Summary:
ZIP code 95409 has two middle schools enrolling 853 students in total: Santa Rosa Accelerated Charter serves grades 5–6, and Rincon Valley Middle serves grades 7–8. Both schools’ 2025–2026 all-grades results were above the state figures, but they serve different grades, so their overall scores are not a same-grade comparison. The clearest standout is Santa Rosa Accelerated Charter, which was well above the state in all three subjects.
Santa Rosa Accelerated Charter had the higher reported all-grades results: 83% in ELA, 82% in math and 78% in science, compared with 56%, 43% and 42% at Rincon Valley Middle. The gaps were 27 points in ELA, 39 in math and 36 in science. Santa Rosa’s results were 34, 44 and 42 points above the state, while Rincon’s were 7, 4 and 6 points above. Grade-by-grade comparisons also favor Santa Rosa: its results exceeded state figures by 32 to 50 points in the subjects and grades reported. Rincon’s grade 7 results were above state figures, but grade 8 ELA was 2 points below the state.
Results moved in different directions over time. From 2024–2025 to 2025–2026, Rincon rose 2 points in ELA, 4 in math and 1 in science; Santa Rosa fell 8, 6 and 3 points, respectively, but remained well above the state. SchoolDigger’s percentile for Rincon also edged down, from 75 in 2023–2024 to 71 in 2025–2026. Context differs, too: Santa Rosa enrolls 128 students and has a 32:1 student–teacher ratio, compared with Rincon’s 725 students and 23:1 ratio. For 2024–2025, free/reduced lunch eligible was 15% at Santa Rosa and 34% at Rincon; these are reported school measures, not explanations for test results.
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