Summary:
ZIP code 95425 has one listed elementary school, Jefferson Elementary, serving kindergarten through grade 4 with 487 students in Cloverdale Unified. The clearest concern is that Jefferson’s 2025–2026 proficiency was below California’s in every reported subject and grade, with the largest gap in fourth-grade math.
Since Jefferson is the only school listed, there is no local school-to-school comparison: it is both the area’s top and bottom school by default. In the all-grades results, 28% were proficient in ELA and 23% in math, compared with 49% and 38% statewide—gaps of 21 and 15 percentage points. The grade-level results show grade 4 as the weakest point: Jefferson’s math proficiency was 16%, versus 42% statewide, a 27-point gap. Its other state gaps were 13 points in grade 3 ELA, 22 in grade 4 ELA, and 17 in grade 3 math. Jefferson did exceed district results by 2 points in ELA and 6 in math.
Recent results moved in opposite directions by subject: ELA improved while math declined. From 2024–2025 to 2025–2026, Jefferson’s ELA proficiency rose from 23% to 28%, narrowing its state gap by 4 points; math fell from 26% to 23%, widening its state gap by 4 points. SchoolDigger ranked Jefferson at the 17th percentile with one star in 2025–2026, after a 36th-percentile, two-star rating in 2023–2024 and a 16th-percentile, one-star rating in 2024–2025. Its student–teacher ratio was 22.1 in 2024–2025. That year, 57% of students were reported as free/reduced lunch eligible; this is context, not an explanation for test results. Chronic absenteeism was comparatively low in 2025–2026: 13%, versus 16% in the district and 18% statewide.
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