Summary:
ZIP code 92398 has two high schools in Silver Valley Unified: Silver Valley High serves grades 9–12 and enrolls 392 students, while Calico Continuation High serves grades 6–12 and enrolls 45. The schools’ results show a sharp divide: Silver Valley leads in proficiency, while Calico combines very low test results with exceptionally high chronic absenteeism.
Silver Valley is the stronger test-score performer: in 2025–26, its all-grades ELA result was 17 percentage points above the state, and science was 2 points above; math was 6 points below. Calico was below the state in all three subjects—by 33 points in ELA, 34 in math, and 36 in science. The lead remains substantial in grade 11, the fairest direct comparison: Silver Valley was ahead by 46 points in ELA, 26 in math, and 42 in science. Graduation results were strong at both schools—99% at Silver Valley and 100% at Calico, versus 88% statewide—but chronic absenteeism was 26% and 73%, respectively.
Recent trends differ: from 2024–25 to 2025–26, ELA rose from 63% to 66% at Silver Valley but fell from 29% to 16% at Calico; the equal-school ELA average declined by 4 percentage points. Silver Valley’s science result improved by 12 points over that period. SchoolDigger rates Silver Valley 4 stars (71st percentile) and Calico 1 star (14th percentile); their reported percentile histories show declines overall, despite a recent rebound for Silver Valley. As context, in 2024–25, free/reduced lunch eligible was 65% at Silver Valley and 93% at Calico; student-teacher ratios were 17.1 and 30.2.
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