	51%
2016	85%	54%	51%
2015	85%	55%	50%

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Average Class Size

15 students

16 students

View Data

Class Size Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	15	16	16
2024	15	16	15
2023	15	16	15
2022	15	15	15
2021	15	15	15
2020	15	15	15
2019	15	15	15
2018	16	15	15
2017	16	15	15
2016	16	15	15
2015	16	15	15

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Average Number of AP Courses

15 courses

10 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$10,977

$15,426

View Data

Tuition Cost Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National 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%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	40%	27%	34%
2024	40%	26%	33%
2023	40%	26%	33%
2022	40%	26%	32%
2021	40%	25%	32%
2020	40%	26%	31%
2019	40%	25%	30%
2018	30%	25%	29%
2017	30%	25%	29%
2016	30%	23%	28%
2015	30%	22%	27%

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Average Financial Aid Grant

$1,300

$9,864

View Data

Financial Aid Grant Trends (2019-2025)
Year	Cowlitz County Average	Washington (WA) Average	National 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%

View Data

Acceptance Rate Trends (2015-2025)
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	98%	81%	81%
2024	98%	84%	85%
2023	98%	83%	85%
2022	98%	83%	85%
2021	98%	84%	86%
2020	98%	84%	86%
2019	98%	83%	85%
2018	98%	82%	85%
2017	98%	82%	86%
2016	98%	80%	85%
2015	98%	80%	86%

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Average Endowment Size

$50 million

$42.24 million

Students by Ethnicity:

0.50

0.64

View Data

Diversity Score Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	0.50	0.64	0.64
2024	0.50	0.64	0.64
2023	0.36	0.63	0.63
2022	0.57	0.61	0.62
2021	0.57	0.62	0.62
2020	0.57	0.61	0.62
2019	0.56	0.60	0.61
2018	0.56	0.60	0.60
2017	0.56	0.59	0.59
2016	0.56	0.59	0.59
2015	0.56	0.58	0.58

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# American Indian Students

5 Students

1,107 Students

% American Indian Students

View Data

Percentage of Private Elementary School Students of American Indian Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	1%	1%	1%
2024	1%	1%	1%
2023	1%	1%	1%

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# Asian Students

8 Students

7,871 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	2%	8%	5%
2024	2%	8%	5%
2023	3%	8%	5%
2022	3%	7%	5%
2021	3%	7%	5%
2020	3%	7%	5%
2019	2%	6%	4%
2018	2%	6%	4%
2017	2%	6%	4%
2016	2%	6%	4%
2015	2%	6%	4%

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# Hispanic Students

35 Students

5,483 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	7%	5%	9%
2024	7%	5%	9%
2023	6%	5%	9%
2022	3%	5%	8%
2021	3%	5%	9%
2020	3%	5%	9%
2019	3%	5%	8%
2018	3%	5%	8%
2017	3%	5%	8%
2016	3%	5%	8%
2015	3%	5%	8%

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# Black Students

9 Students

3,181 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	2%	3%	8%
2024	2%	3%	8%
2023	2%	3%	8%
2022	1%	3%	7%
2021	1%	3%	8%
2020	1%	4%	8%
2019	1%	3%	8%
2017	1%	3%	7%
2016	1%	3%	8%
2015	1%	3%	8%

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# White Students

335 Students

52,042 Students

% White Students

67%

52%

View Data

White Student Percentage Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	67%	52%	55%
2024	67%	52%	55%
2023	79%	53%	55%
2022	48%	56%	57%
2021	48%	56%	57%
2020	48%	56%	58%
2019	48%	58%	59%
2018	45%	58%	59%
2017	42%	59%	61%
2016	42%	59%	61%
2015	42%	60%	61%

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# Hawaiian Students

2 Students

538 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

103 Students

30,510 Students

% of Others Students

21%

30%

View Data

Other Races Student Percentage Trends
Year	Cowlitz County Average	Washington (WA) Average	National Average
2025	21%	30%	22%
2024	21%	30%	22%
2023	8%	29%	22%
2022	45%	27%	22%
2021	45%	27%	20%
2020	45%	26%	19%
2019	46%	26%	20%
2018	50%	26%	20%
2017	52%	25%	19%
2016	52%	25%	18%
2015	52%	24%	18%

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All Ethnic Groups