Enrollment
719
Washington · 2024-25 NCES data
Middle school (grades 6-8) · Covington, WA
Mattson Middle School
Federal NCES profile for Mattson Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 530396001780
👥 S:T ratio 10
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 51
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mattson Middle School earns 40/100 on the Resource Investment Index, with class sizes larger than 89% of Washington schools. It is also more racially and ethnically mixed than most Washington schools.
- #2 of 3
- middle schools in Covington · Resource Index
- 40
- Resource Index · Typical
- 22.5:1
- large classes for Washington
- 42.8%
- free-lunch eligible
Mattson Middle School has class sizes larger than 89% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Mattson Middle School ranks #2 of 3 middle schools in Covington, WA.
School address
District: Kent School District · Washington
NCES ID 530396001780 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
22.5:1
vs 17.6:1 Washington avg
+28% vs state
Free-lunch eligible
42.8%
vs 45.0% Washington avg
-5% vs state
Student-teacher ratio in context
How Mattson Middle School compares with Washington and U.S. medians
What stands out at Mattson Middle School
Mattson Middle School is a large middle school in Covington, Washington, enrolling 719 students.
Class loads run heavy: 22.5:1 is larger than about 89% of Washington schools and 28% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 42.8% lands close to the Washington typical range, neither a high- nor low-need campus by this measure.
Enrollment of 719 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Against 370 statewide peers matched on enrollment and economic need, it ranks mid-pack at #250.
Its student body is led by White (37%) and Hispanic or Latino (23%), more mixed than most schools in the state (diversity index 75/100).
Counselor availability sits well past the ASCA benchmark, roughly 360 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 19.6% of students chronically absent per the 2021-22 civil-rights collection.
Among Covington's middle schools, it stands alongside Maple View Middle School (1,046 students): Mattson Middle School is smaller than that campus by headcount and runs heavier classes (22.5:1 vs 22.3:1).
Kent School District also operates Kentridge High School (2,186 students) and Kentwood High School (1,995 students) alongside Mattson Middle School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mattson Middle School compares
Mattson Middle School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.5:1 | ▲ 28% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 42.8% | ▼ 5% | 45.0% | 51.7% |
| Enrollment | 719 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.5:1
Leaner classes than 9% of US schools, heavier class loads than most.
719
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
42.8%
free-lunch eligible
- 5% below the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.5:1
students per teacher
- 28% above state mean
Top 89% in Washington - lower ratio than 11% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
19.6%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,678
per pupil, district-wide
- below Washington avg of $19,487
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 360 students, the combined health-and-guidance staffing load for this school.
Discipline context
15
in-school suspensions + 13 out-of-school
Suspension rate: 2.1 per 100 students. Combined in-school and out-of-school rate: 3.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 37.4%
Hispanic or Latino 23.0%
Asian 19.1%
Two or More 11.3%
African American 6.4%
Native Hawaiian / Pacific Islander 1.5%
American Indian / Alaska Native 1.3%
Largest group: White at 37.4% of enrollment.
Student-body diversity index 75.3/100
Simpson diversity index - at 75.3, Mattson Middle School is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Kent School District, which includes Mattson Middle School.
$17,678
Per student
-9%
vs Washington
Avg $19,487
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 25.5%
State 61.2%
Federal 13.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Mattson Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kentridge High School | Larger | Lower economic need | Higher S:T ratio |
| Kentwood High School | Larger | Similar economic need | Higher S:T ratio |
| Kent-Meridian High School | Larger | Higher economic need | Lower S:T ratio |
| Kentlake High School | Larger | Similar economic need | Similar S:T ratio |
| Northwood Middle School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mattson Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,186
- Students per teacher
- 24.8:1
- Resource Index
- 40/100
- Enrollment
- 1,995
- Students per teacher
- 25.3:1
- Resource Index
- 33/100
- Enrollment
- 1,639
- Students per teacher
- 16.2:1
- Resource Index
- 36/100
- Enrollment
- 1,561
- Students per teacher
- 23.3:1
- Resource Index
- 35/100
- Enrollment
- 911
- Students per teacher
- 31.4:1
- Resource Index
- 38/100
Similar middle schools in Covington
2 comparable middle schools (grades 6-8) serving the same city.
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~719 students)
Similar student-teacher ratio (~22.5:1)
Next steps
Verify locally before acting on Mattson Middle School's federal record.
- Compare Mattson Middle School against another school. Compare schools
- Kent School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Mattson Middle School
How many students attend Mattson Middle School?
Mattson Middle School has 719 students enrolled. It is a middle school in Covington, WA.
What is the student-teacher ratio at Mattson Middle School?
The student-teacher ratio at Mattson Middle School is 22.5:1, which is 28% higher than the Washington average of 17.6:1 and 43% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mattson Middle School?
42.8% of students at Mattson Middle School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Mattson Middle School?
The largest demographic group at Mattson Middle School is White at 37.4% of enrollment, in Covington, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.3/100.
What is the Resource Investment Index for Mattson Middle School?
Mattson Middle School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mattson Middle School rank among middle schools in Covington?
By Resource Investment Index, Mattson Middle School ranks #2 of 3 middle schools in Covington, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Covington on the city page.
Is Mattson Middle School a good school?
Mattson Middle School earns 40/100 on the Resource Investment Index, with class sizes larger than 89% of Washington schools. It is also more racially and ethnically mixed than most Washington schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Kent School District?
Besides Mattson Middle School, Kent School District also operates Kentridge High School (2,186 students), Kentwood High School (1,995 students), and Kent-Meridian High School (1,639 students). See the Kent School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.