Summary:
The nine schools in Perris Union High include eight high schools, one middle school serving grades 7 and 8, and an adult-life-skills program in Perris. In 11th grade, the seven high schools with results average 45% in English language arts (ELA), 21% in math and 26% in science, compared with California’s 57%, 32% and 38%. Results vary sharply from school to school, so the area averages do not describe every student’s options; the most important finding is that the school a student attends makes a substantial difference in reported proficiency.
Paloma Valley High leads 11th-grade ELA at 61%, above the state’s 57%, while California Military Institute (CMI) is close behind at 61% and has the area’s top science result, 36%—still below the state’s 38%. Inland Online Academy leads math at 63%, compared with 32% statewide, though it enrolls just 19 students. At the other end, Perris Lake High (Continuation) scores 8% in ELA, 2% in math and 3% in science, the lowest 11th-grade results in all three subjects. Pinacate Middle also trails state results in its reported middle-school grades.
Recent changes are mixed, not a broad move toward state results: ELA gaps widened at seven of eight schools, and math gaps widened at five of seven schools other than Inland. SchoolDigger’s ranking percentile rose 52 points for Inland and 21 for CMI from 2023–24 to 2025–26, while it fell 12 points for Heritage High and six for Paloma Valley. Context varies too: free/reduced lunch eligibility in 2024–25 was 90% at CMI, 64% at Paloma Valley and 81% at Heritage; these figures describe school context, not a cause of results. One caveat: Pathways for Adult Life Skills has no reported test scores.
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