Summary:
ZIP code 98826 has one middle school, Icicle River Middle School, serving students in grades 6–8 in the Leavenworth area through the Cascade School District. The school enrolls 258 students, reports a 13:1 student-teacher ratio, and serves a community where 48.84% of students participate in the free or reduced-price lunch program.
Icicle River Middle School is performing considerably better than Washington’s statewide averages. In 2025–2026, 63.39% of students were proficient in English language arts, 52.76% in math, and 57.30% in science—about 6 to 11 percentage points above the state in each subject. The school ranked 96th out of 514 Washington schools, placing it around the top 19% statewide. Its standing has improved notably, moving up from 168th in 2023–2024 and increasing from a three-star to a four-star rating.
For parents, the strongest results are concentrated in seventh grade: 69.88% of students were proficient in ELA and 65.06% in math, with both results slightly exceeding the Cascade School District averages. Eighth-grade math is the clearest area to watch, with 46.07% proficiency, although that still exceeded the state rate. ELA remained essentially stable year over year, math dipped slightly, and science improved sharply by 9.11 percentage points. Overall, the school offers strong statewide performance and positive momentum, while families may want to ask about support for eighth-grade math and how the recent science gains are being sustained.
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