Serving 734 students in grades 7-8, Centennial Middle School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 41% (which is equal to the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 52% (which is lower than the Washington state average of 53%).
The student-teacher ratio of 22:1 is higher than the Washington state level of 17:1.
Minority enrollment is 29% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 7-8
- Enrollment: 734 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 29%
- Overall Testing Rank: Top 50% in WA
- Math Proficiency: 41% (Top 50%)
- Reading Proficiency: 52% (Top 50%)
- Science Proficiency: 44% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Centennial Middle School's student population of 734 students has stayed relatively flat over five school years.
The teacher population of 34 teachers has declined by 8% over five school years.
Grades Offered
Grades 7-8
(No virtual instruction)
(No virtual instruction)
Total Students
734 students
Total Classroom Teachers
34 teachers
School Rankings
Centennial Middle School ranks within the top 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Centennial Middle School is 0.47, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#945 out of 2088 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
41%
41%
Reading/Language Arts Test Scores (% Proficient)
52%
53%
Science Test Scores (% Proficient)
44%
49%
Student-Teacher Ratio
22:1
17:1
American Indian
1%
1%
Asian
4%
9%
Hispanic
16%
27%
Black
1%
5%
White
71%
47%
Hawaiian
1%
2%
Two or more races
6%
9%
All Ethnic Groups
Chronically Absent Students
(22-23)27.3%
34.7%
Eligible for Free Lunch
20%
39%
Eligible for Reduced Lunch
8%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Centennial Middle School's ranking?
Centennial Middle School is ranked #945 out of 2,088 schools, which ranks it among the top 50% of public schools in Washington.
What schools are Centennial Middle School often compared to?
Centennial Middle Schoolis often viewed alongside schools like Valley View Middle School, Park Place Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
41% of students have achieved math proficiency (compared to the 41% WA state average), while 52% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Centennial Middle School?
734 students attend Centennial Middle School.
What is the racial composition of the student body?
71% of Centennial Middle School students are White, 16% of students are Hispanic, 6% of students are Two or more races, 4% of students are Asian, 1% of students are American Indian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Centennial Middle School?
Centennial Middle School has a student ration of 22:1, which is higher than the Washington state average of 17:1.
What grades does Centennial Middle School offer ?
Centennial Middle School offers enrollment in grades 7-8 (No virtual instruction).
What school district is Centennial Middle School part of?
Centennial Middle School is part of Snohomish School District.
School Reviews
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