Summary:
ZIP code 93036 has six elementary schools in the Rio Elementary district, serving kindergarten through grade 5 or kindergarten through grade 8, with 3,487 students combined. Their reported 2025–2026 results vary widely, and Rio del Sol is the clear academic standout across the core subjects and shared tested grades.
Rio del Sol leads the all-grades results with 58% in ELA, 46% in math and 39% in science—about 9, 8 and 3 percentage points above state results, respectively. Its advantage over the other five schools’ averages is larger: 29 points in ELA, 22 in math and 19 in science. At the other end, Rio Plaza Elementary is lowest in all three subjects, at 19% in ELA, 15% in math and 7% in science; those results are 30, 23 and 29 points below the state. Among the K–5 schools, Rio Del Mar leads in all three subjects, with 35% in ELA, 33% in math and 31% in science.
Across the six schools, average results rose between 2024–2025 and 2025–2026 by about 1 point in ELA, 1 in math and 4 in science, but individual results were mixed: Rio Real Elementary’s ELA fell 5 points, and Rio Plaza Elementary’s science fell 6. SchoolDigger’s statewide ranking places Rio del Sol at the 68th percentile and Rio Plaza Elementary at the 5th. Attendance offers another point of comparison: chronic absenteeism is 26% at Rio Del Mar, versus 11% at Rio Real Elementary. The reported free/reduced lunch eligible measure for 2024–2025 ranges from 55% at Rio del Sol to 88% at Rio Plaza Elementary; these figures provide context, not an explanation for school results. All-grades comparisons combine different grade spans, so they are not perfectly like-for-like.
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