Kelso High School

Grades 9–12 Public District: Kelso School District

1904 Allen St, Kelso, WA 98626 Map

Math (met standard)
15%
−20 state 35% · 2025-26
English (met standard)
55%
−10 state 64% · 2025-26
Science (met standard)
36%
−12 state 49% · 2025-26
Low income
54%
free or reduced-price lunch
Students
1,390
2024-25
Students per teacher
18.8
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 10 15% state 35% · 2025-26 55% state 64% · 2025-26 —
Grade 11 — — 36% state 49% · 2025-26
All grades 15% state 35% · 2025-26 55% state 64% · 2025-26 36% state 49% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 15% state 35% 55% state 64% 36% state 49%
2024-25 15% state 34% 53% state 65% 43% state 51%
2023-24 21% state 33% 54% state 66% 40% state 50%
2022-23 16% state 33% 52% state 66% 55% state 51%
2021-22 24% state 35% 71% state 69% 58% state 54%
2018-19 20% state 43% 67% state 73% 59% state 50%
2017-18 29% state 43% 66% state 73% 50% state 46%

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Kelso Virtual Academy
Grades K–12 · Kelso School District
1.3 mi
12%
−27 vs state
30%
−27 vs state
50%
+1 vs state
5% Average of math, English and science: 26% in 2022-23 → 31% in 2025-26 62% 216 White 72%
Mark Morris High School
Grades 9–12 · Longview School District
2.1 mi
21%
−14 vs state
56%
−8 vs state
33%
−15 vs state
6% Average of math, English and science: 43% in 2022-23 → 37% in 2025-26 53% 912 White 68%
R A Long High School
Grades 9–12 · Longview School District
3.1 mi
25%
−11 vs state
59%
−6 vs state
51%
+2 vs state
Average of math, English and science: 44% in 2022-23 → 45% in 2025-26 64% 926 White 58%
Discovery High School
Grades 9–12 Alternative · Longview School District
3.1 mi —
33%
−33 vs state · 2022-23
30%
−21 vs state · 2024-25
37% Average of math, English and science: 67% in 2021-22 → 30% in 2024-25 81% 57 White 61%
Longview Virtual Academy
Grades 6–12 Alternative · Longview School District
3.1 mi
17%
46%
−11 vs state
50%
8% Average of math, English and science: 40% in 2022-23 → 48% in 2025-26 73% 88 White 72%