Summary:
Zip code 91711 has one middle school, El Roble Intermediate, serving grades 7–8 with 952 students; it is part of the Claremont Unified district. In 2025–2026, the school’s proficiency was 64% in English language arts (ELA), 57% in math and 53% in science, compared with state results of 49%, 38% and 36%, respectively. The most important finding is that El Roble exceeded state results in all three subjects, with its largest advantage in math: 19 percentage points.
There is no local top or bottom school to compare: El Roble is the only school in the list, so it is the sole observation rather than a peer-group leader. Against the district, its results were close: El Roble was 0 percentage points below in ELA, 3 points above in math and 1 point below in science. Within the school, eighth-grade math stands out most against the state, with a 22-point advantage; the eighth-grade ELA advantage was 14 points. SchoolDigger rated El Roble four stars and ranked it 394th of 2,703 schools statewide, in the 85th percentile, in 2025–2026.
Results moved in different directions by subject from 2024–2025 to 2025–2026: El Roble’s ELA proficiency fell by 1 percentage point, while math and science each rose by 2 points. Its average advantage over the state across the three subjects narrowed by 1 point, although its math advantage grew by 1 point. SchoolDigger’s ranking has been broadly steady: 407th of 2,783 schools (85th percentile) in 2023–2024, 382nd of 2,761 (86th percentile) in 2024–2025 and 394th of 2,703 (85th percentile) in 2025–2026. Other context includes a 22.8 student–teacher ratio in 2024–2025 and 36% free/reduced lunch eligible that year; chronic absenteeism was 12% in 2025–2026, versus 14% for the district and 18% statewide. With only one school listed, these figures cannot show how schools compare across the ZIP code.
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