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Chinook Middle School
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Chinook Middle School
Chinook Middle School operates as an average-sized junior high in Bellevue, Washington, part of Bellevue School District. Current enrollment sits at 752 students spanning grades 6 through 8. Enrollment runs roughly 30% bigger than the state mean of about 577.
Across the 30 schools in Bellevue School District (20,339 students total), Chinook Middle School accounts for its share of the district's footprint.
On the student-mix side, Chinook Middle School records that the most-represented group is Asian (35%), with the rest of the student body spread across multiple groups. Other groups include 35% White, 13% Hispanic, 12% multiracial, 5% Black. The wider county runs roughly 21% Asian, putting the school's mix visibly more Asian than the area baseline.
On the income-and-resources front, The school currently runs with 40 full-time-equivalent teachers, for a student-teacher ratio near 18.7:1. That tracks the state average closely. An estimated 24% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against King County (around 38%), the school's rate is meaningfully below typical.
Adjusting for the school's free-and-reduced-lunch share, Chinook Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 64.1%, the actual is 62.8%, a residual of -1.3 points.
Around the school, ACS estimates for King County put the typical household earns roughly $124,746 per year, about 57% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. Chinook Middle School is one of 544 public schools in King County (combined enrollment of about 278,492 students).
Nearest neighbor: Clyde Hill Elementary, around 0.2 miles off. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Chinook Middle School ranks 6th on composite proficiency, behind the local average of 79.6%.
The school occupies a commuter-belt site.
Trend over the last 7 years. Chinook Middle School's enrollment has fell 24% since 2018, when it stood at 988 (now 752). White enrollment moved from 49% to 35% across the same window. The student-to-teacher ratio pulled in from 20.1:1 in 2018 to 18.7:1 today.
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