Summary:
ZIP code 98606 has one middle school, Hockinson Middle School, serving grades 6–8 in the Brush Prairie area through the highly ranked Hockinson School District. The school enrolls about 480 students and offers a strong overall academic profile, with performance above Washington state averages in English language arts, math, and science.
In 2025–2026, Hockinson Middle School reported proficiency rates of 62.96% in English language arts, 57.97% in math, and 79.63% in science. Compared with state results, the school was ahead by 10.15 percentage points in English language arts, 14.86 points in math, and 28.68 points in science. Science is the clearest strength, and its results improved substantially from the previous year. Math remained nearly unchanged, while English language arts declined from 67.16% to 62.96%, making that subject worth monitoring. The school also performed slightly above district averages in all three subjects.
Achievement generally increased across grade levels, with 8th grade standing out as the strongest. Eighth-grade proficiency reached 76.40% in English language arts and 69.33% in math, compared with statewide rates of 50.90% and 38.80%, respectively; 8th-grade science proficiency was 79.63%. Sixth-grade English language arts was the main relative weakness at 45.71%, slightly below the state’s 48.27%, while sixth- and seventh-grade math exceeded state averages. The school has maintained a stable 4-star rating and ranked around the top 16%–17% of Washington schools over the past three years. Overall, families will find one consistently strong middle-school option in the ZIP code, especially for science and upper-grade academic performance.
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