Summary:
Cloverdale Unified has one listed elementary school, Jefferson Elementary, serving kindergarten through grade 4; it enrolled 487 students and had a student–teacher ratio of 22.1:1 in 2024–25. In 2025–26, its all-grades proficiency was 28% in English language arts (ELA) and 23% in math, compared with 26% and 17% for Cloverdale Unified, and 49% and 38% statewide. The key takeaway is that Jefferson is ahead of its district in both subjects but remains well below California’s averages.
There are no other listed schools to compare, so Jefferson is both the only school and the only point of reference for the area. Within the school, grade 3 results were stronger than grade 4 results in both subjects: ELA proficiency was 32% in grade 3 and 24% in grade 4, while math was 30% and 16%, respectively—a 7-point ELA drop and a 14-point math drop. Attendance is a relative strength: chronic absenteeism was 13%, below the district’s 16% and the state’s 18% in 2025–26. The grade-level pattern makes grade 4 math the clearest area of concern.
Recent results moved in different directions: ELA proficiency rose from 23% in 2024–25 to 28% in 2025–26, while math fell from 26% to 23%. ELA’s gap with the state narrowed by 4 percentage points, but math’s widened by 4 points. SchoolDigger ranked Jefferson in the 36th percentile with 2 stars in 2023–24, then in the 16th percentile with 1 star in 2024–25 and the 17th percentile with 1 star in 2025–26—a small recovery after a substantial drop. As context, 57% of students were reported as free/reduced lunch eligible in 2024–25.
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