Summary:
ZIP code 95363 has two high schools, Patterson High and Del Puerto High, and both serve grades 9–12. Their reported outcomes show that families will find sharply different academic and attendance profiles within this small group: the schools’ 2025–2026 ELA proficiency rates differ by 49 percentage points, and chronic absenteeism differs by 52 points. The most important finding is that outcomes vary substantially by school, rather than presenting a consistent picture across the ZIP code.
Patterson High stands out at the top of this comparison: in 2025–2026, 60% of students were proficient in ELA, compared with 12% at Del Puerto High; Patterson also led by 23 points in math (23% versus 0%) and 16 points in science (21% versus 5%). Patterson’s ELA result was 11 points above the state rate, while its math and science results were 15 points below. Del Puerto was below the state in all three subjects, by 38 points in ELA, 38 in math and 31 in science. Patterson also had the higher graduation rate, 96% versus 79%, and lower chronic absenteeism, 15% versus 67%. SchoolDigger ranks Patterson at the 50th percentile with 3 stars, and Del Puerto at the 5th percentile with 0 stars.
Recent test-score movement is mixed: across the two schools, average science proficiency rose from 7% to 13% between 2024–2025 and 2025–2026, while the math average fell from 13% to 12% and ELA remained about 36%. The science gap with the state narrowed, but the math gap widened. Patterson’s own science result rose 8 points, while its ELA and math results fell 2 and 4 points; Del Puerto’s science and ELA improved 5 and 2 points, while its math remained at 0%. As context, in 2024–2025 both schools reported free/reduced lunch eligible: 74% at Patterson and 84% at Del Puerto. Del Puerto’s student-teacher ratio was 13.7, compared with 20.7 at Patterson; these are differences in reported figures, not explanations for outcomes.
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