Summary:
ZIP code 91906 has one listed elementary school, Campo Elementary, serving kindergarten through grade 6 with 359 students in the Mountain Empire Unified district. In 2025–2026, its all-grades proficiency was 25% in ELA, 17% in math and 11% in science. Those results were close to district levels, but below state results by 24, 22 and 25 percentage points, respectively. The most important finding is that Campo’s all-grades results trail the state in all three tested subjects.
There is no local top or bottom school to compare; Campo’s strongest results are in grade 3, while grade 6 is its weakest. Third-grade ELA was 44.2%, just 0.1 percentage point above the state’s 44.1%; third-grade math was 42%, 5 points below the state. By grade 6, ELA was 12% compared with 48% statewide, and math was 3% compared with 37%—gaps of 36 and 35 points. These grade differences show that the all-grades averages do not tell the whole story.
Recent results moved in different directions: ELA stayed at 25% from 2024–2025 to 2025–2026, math rose from 15% to 17%, and science fell from 20% to 11%. SchoolDigger ranked Campo 5,007 of 5,804 California elementary schools in 2025–2026, at the 14th percentile with 1 star; its rank improved by 31 places over two years, while its percentile and star rating stayed the same. Chronic absenteeism was 30%, compared with 20% in the district and 18% statewide. In 2024–2025, 47% of students were reported as free/reduced lunch eligible, and the student-teacher ratio was 22.1. California provides free meals to all students, but that statewide policy does not change the label or value of Campo’s reported measure.
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