Needs Improvement
#2194 of 2,225 schools in WA
Centennial Middle School
Middle School · Snohomish School District
3000 South Machias Road, Snohomish, WA 98290
Enrollment
735
Student-Teacher
22.3:1
Score
3.2
Grades
7th – 8th
Enrollment
735
Student-Teacher
22.3:1
Score
3.2
Grades
7th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Snohomish
#17 of 17
public schools
Washington middle schools
#369 of 374
In district
#15 of 15
Snohomish School District
About Centennial Middle School
Centennial Middle School is a regular public middle school in Snohomish, Washington, serving students in grades seven and eight. With an enrollment of 735 students and a student-teacher ratio of 22.3:1, the school aims to provide personalized learning experiences. Centennial has 33 full-time equivalent teachers dedicated to supporting its diverse student body.
The academic performance at Centennial Middle School shows room for improvement, with the MySchoolScout rating at 3.2 out of 10 and a state ranking of #1934 out of 2261 schools in Washington (14th percentile). In terms of proficiency rates, 48% of students are proficient or above in ELA/Reading, 38% in Math, and 42% in Science. These scores indicate areas where the school can focus on enhancing student development.
Centennial Middle School is situated in a mid-size suburb, offering a supportive community environment for its young learners as they navigate middle school.
What Parents Should Know
The student-teacher ratio at Centennial Middle School is 22.3:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Centennial Middle School — Students at Centennial Middle School score 36% proficient, which is below what's typical for similar communities (expected: 59%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
28.2%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 11 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: 2.5/10.
How Centennial Middle School Compares
See how Centennial Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 52% (2019) to 32.9% (2024). Reading/ELA proficiency has declined from 67% (2019) to 39.8% (2024).
Location
3000 South Machias Road, Snohomish, WA 98290
Nearby Alternatives
Families considering Centennial Middle School may also want to explore other middle schools in the area. Lake Stevens Middle School (rated 7.5/10, 2.2 miles away, in nearby Lake Stevens), which scores notably higher. Additionally, North Lake Middle School (rated 6.3/10, 3.4 miles away, in nearby Lake Stevens), which scores notably higher. For more schools in Snohomish, see our Snohomish schools guide .
Nearby Schools
20 within 3.9 mi| School | Distance | Rating |
|---|---|---|
| ZION LUTHERAN SCHOOL Lake Stevens | 1.2 mi | 4.6 |
| Glenwood Elementary Lake Stevens | 1.2 mi | 8.1 |
| Cascade View Elementary Snohomish | 2.1 mi | 7.7 |
| Skyline Elementary Lake Stevens | 2.1 mi | 8.3 |
| ST MICHAEL CATHOLIC SCHOOL Snohomish | 2.7 mi | 6.0 |
| Lake Stevens Middle School Lake Stevens | 2.2 mi | 7.5 |
| Machias Elementary Snohomish | 2.5 mi | 5.8 |
| Hillcrest Elementary School Lake Stevens | 2.4 mi | 7.6 |
| High School Re Entry Snohomish | 3.0 mi | — |
| AIM High School Snohomish | 3.0 mi | 4.1 |
| Parent Partnership Snohomish | 3.0 mi | 5.1 |
| Mt. Pilchuck Elementary School Lake Stevens | 3.2 mi | 7.1 |
| Central Emerson Elementary Snohomish | 3.1 mi | 7.7 |
| Dutch Hill Elementary Snohomish | 3.3 mi | 6.5 |
| North Lake Middle School Lake Stevens | 3.4 mi | 6.3 |
| Snohomish Center Snohomish | 3.0 mi | — |
| KARDIA CLASSICAL SCHOOL Snohomish | 2.6 mi | 1.3 |
| Cavelero Mid High School Lake Stevens | 2.5 mi | 5.5 |
| Lake Stevens Sr High School Lake Stevens | 3.8 mi | 4.8 |
| Homelink Lake Stevens | 3.9 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98290 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$129,656
Median Home Value
$717,600
Median Rent
$1,591/mo
Population
39,732
College Educated
38.1%
Homeownership
81.5%
Avg Commute
35.5 min
Poverty Rate
5%
Median Age
42.2
Community Profile
The community surrounding Centennial Middle School has a median household income of $129,656. It is an area where 38% of adults hold a bachelor's degree or higher. The median home value in the area is $717,600, with a median rent of $1,591/month. The local poverty rate of 5.0% is relatively low. The average commute in the area is 36 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Mill Creek Middle School Kent, WA | 3.2 |
| Haller Middle School Arlington, WA | 3.3 |
| Lakewood Middle School N. Lakewood, WA | 3.3 |
| Pacific Middle School Des Moines, WA | 3.3 |
| Gaiser Middle School Vancouver, WA | 3.1 |
| Miller Junior High Aberdeen, WA | 3.5 |
Frequently Asked Questions
Common questions about Centennial Middle School
What grades does Centennial Middle School serve?
Centennial Middle School serves students in grades 7th through 8th.
How many students attend Centennial Middle School?
Centennial Middle School has an enrollment of approximately 735 students.
What is the student-teacher ratio at Centennial Middle School?
The student-teacher ratio at Centennial Middle School is 22.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Centennial Middle School rank in WA?
Centennial Middle School is ranked #2194 out of 2,225 schools in WA.
What is Centennial Middle School's MySchoolScout rating?
Centennial Middle School has a composite rating of 3.2 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 Centennial Middle School?
Based on the most recent state assessment data, Centennial Middle School has 37.6% math proficiency and 47.6% reading/ELA proficiency.
Is Centennial Middle School a charter school?
No, Centennial Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Centennial Middle School a Title I school?
No, Centennial Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Centennial Middle School?
28.2% of students at Centennial 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 (1,773/100K)
FBI UCR 2024. City-level (Snohomish). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 8th
- Enrollment
- 735
- Student-Teacher Ratio
- 22.3:1
- Teachers (FTE)
- 33
- Free/Reduced Lunch
- 28.2%
- Type
- regular
- Setting
- Midsize Suburb
- County
- Snohomish County
- Phone
- (360) 563-4525
- Data Year
- 2023–2024
Resources & Links
District
Snohomish School District- District Enrollment
- 9,639
- Schools in District
- 18
- Per-Pupil Spending
- $17,157
- District Rank
- #15 of 15
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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