Summary:
ZIP code 91411 has two Los Angeles Unified elementary schools, Kester Avenue Elementary and Sylvan Park Elementary; both serve kindergarten through fifth grade. Their 2025–2026 results show that families will find different academic profiles within the same ZIP code: Kester was stronger across all three reported subjects, while Sylvan’s clearest relative strength was math. The central takeaway is that the gap between the schools is especially wide in science, where their all-grades results differ by 54 percentage points.
Kester stands out for consistently high proficiency: 80% in ELA, 72% in math, and 72% in science—about 31, 34, and 36 points above state results, respectively. Sylvan had 45% proficiency in ELA, 49% in math, and 19% in science. Its math result was 11 points above the state, but its ELA result was 4 points below and its science result 17 points below. The school-to-school gaps were 35 points in ELA and 23 in math, with the largest gap in science at 54 points; fifth-grade science showed the same contrast, at 72% for Kester and 19% for Sylvan.
Recent results strengthened Kester’s science performance, up 11 points from 2024–2025, while Sylvan’s fell 5 points; Sylvan’s math rose 4 points, and its ELA was nearly unchanged. SchoolDigger ranked Kester in the 94th percentile statewide in 2025–2026, compared with Sylvan in the 57th percentile; over three years, their rankings rose by 2 and 24 percentile points, respectively. As context, both schools reported “free/reduced lunch eligible” for 2024–2025: 47% at Kester and 97% at Sylvan. Student-teacher ratios were 24.6 at Kester and 20.7 at Sylvan. Chronic absenteeism was lower at Kester—9% versus 17% at Sylvan—in 2025–2026, though both were below the district rate.
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