Summary:
Zip code 94546 has 15 schools—nine elementary, two middle, three high and one alternative—with 9,548 students reported, including schools in Castro Valley Unified. Across schools with reported scores, average proficiency is 63% in ELA, 59% in math and 53% in science, compared with state figures of 49%, 38% and 36%. The most important takeaway is that results vary sharply from school to school, especially in math, where the gap between the top and bottom reported results is 81 points.
Jensen Ranch Elementary leads the reported all-grades results, with 89% proficient in ELA, 84% in math and 74% in science; its SchoolDigger ranking is at the 99th percentile. At the other end, Redwood Continuation High reports 21% in ELA, 3% in math and 8% in science. Jensen’s lead over Redwood is 68 points in ELA, 81 in math and 65 in science. Proctor Elementary is another standout, with 83% proficient in math. Among middle schools, Creekside Middle exceeds Canyon Middle in every listed same-grade subject, including a 28-point math advantage in grade 7.
Recent school averages were nearly flat in ELA and math from 2024–25 to 2025–26, while science rose 7 points. That overall science gain includes a 30-point increase at Vannoy Elementary and a 25-point increase at Palomares Elementary; results did not improve everywhere. SchoolDigger rankings also show longer-term gains for Jensen Ranch, which moved from the 95th to the 99th percentile, while Palomares fell from the 80th to the 70th. As context, the elementary schools report free/reduced lunch eligible figures for 2024–25: Jensen Ranch is at 20%, compared with 30% at Proctor and 36% at Palomares. These figures sit alongside varied results and do not explain them.
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