Average
#1627 of 2,225 schools in WA
Mattson Middle School
Middle School · Kent School District
16400 SE 251st ST, Covington, WA 98042
Enrollment
779
Student-Teacher
19:1
Score
5.3
Grades
6th – 8th
Enrollment
779
Student-Teacher
19:1
Score
5.3
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Covington
#6 of 8
public schools
Washington middle schools
#224 of 374
In district
#29 of 42
Kent School District
About Mattson Middle School
Mattson Middle School serves grades 6 through 8 in Covington, a large suburban area of King County, Washington. The school enrolls 779 students with a student-teacher ratio of 19 to 1, supported by 41 full-time equivalent teachers. Academically, Mattson is working toward improved performance across core subjects.
In English language arts, about half of students are performing at or above proficiency levels, while math and science proficiency rates are lower at 37% and 32% respectively. The school's overall academic score of 5.2 out of 10 reflects these areas with room for growth. Statewide, Mattson ranks in the 43rd percentile among Washington's public schools, placing it at #1,294 out of 2,261 schools.
As a regular public middle school, Mattson provides a traditional educational structure for students navigating the middle grades. The suburban setting offers families an established community environment in the 98042 zip code area.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Mattson Middle School — Students at Mattson Middle School score 40% proficient, which is below what's typical for similar communities (expected: 45%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
49.7%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 13 test records from WA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.9/10.
How Mattson Middle School Compares
See how Mattson Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 50% (2019) to 33.9% (2024). Reading/ELA proficiency has declined from 59% (2019) to 46.8% (2024).
Location
16400 SE 251st ST, Covington, WA 98042
Nearby Alternatives
Families considering Mattson Middle School may also want to explore other middle schools in the area. Meridian Middle School (rated 7.4/10, 2.9 miles away, in nearby Kent), which scores notably higher. Another option is Maple View Middle School (rated 6.6/10, 1.2 miles away), which scores notably higher. Additionally, Northwood Middle School (rated 5.9/10, 4.1 miles away, in nearby Renton), which scores slightly higher. For more schools in Covington, see our Covington schools guide .
Nearby Schools
20 within 3.4 mi| School | Distance | Rating |
|---|---|---|
| Kentwood High School Covington | 0.5 mi | 4.1 |
| Covington Elementary School Covington | 0.8 mi | 6.8 |
| Crestwood Elementary School Covington | 0.8 mi | 8.4 |
| Maple View Middle School Covington | 1.2 mi | 6.6 |
| Jenkins Creek Elementary School Covington | 1.8 mi | 5.5 |
| Meridian Elementary School Kent | 1.6 mi | 9.2 |
| Horizon Elementary School Kent | 2.2 mi | 4.7 |
| Cedar Valley Elementary School Covington | 1.9 mi | 7.0 |
| SUNSHINE MOUNTAIN CHRISTIAN SCHOOL Kent | 2.1 mi | 2.0 |
| Cedar Heights Middle School Covington | 2.4 mi | 5.0 |
| Grass Lake Elementary School Kent | 2.8 mi | 7.3 |
| Sunrise Elementary School Kent | 2.6 mi | 8.8 |
| Martin Sortun Elementary School Kent | 2.3 mi | 6.6 |
| Lake Youngs Elementary School Kent | 3.6 mi | 8.1 |
| Soos Creek Elementary School Kent | 3.1 mi | 7.5 |
| Northwood Middle School Renton | 4.1 mi | 5.9 |
| Arthur Jacobsen Elementary Auburn | 3.4 mi | 4.7 |
| Meridian Middle School Kent | 2.9 mi | 7.4 |
| Lake View Elementary School Auburn | 4.2 mi | 6.1 |
| Auburn Mountainview High School Auburn | 3.4 mi | 5.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98042 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$125,554
Median Home Value
$613,000
Median Rent
$2,121/mo
Population
48,594
College Educated
33.7%
Homeownership
82.4%
Avg Commute
33.8 min
Poverty Rate
4.1%
Median Age
40
Community Profile
The community surrounding Mattson Middle School has a median household income of $125,554. It is an area where 34% of adults hold a bachelor's degree or higher. The median home value in the area is $613,000, with a median rent of $2,121/month. The local poverty rate of 4.1% is relatively low. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ballou Jr High Puyallup, WA | 5.3 |
| Cedarcrest School Marysville, WA | 5.3 |
| Centralia Middle School Centralia, WA | 5.3 |
| Ellen Ochoa Middle School Pasco, WA | 5.3 |
| Greenacres Middle School Spokane Valley, WA | 5.3 |
| Stevens Middle School Pasco, WA | 5.3 |
Frequently Asked Questions
Common questions about Mattson Middle School
What grades does Mattson Middle School serve?
Mattson Middle School serves students in grades 6th through 8th.
How many students attend Mattson Middle School?
Mattson Middle School has an enrollment of approximately 779 students.
What is the student-teacher ratio at Mattson Middle School?
The student-teacher ratio at Mattson Middle School is 19:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mattson Middle School rank in WA?
Mattson Middle School is ranked #1627 out of 2,225 schools in WA.
What is Mattson Middle School's MySchoolScout rating?
Mattson Middle School has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mattson Middle School?
Based on the most recent state assessment data, Mattson Middle School has 37.1% math proficiency and 50.2% reading/ELA proficiency.
Is Mattson Middle School a charter school?
No, Mattson Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Mattson Middle School a Title I school?
No, Mattson Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mattson Middle School?
49.7% of students at Mattson Middle School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- City Safety
- High (3,295/100K)
FBI UCR 2024. City-level (Covington). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 779
- Student-Teacher Ratio
- 19:1
- Teachers (FTE)
- 41
- Free/Reduced Lunch
- 49.7%
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Phone
- (253) 373-7670
- Data Year
- 2023–2024
Resources & Links
District
Kent School District- District Enrollment
- 25,700
- Schools in District
- 46
- Per-Pupil Spending
- $19,199
- District Rank
- #29 of 42
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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