Mattson Middle School
16400 SE 251st ST, Covington, WA 98042 Map
Math (met standard)
36%
−4
state 40% · 2025-26
English (met standard)
47%
−4
state 51% · 2025-26
Science (met standard)
48%
−1
state 49% · 2025-26
Low income
46%
free or reduced-price lunch
Students
719
2024-25
Students per teacher
18.4
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 | 32% state 40% · 2025-26 | 45% state 48% · 2025-26 | — |
| Grade 7 | 39% state 41% · 2025-26 | 45% state 53% · 2025-26 | — |
| Grade 8 | 38% state 39% · 2025-26 | 50% state 51% · 2025-26 | 48% state 49% · 2025-26 |
| All grades | 36% state 40% · 2025-26 | 47% state 51% · 2025-26 | 48% state 49% · 2025-26 |
Results by year (all grades)
| School year | Math | English | Science |
|---|---|---|---|
| 2025-26 | 36% state 40% | 47% state 51% | 48% state 49% |
| 2024-25 | 37% state 40% | 51% state 51% | 37% state 44% |
| 2023-24 | 36% state 38% | 49% state 50% | 33% state 43% |
| 2022-23 | 36% state 37% | 52% state 52% | 38% state 44% |
| 2021-22 | 36% state 36% | 55% state 53% | 45% state 43% |
| 2018-19 | 50% state 49% | 59% state 61% | 52% state 53% |
| 2017-18 | 50% state 50% | 59% state 61% | 51% state 55% |
| 2016-17 | 53% state 50% | 63% state 60% | — |
| 2015-16 | 53% state 50% | 65% state 60% | — |
| 2014-15 | 50% state 48% | 56% state 58% | — |
Students
Race and ethnicity, 2024-25
- Asian 19%
- White 37%
- Hispanic 23%
- Black 6%
- Two or more 11%
- Other 3%
Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).
Nearby schools
2025-26 results
Subject percentages show the share of students who met or exceeded the state standard.
| Pick to compare | |||||
|---|---|---|---|---|---|
|
Maple View Middle School
Grades 6–8
· Tahoma School District
|
1.2 mi |
59%
+19
vs state
|
69%
+18
vs state
|
24% | |
|
Cedar Heights Middle School
Grades 6–8
· Kent School District
|
2.4 mi |
27%
−13
vs state
|
42%
−8
vs state
|
51% | |
|
Meridian Middle School
Grades 6–8
· Kent School District
|
2.9 mi |
37%
−3
vs state
|
53%
+2
vs state
|
56% | |
|
Canyon Ridge Middle School
Grades 6–8
· Kent School District
|
3.4 mi |
18%
−22
vs state
|
25%
−26
vs state
|
73% | |
|
Northwood Middle School
Grades 6–8
· Kent School District
|
4.1 mi |
44%
+4
vs state
|
53%
+2
vs state
|
35% | |
|
Meeker Middle School
Grades 6–8
· Kent School District
|
4.4 mi |
26%
−14
vs state
|
37%
−14
vs state
|
59% | |
|
Kent Laboratory Academy
Grades 3–12
Alternative
· Kent School District
|
4.4 mi |
38%
−5
vs state
|
59%
+5
vs state
|
41% | |
|
Rainier Middle School
Grades 6–8
· Auburn School District
|
4.6 mi |
26%
−14
vs state
|
37%
−14
vs state
|
61% |
No schools match this filter.