Grade Trends

Chinook Middle School

Grades 6–8 Public District: Highline School District

18650 42nd Ave S, SeaTac, WA 98188 Map

Math (met standard)
16%
−24 state 40% · 2025-26
English (met standard)
29%
−21 state 51% · 2025-26
Science (met standard)
33%
−15 state 49% · 2025-26
Low income
73%
free or reduced-price lunch
Students
620
2024-25
Students per teacher
17.4
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 6 13% state 40% · 2025-26 27% state 48% · 2025-26 —
Grade 7 13% state 41% · 2025-26 28% state 53% · 2025-26 —
Grade 8 21% state 39% · 2025-26 33% state 51% · 2025-26 33% state 49% · 2025-26
All grades 16% state 40% · 2025-26 29% state 51% · 2025-26 33% state 49% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 16% state 40% 29% state 51% 33% state 49%
2024-25 17% state 40% 34% state 51% 30% state 44%
2023-24 16% state 38% 29% state 50% 28% state 43%
2022-23 16% state 37% 28% state 50% 28% state 44%
2021-22 16% state 36% 35% state 51% 24% state 43%
2018-19 29% state 49% 56% state 61% 37% state 53%
2017-18 33% state 50% 50% state 61% 43% state 55%
2016-17 33% state 50% 44% state 60% —
2015-16 31% state 50% 38% state 60% —
2014-15 36% state 48% 37% state 58% —

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
CHOICE Academy
Grades 6–12 Alternative · Highline School District
2.1 mi
69%
+30 vs state
82%
+31 vs state
65%
+16 vs state
9% Average of math, English and science: 63% in 2022-23 → 72% in 2025-26 49% 176 White 32%
Big Picture School
Grades 6–12 Alternative · Highline School District
2.2 mi
21%
−18 vs state
39%
−15 vs state
33%
−15 vs state
Average of math, English and science: 33% in 2022-23 → 31% in 2025-26 50% 233 Hispanic 37%
Showalter Middle School
Grades 6–8 · Tukwila School District
2.8 mi
16%
−24 vs state
25%
−26 vs state
28%
−21 vs state
3% Average of math, English and science: 20% in 2022-23 → 23% in 2025-26 75% 651 Hispanic 37%
Pacific Middle School
Grades 6–8 · Highline School District
2.8 mi
16%
−24 vs state
29%
−21 vs state
21%
−28 vs state
3% Average of math, English and science: 25% in 2022-23 → 22% in 2025-26 74% 604 Hispanic 37%
Glacier Middle School
Grades 6–8 · Highline School District
3.1 mi
10%
−30 vs state
16%
−35 vs state
16%
−33 vs state
7% Average of math, English and science: 21% in 2022-23 → 14% in 2025-26 75% 803 Hispanic 60%
Sylvester Middle School
Grades 6–8 · Highline School District
3.2 mi
34%
−6 vs state
43%
−8 vs state
49%
±0 vs state
Average of math, English and science: 40% in 2022-23 → 42% in 2025-26 49% 582 White 37%
Renton Remote School
Grades K–12 · Renton School District
3.9 mi
28%
−18 vs state · 2021-22
39%
−11 vs state · 2021-22
36%
−16 vs state · 2021-22
Not enough years of data — 0
Talley High School
Grades 6–12 Alternative · Renton School District
4.0 mi
13%
−20 vs state · 2023-24
25%
−39 vs state
32%
−16 vs state
Average of math, English and science: 30% in 2022-23 → 29% in 2025-26 65% 248 Hispanic 27%
Kent Laboratory Academy
Grades 3–12 Alternative · Kent School District
4.1 mi
38%
−5 vs state
59%
+5 vs state
56%
+5 vs state
4% Average of math, English and science: 55% in 2022-23 → 51% in 2025-26 41% 291 Asian 32%
H.O.M.E. Program
Grades K–12 Alternative · Renton School District
4.1 mi
54%
81%
80%
Average of math, English and science: 70% in 2022-23 → 68% in 2025-26 23% 136 White 67%