Summary:
Zip code 96023 has one listed elementary school: Butte Valley Elementary, a K–8 school in Butte Valley Unified. With no other local school in the list, parents cannot compare nearby schools directly. In 2025–2026, the school’s all-grade proficiency was 13% in English language arts (ELA), 8% in mathematics and 3% in science, compared with 49%, 38% and 36% statewide. The most important finding is that the school was substantially below California in all three subjects, with the largest gap in ELA: 37 percentage points.
Butte Valley Elementary is both the highest- and lowest-scoring school in this one-school list, so those labels do not distinguish it from local peers. Results vary by grade: fifth-grade mathematics was the closest comparison with the state, at 14% versus 37% (22 points lower), while seventh-grade ELA had the widest gap, at 9% versus 51% (41 points lower). Within the school, sixth- and eighth-grade ELA were highest at 17%, while fourth- and eighth-grade mathematics were 0%.
Results fell from 2024–2025 to 2025–2026 as statewide results rose: the school declined 4 points in ELA, 2 in mathematics and 8 in science, while its gap with the state widened by 4, 3 and 12 points, respectively. Science had the steepest decline. SchoolDigger’s ranking also moved downward, from the 7th percentile (rank 5,469 of 5,869) in 2023–2024 to the 1st percentile (5,732 of 5,804) in 2025–2026. As context, in 2024–2025, 87% of students were eligible for free or reduced-price lunch; the school had 219 students and a 28:1 student-teacher ratio. In 2025–2026, chronic absenteeism was 25%, below the district’s 27% but above the state’s 18%. These figures provide context, not an explanation for test results; the single-school list does not allow local school-to-school comparisons.
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