Summary:
Schools in ZIP code 95249 include seven schools: one elementary, four high schools, and two alternative schools, with no standalone middle school; together they enroll 1,648 students, from 8 at Oakendell Community to 703 at Calaveras High. The schools serve different grade spans, and the most important finding is that results vary considerably: Mountain Oaks leads reported all-grades tests, while most local averages remain below state results.
Mountain Oaks stands out across all three reported subjects, with 41% proficient in ELA, 22% in math, and 38% in science. Those scores exceed the other reported schools’ averages by 17, 10, and 20 percentage points, respectively; its science score is 2 points above the state, though its ELA and math are 8 and 16 points below. At the lower end, San Andreas Elementary has the lowest reported ELA score at 22% and science at 8%, while Sierra Hills has the lowest reported math score at 7%. Some schools have no reportable all-grades scores.
Recent results show both declines and exceptions: among schools with scores in both years, average ELA fell 1 point and math fell 1 point from 2024–2025 to 2025–2026, while science fell 8 points. Mountain Oaks bucked the ELA trend, gaining 7 points, while Sierra Hills fell 9 points. School context also differs: in 2024–2025, Mountain Oaks’ student-teacher ratio was 50.4, compared with 4.1 at Calaveras River Academy; ratios alone do not identify stronger reported test results. Free/reduced lunch eligible figures for 2024–2025 were 53% at Mountain Oaks and 70% at San Andreas. Attendance also separates schools: chronic absenteeism was 6% at Sierra Hills and 8% at Mountain Oaks, compared with 87% at Gold Strike High and 93% at Calaveras River Academy.
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