Centennial Middle School

3000 South Machias Road, Snohomish, WA 98290

BSchola Grade
Grades
7–8
Middle
Students
734
Enrolled 2024–25
Students per teacher
21.5 : 1
Full-time teachers
District
Snohomish School District
Snohomish County

Schola Grade B · Above average

Letter grade (A–F) · compared with 368 Washington middle schools · How we grade
Test scores46% proficient in math & reading
67thpercentile
Equity27% of low-income students proficient
44thpercentile
Attendance28% chronically absent
70thpercentile
Class size21.5 students per teacher
15thpercentile

Percentiles compare this school with other Washington middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Centennial Middle School

Centennial Middle School is a public middle school in Snohomish, Washington, serving grades 7–8. It is part of Snohomish School District. The school is located in a midsize suburb in Snohomish County.

In the 2024–25 school year, 734 students were enrolled, with about 21.5 students for every full-time teacher. That ratio is larger than the typical Washington middle school (19.1 students per teacher). Its Schola Grade is B (above average), compared with 368 Washington middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 7–8

Location & nearby schools

3000 South Machias Road
Snohomish, WA 98290
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School details

Type
Public School · What this means
Level
Middle
Grades offered
7–8
Enrollment (2024–25)
734 students
Students per teacher
21.5 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Midsize
School district
Snohomish School District
County
Snohomish County
NCES school ID
530802000540

Schools near Centennial Middle School

All 21 schools in Snohomish →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.