Summary:
Alturas Preparatory Academy Inc is a single-school district located in Idaho Falls, ID, serving grades 6 through 12 at its only school, Alturas Preparatory Academy, which enrolls 463 students with a student-teacher ratio of 16.6. Because the district is composed of just one school, all district-level metrics mirror the school’s performance. The district holds a 4-star rating and ranks 14th out of 101 Idaho districts, placing it in the 86th percentile. Over the past three years, the school’s ranking has improved from the 61st percentile in 2023–2024 to the 75th percentile in 2025–2026, while its star rating increased from 3 to 4 stars.
Academically, Alturas Preparatory Academy consistently outperforms the state in most subjects. Science is a clear strength: 58.5% of students are proficient in science versus 42.7% statewide, and End-of-Course Science proficiency reaches 63.6% compared to 41.2% statewide—a 22.4-point advantage. The school also excels in 8th grade ELA, with 73.8% proficient versus 54.5% for Idaho, and maintains above-average math scores in every grade level, including a 50.8% all-grades math proficiency rate versus 43.1% statewide. From 2024–2025 to 2025–2026, math and science proficiency improved substantially, and overall state ranking climbed accordingly.
Despite these strong results, there are notable concerns. Chronic absenteeism stands at 25.8%, nearly double the Idaho state rate of 13.8%, meaning roughly one in four students is chronically absent. The only academic area below state average is 7th grade ELA (54.9% vs. 56.8%), which may reflect a cohort-specific challenge. Graduation rate is 82.5%, exactly matching the state average, and End-of-Course Math proficiency (41.2%) is the school’s lowest math score, though still above the state’s 33.1%. Overall, Alturas Preparatory Academy offers strong academics, especially in science and 8th grade literacy, but addressing absenteeism and the 7th grade ELA dip will be key to sustaining its upward trajectory.
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