For the 2026 school year, there are 18 public high schools serving 5,648 students in Cowlitz County, WA.
The top-ranked public high schools in Cowlitz County, WA are Kalama High School, Discovery High School and Lewis River Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cowlitz County, WA public high schools have an average math proficiency score of 21% (versus the Washington public high school average of 34%), and reading proficiency score of 60% (versus the 65% statewide average). High schools in Cowlitz County have an average ranking of 4/10, which is in the bottom 50% of Washington public high schools.
Cowlitz County, WA public high school have a Graduation Rate of 81%, which is less than the Washington average of 84%.
The school with highest graduation rate is Mark Morris High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 30% of the student body (majority Hispanic), which is less than the Washington public high school average of 51% (majority Hispanic).
Best Public High Schools in Cowlitz County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Kalama High School
(Math: 35-39% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
548 China Garden Road
Kalama, WA 98625
(360) 673-5212
Kalama, WA 98625
(360) 673-5212
Gr: 9-12 | 347 students Student-teacher ratio: 14:1 Minority enrollment: 21%
Rank: #22.
Discovery High School
Alternative School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
2742 Harding Blvd
Longview, WA 98632
(360) 414-2920
Longview, WA 98632
(360) 414-2920
Gr: 9-12 | 57 students Student-teacher ratio: 11:1 Minority enrollment: 39%
Rank: #33.
Lewis River Academy
Alternative School
(Math: 21-39% | Reading: 60-69%)
Rank:
Rank:
6/
Top 50%10
800 Third Street
Woodland, WA 98674
(360) 841-2706
Woodland, WA 98674
(360) 841-2706
Gr: K-12 | 43 students Student-teacher ratio: 22:1 Minority enrollment: 23%
Rank: #44.
Woodland High School
(Math: 20-24% | Reading: 65-69%)
Rank:
Rank:
5/
Bottom 50%10
1500 Dike Access Road
Woodland, WA 98674
(360) 841-2800
Woodland, WA 98674
(360) 841-2800
Gr: 9-12 | 667 students Student-teacher ratio: 22:1 Minority enrollment: 29%
Rank: #55.
Kelso High School
(Math: 15% | Reading: 71%)
Rank:
Rank:
5/
Bottom 50%10
1904 Allen St
Kelso, WA 98626
(360) 501-1842
Kelso, WA 98626
(360) 501-1842
Gr: 9-12 | 1,390 student Student-teacher ratio: 19:1 Minority enrollment: 31%
Rank: #66.
Mark Morris High School
(Math: 22% | Reading: 60%)
Rank:
Rank:
5/
Bottom 50%10
1602 Mark Morris Court
Longview, WA 98632
(360) 575-7663
Longview, WA 98632
(360) 575-7663
Gr: 9-12 | 912 students Student-teacher ratio: 20:1 Minority enrollment: 32%
Rank: #77.
Toutle Lake High School
(Math: 25-29% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
5050 Spirit Lake Hwy
Toutle, WA 98649
(360) 274-6132
Toutle, WA 98649
(360) 274-6132
Gr: 7-12 | 308 students Student-teacher ratio: 19:1 Minority enrollment: 16%
Rank: #88.
Loowit High School
Alternative School
(Math: <50% | Reading: ≥50% )
Rank:
Rank:
5/
Bottom 50%10
1904 Allen St
Kelso, WA 98626
(360) 501-1424
Kelso, WA 98626
(360) 501-1424
Gr: 6-12 | 14 students Student-teacher ratio: 14:1 Minority enrollment: 21%
Rank: #99.
Longview Virtual Academy
Alternative School
(Math: ≤20% | Reading: 50-59%)
Rank:
Rank:
4/
Bottom 50%10
2742 Harding Street
Longview, WA 98632
(360) 414-2926
Longview, WA 98632
(360) 414-2926
Gr: 6-12 | 88 students Student-teacher ratio: 44:1 Minority enrollment: 28%
Rank: #1010.
Castle Rock High School
(Math: 10-14% | Reading: 55-59%)
Rank:
Rank:
4/
Bottom 50%10
5180 Westside Hwy
Castle Rock, WA 98611
(360) 501-2930
Castle Rock, WA 98611
(360) 501-2930
Gr: 9-12 | 422 students Student-teacher ratio: 18:1 Minority enrollment: 17%
Rank: #1111.
R A Long High School
(Math: 21% | Reading: 51%)
Rank:
Rank:
3/
Bottom 50%10
2903 Nichols Blvd.
Longview, WA 98632
(360) 575-7225
Longview, WA 98632
(360) 575-7225
Gr: 9-12 | 926 students Student-teacher ratio: 22:1 Minority enrollment: 42%
Rank: #1212.
Woodland Alternative School
Alternative School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
3/
Bottom 50%10
759 3rd Street
Woodland, WA 98674
(360) 841-2900
Woodland, WA 98674
(360) 841-2900
Gr: 9-12 | 96 students Student-teacher ratio: 48:1 Minority enrollment: 24%
Rank: #1313.
Kelso Virtual Academy
(Math: 6-9% | Reading: 45-49%)
Rank:
Rank:
2/
Bottom 50%10
404 Long Ave
Kelso, WA 98626
(360) 232-5000
Kelso, WA 98626
(360) 232-5000
Gr: K-12 | 216 students Student-teacher ratio: 24:1 Minority enrollment: 28%
Rank: n/an/a
Castle Rock Virtual Academy
Alternative School
5180 West Side Highway
Castle Rock, WA 98611
(360) 501-2930
Castle Rock, WA 98611
(360) 501-2930
Gr: K-12 | 13 students Minority enrollment: 8%
Rank: n/an/a
1725 1st Ave.
Longview, WA 98632
(360) 577-3100
Longview, WA 98632
(360) 577-3100
Gr: 6-12 | 14 students Minority enrollment: 36%
Rank: n/an/a
Discovery High School-achieve
Alternative School
2742 Harding
Longview, WA 98632
(360) 414-2929
Longview, WA 98632
(360) 414-2929
Gr: 9-12 | 57 students Minority enrollment: 33%
Rank: n/an/a
Kelso Goal Oriented Learning Design
Alternative School
1904 Allen St
Kelso, WA 98626
(360) 501-1424
Kelso, WA 98626
(360) 501-1424
Gr: 9-12 | 12 students Student-teacher ratio: 12:1 Minority enrollment: 41%
Rank: n/an/a
Special Education
Special Education School
601 Crawford St
Kelso, WA 98626
(360) 501-1904
Kelso, WA 98626
(360) 501-1904
Gr: PK-12 | 19 students Minority enrollment: 37%
Frequently Asked Questions
What are the top-ranked public high schools in Cowlitz County, WA?
The top-ranked public high schools in Cowlitz County, WA include Kalama High School, Discovery High School and Lewis River Academy.
How many public high schools are located in Cowlitz County?
18 public high schools are located in Cowlitz County.
What is the racial composition of students in Cowlitz County?
Cowlitz County public high schools minority enrollment is 30% of the student body (majority Hispanic), which is less than the Washington public high schools average of 51% (majority Hispanic).
Which public high schools in Cowlitz County are often viewed compared to one another?
Popular comparisons of public high schools in Cowlitz County include: Mark Morris High School vs. R A Long High School, Toutle Lake High School vs. Castle Rock High School, R A Long High School vs. Mark Morris High School
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