Summary:
Zip code 95415 has one listed high school, Anderson Valley Junior-Senior High, serving grades 7–12 with 192 students. In 2025–26, 43% of students were proficient in ELA, compared with 49% statewide; proficiency was 23% in math versus 38% statewide, and 21% in science versus 36%. The school’s strongest all-grades subject is ELA, though its rate remains 7 percentage points below California’s.
As the only school in the list, Anderson Valley has no local school-to-school leader or trailing school; comparisons with the state and Anderson Valley Unified offer more context. A standout is 11th-grade ELA: 70% of students were proficient, 12 percentage points above the state rate. The contrast is sharp in 7th grade, where ELA proficiency was 20%, 31 points below the state. The school also had a 92% graduation rate, 4 points above California, and a 8% dropout rate, about half a point below the state. However, chronic absenteeism was 32%, 14 points above the state rate.
ELA improved most over time: from 32% in 2024–25 to 43% in 2025–26, narrowing its gap with the state from 17 to 7 points. Math was nearly unchanged, while its gap widened from 15 to 16 points; science dipped slightly as the state rate rose, widening the gap from 11 to 15 points. SchoolDigger’s ranking improved from 1,090 of 2,159 schools in 2023–24 to 756 of 2,137 in 2025–26; its percentile rose from 50 to 65 and its rating from 2 to 3 stars. Context figures include a 12.3 student-teacher ratio and 74% free/reduced lunch eligible in 2024–25; these describe the school, not the cause of its results.
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