Summary:
Zip code 83833 in rural Harrison, Idaho, is served by a single high school: Kootenai Junior/Senior High School, a combined 6–12 campus enrolling 111 students and operating as part of the effectively single-school Kootenai District.
Because there is only one school, it stands out both positively and negatively. On the positive side, science proficiency was a strong 55.2% in 2024–2025 versus 42.6% statewide, and ELA proficiency hit 60% compared to 53.9% statewide. The school also offers a very low student-teacher ratio of 11.1:1 and spends a substantial $19,682 per student. However, more recent 2025–2026 results show declines: math proficiency fell to 36.7% (below the 43.1% state average) and ELA dropped to 52.1% (below the 54.0% state average). Chronic absenteeism is also a concern at 22.1%, far higher than the state's 13.8%, which roughly translates to 25 students missing significant school time in a small building.
Long-term trends reveal a significant ranking decline: the school was a 5-star, 96th-percentile school in 2012–2013, but by 2024–2025 it had fallen to a 3-star, 63rd-percentile rating. Notable bright spots in the latest grade-level data include 7th-grade ELA at 58.8% proficiency, above the state's 56.8%, while 6th and 7th grade math trail the state by 4 to 8 points. The graduation rate of 82.5% exactly matches both district and state averages. With one-third of students receiving free/reduced lunch and the combined junior/senior high structure, the school faces real challenges. The priority areas for parents to watch are improving math outcomes, tackling chronic absenteeism, and reversing the recent downward academic trend, especially given the school's abundant per-student resources.
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