Summary:
ZIP code 95823 has four public high schools serving grades 9–12: two large schools, Valley High and Luther Burbank High, and two much smaller ones, William Daylor High and Rio Cazadero High. The four-school average in 2025–2026 was below the state in all three subjects: 24% in English, 18% in math, and 11% in science, compared with 49%, 38%, and 36% statewide. The biggest average shortfall was in English, at 25 percentage points below the state.
Valley stands out in English and science, with 44% and 25% proficient—the highest results in the group—and leads the next school by 15 points and 9 points, respectively. Daylor leads in math at 31%, 7 points ahead of Valley, despite results of 17% in English and 3% in science. Burbank ranks second among these schools in all three subjects, while Rio Cazadero is lowest in all three, at 8% in English, 8% in math, and 0% in science.
Recent changes are mixed: the four-school math average rose 6 points from the prior year, while English fell 3 points and science rose 1 point. Daylor’s math increase was especially large, up 23 points; Burbank improved in all three subjects, while Rio declined in all three. SchoolDigger’s statewide percentile ranking moved from 2023–2024 to 2025–2026 from 39 to 43 for Valley, 37 to 26 for Burbank, 10 to 26 for Daylor, and 7 to 10 for Rio. The two smaller schools have lower student-teacher ratios—15.3 at Daylor and 12.6 at Rio, compared with 19.6 at Valley and 18.6 at Burbank—but very different math results. The reported free/reduced lunch eligible shares for 2024–2025 were 79% at Valley, 74% at Burbank, 96% at Daylor, and 80% at Rio; these figures provide context, not a direct explanation of school results. The smaller schools enroll 139 and 120 students, so their percentages may reflect small student counts.
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