Summary:
Chelan Middle School is the only middle school in the Lake Chelan School District, serving grades 6–8 in Chelan, Washington. The school enrolls 285 students and reported a 13.7:1 student–teacher ratio and 61.4% free- or reduced-price lunch participation in 2024–2025, providing important context for families evaluating the school and its academic results.
Academically, Chelan Middle School performed better than the state in both English Language Arts and Math during 2025–2026. ELA proficiency was 57.25%, compared with 52.81% statewide, while Math proficiency was 49.62%, compared with 43.11% statewide. Math was a particular strength, improving by 7.55 percentage points from the previous year and exceeding the district by nearly 12 points. Sixth grade stood out, with 64.37% proficiency in ELA and 63.22% in Math. ELA performance remained above the state in seventh and eighth grades, although results were lower than in sixth grade. Seventh-grade Math was the main grade-level concern, at 40.63%, slightly below the statewide 41.31%.
Science is the clearest area for improvement. Only 40.51% of students were proficient in 2025–2026, about 10 points below the statewide result of 50.95%, even though the school improved modestly from the prior year. Families should also note the school’s improving ranking trend: it rose from the 43rd percentile in 2023–2024 to the 70th percentile in 2025–2026, with its rating increasing from two stars to four. Overall, the school shows strong and improving performance in Math and consistently solid ELA results, while Science—especially eighth-grade Science—deserves focused attention.
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