Summary:
ZIP code 93030 has 17 elementary schools: 16 in the Oxnard district and Rio Rosales in the Rio Elementary district; ten serve kindergarten through grade 5 and seven serve kindergarten through grade 8. Across the schools, average 2025–2026 proficiency was 34% in English language arts (ELA), 25% in math, and 23% in science, compared with state rates of 49%, 38%, and 36%. The averages were 15, 13, and 13 percentage points below the state, respectively. The most important finding is that a few strong results do not reflect the typical school in the area: most schools’ proficiency rates are well below state levels.
Norman R. Brekke Elementary leads all three subjects, with 52% in ELA, 50% in math, and 37% in science—about 3, 12, and 1 point above state rates. Thurgood Marshall Elementary is the closest all-grades competitor: 49% in ELA, 37% in math, and 36% in science, near the state rates; Brekke’s lead over Marshall is 3 points in ELA, 11 in math, and 1 in science. At the lower end, Ramona Elementary has the lowest ELA and science rates, at 21% and 8%, while Cesar E. Chavez Elementary has the lowest math rate, at 14%. Grade-level results can also reveal strengths: Marshall’s fifth-grade ELA proficiency is 68%, and Brekke’s fourth-grade ELA proficiency is 62%.
From 2024–2025 to 2025–2026, the school average was nearly flat in ELA, rose about 1 point in math, and rose 3 points in science; state rates also increased, so the area’s gaps remained about 15, 13, and 13 points. SchoolDigger’s statewide percentile rankings improved over three years for Brekke (61 to 67) and Marshall (62 to 64), while they fell for Rio Rosales (34 to 11) and Juan Lagunas Soria Elementary (43 to 32). Reported 2024–2025 free/reduced lunch eligible shares range from 74% at Brekke to 97% at Ramona; Chavez instead reports 65% directly certified for free meals, a different measure that is not directly comparable. Ratios also vary: Brekke reports 20.5 students per teacher, compared with 23.1 at Ramona and 23.2 at Rio Rosales, so these indicators offer context but do not sort schools neatly by results.
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