Serving 919 students in grades 6-8, Chinook Middle School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 36% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 59% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 21:1 is higher than the Washington state level of 16:1.
Minority enrollment is 45% of the student body (majority Hispanic), which is lower than the Washington state average of 52% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 6-8
- Enrollment: 919 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 45%
- Overall Testing Rank: Top 50% in WA
- Math Proficiency: 36% (Btm 50%)
- Reading Proficiency: 59% (Top 50%)
- Science Proficiency: 42% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Chinook Middle School's student population of 919 students has stayed relatively flat over five school years.
The teacher population of 44 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
919 students
Gender %
Total Classroom Teachers
44 teachers
School Rankings
Chinook 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 Chinook Middle School is 0.58, 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
#922 out of 2088 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
36%
41%
Reading/Language Arts Test Scores (% Proficient)
59%
53%
Science Test Scores (% Proficient)
42%
49%
Student-Teacher Ratio
21:1
16:1
American Indian
1%
1%
Asian
3%
9%
Hispanic
34%
26%
Black
1%
5%
White
55%
48%
Hawaiian
n/a
2%
Two or more races
6%
9%
All Ethnic Groups
Eligible for Free Lunch
51%
49%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Chinook Middle School's ranking?
Chinook Middle School is ranked #922 out of 2,088 schools, which ranks it among the top 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
36% of students have achieved math proficiency (compared to the 41% WA state average), while 59% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Chinook Middle School?
919 students attend Chinook Middle School.
What is the racial composition of the student body?
55% of Chinook Middle School students are White, 34% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Chinook Middle School?
Chinook Middle School has a student ration of 21:1, which is higher than the Washington state average of 16:1.
What grades does Chinook Middle School offer ?
Chinook Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Chinook Middle School part of?
Chinook Middle School is part of Kennewick School District.
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