Summary:
ZIP code 95621 has one middle school, Sylvan Middle, serving grades 6–8 and 604 students. In 2025–2026, about 31% of students were proficient in English language arts (ELA), 13% in mathematics, and 20% in science. Those results were below San Juan Unified and California in every subject. The most important concern is mathematics: Sylvan’s score was 26 percentage points below the state’s, its largest gap.
There is no school-to-school standout because Sylvan is the only school listed; comparisons are with district and state results. Science was closest to the state, at 20% proficient versus 36% statewide, a 16-point gap; the ELA gap was 19 points, and the mathematics gap was 26. Grade results show some variation: seventh-grade ELA was highest at 37%, while eighth-grade mathematics was the school’s strongest math result at 18%; both remained below same-grade state results. Chronic absenteeism is also notably higher than comparison rates: 36% at Sylvan in 2025–2026, compared with 21% in the district and 18% statewide.
Results improved from 2024–2025 to 2025–2026: proficiency rose about 5 points in ELA, 2 points in mathematics, and 5 points in science, while Sylvan’s state gaps narrowed in all three subjects. The remaining mathematics gap is still the widest. SchoolDigger gave Sylvan 1 star in each of the past three years and ranked it in the 17th percentile in 2025–2026, after the 18th percentile in 2023–2024 and 13th in 2024–2025. The student–teacher ratio was 22.3 in 2024–2025, and 64% of students were free/reduced lunch eligible that school year; these are context, not explanations for achievement. With only one school listed, the data cannot show how Sylvan compares with other local middle schools.
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