Summary:
The Aberdeen District is served by exactly one high school, Aberdeen High School, a small public school of 213 students in grades 9–12 located in Aberdeen, ID. Without any other district high school for comparison, the school is best evaluated against Idaho state averages and its own multi-year trends. The Aberdeen District ranked 79th out of 101 Idaho districts (22nd percentile, 1 star), while Aberdeen High School ranked 95th out of 122 Idaho high schools for 2025–2026, also at the 22nd percentile with 1 star.
Aberdeen High School's most concerning trend is its sharp decline in state ranking: from the 52nd percentile (3 stars) in 2023–2024, to the 43rd percentile (2 stars) in 2024–2025, and down to the 22nd percentile (1 star) in 2025–2026. Academically, math and science are clear weaknesses. On the 2025–2026 ISAT End-of-Course exams, only 18.9% of students were proficient in math versus 33.1% statewide, and 24.5% were proficient in science versus 41.2% statewide. English Language Arts is more promising, with 58.5% proficiency in 2025–2026 (close to the 61.3% state average) and 66.7% proficiency on the 2024–2025 All Grades measure, well above the 53.9% state average. The school's graduation rate is 82.5%, and chronic absenteeism is 13.0%, slightly better than the state rate of 13.8%.
Economic context is important: 68.54% of students qualify for free or reduced lunch, reflecting significant poverty. On the positive side, the student-teacher ratio is a favorable 13.4:1, implying roughly 16 teachers for 213 students, which can support individualized instruction. The only available spending figure, $10,088 per student from 2018–2019, is outdated and lacks a state comparison, so it should be interpreted cautiously. Overall, Aberdeen High School presents a clear performance split — competitive ELA results alongside substantially below-average math and science scores, with the widening STEM gaps likely driving its recent drop in ranking.
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