Cascade Middle School

Cascade Middle School is one of the moderately sized 6-8 campuss in Seattle, Washington, operated by Highline School District, with 671 students on its rolls from grades 6 through 8.

Cascade Middle School is one of 36 schools operated by Highline School District, a district that caters to 18,072 students overall.

Looking at the student body, Cascade Middle School shows that 49% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Beyond that, the school logs 23% Asian, 11% Black, 8% multiracial, 7% White. By comparison, King County as a whole is about 11% Hispanic, so the school skews visibly more Hispanic than its surroundings.

Looking at school resources, On paper, Cascade Middle School has 40 full-time-equivalent teachers, translating to a class-load average of around 16.9:1. That figure is tighter than the state norm's 18.9:1 average. About 73% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is above King County's rate of about 38%.

On a residual basis (actual vs predicted given the student mix), Cascade Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 31.0%, the actual is 20.5%, a residual of -10.5 points.

Zooming out to the county, the surrounding county (King County) logs that median household income runs about $124,746, roughly 57% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. In all, King County runs 544 public schools (combined enrollment of about 278,492 students), of which Cascade Middle School is one.

Nearest neighbor: Evergreen High School, around 0.2 miles off. Counting just inside five miles, 8 other public schools cluster around Cascade Middle School. Ranking that nearby cluster on reported proficiency puts Cascade Middle School at 5th of 6; the average score across the group is 28.7%.

The campus sits in a bedroom-community setting.

Looking at the recent track record. Over the past 7-year window, the student count expanded 18%: 571 students in 2018 compared to 671 in 2025. The Asian share of enrollment increased from 19% to 23% over that span.

On this page, members of the Cascade Middle School community share and discuss classroom updates, athletics, and weather closures. Members of the school community can share what they know.