Summary:
Upper Lake Unified has four schools serving kindergarten through grade 12: Upper Lake Elementary (K–5), Upper Lake Middle (6–8), Upper Lake High (9–12), and Clover Valley High (Continuation) (9–12). The clearest academic bright spot is High’s ELA result: 46% proficient in 2025–26, close to the state’s 49%; still, each of the three schools with reported scores was below the state in ELA, math, and science.
Upper Lake High led in All Grades ELA and science, with 46% and 20% proficient, respectively; those results were 3 and 16 percentage points below the state. Upper Lake Elementary led in math at 19%, 19 points below the state. Upper Lake Middle had the lowest ELA and math results, at 15% and 8%—34 and 31 points below the state. High also had a 97% graduation rate, compared with 88% statewide, but chronic absenteeism was 49%, versus 18% statewide. Clover Valley had the highest reported chronic absenteeism, 96%; supplied data include no test scores or current-year graduation and dropout rates for that school.
Results are changing unevenly: High’s ELA score rose 20 percentage points from 2024–25 to 2025–26, helping the three-school average ELA gap to the state narrow by 7 points. By contrast, the average math gap widened by 1 point and the science gap by 2 points. SchoolDigger’s statewide rankings also differ: High rose from the 23rd percentile in 2024–25 to the 34th in 2025–26, while Middle fell from the 14th percentile in 2023–24 to the 3rd. As context, 2024–25 free/reduced lunch eligibility was 81%–84% at Elementary, Middle, and High, and 93% at Clover Valley; student-teacher ratios ranged from 20.9 at Elementary to 14.1 at Clover Valley.
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