Summary:
There is one elementary school serving zip code 83539: Clearwater Valley Elementary, located in Kooskia, Idaho, serving grades PK through 6 with 117 students in the Mountain View School District. This small, rural school operates with a student-teacher ratio of 15.3 and spends about $10,390 per student. The school serves a high-poverty population, with 68.38% of students qualifying for free or reduced-price lunch, a factor that provides important context for interpreting test scores and attendance data.
Despite the high poverty rate, Clearwater Valley Elementary shows relative strength in English Language Arts. In the 2025-2026 school year, its ELA proficiency was 50.7%, close to the state average of 54.0% and within a few points of the district's 52.9%. In math, the school improved from 34.8% to 38.0% between 2024-2025 and 2025-2026, a gain that stands out because the district's math proficiency fell from 41.9% to 37.4% over the same period. The school even edged past the district in math by a small margin. In the prior year, Clearwater Valley had trailed the district by 7.1 points in math while leading it by 2.4 points in ELA, showing a shifting balance between subjects.
Chronic absenteeism is a metric worth monitoring. The school's only reported rate was 20.7% in 2020-2021, a pandemic-disrupted year, while the district's latest rate of 15.6% is above the state's 13.8%. Historically, the school has been a stable, mid-range performer in Idaho, placing in the 36th percentile in 2016-2017 with a 2-star rating, and in the 29th percentile in 2012-2013 with 1 star. Overall, Clearwater Valley Elementary is a small, high-poverty rural school with encouraging recent momentum in math and solid ELA performance. Families should view this as a school that is holding its own against state averages while keeping an eye on math instruction and attendance moving forward.
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