Summary:
ZIP code 93311 has two public high schools, Stockdale High and Independence High; both serve grades 9–12 and enroll more than 2,300 students. Their similar size makes the marked differences in results notable. In 2025–26, both schools were above the state in English language arts (ELA), but the area’s clearest divide was in math and science: Stockdale scored substantially higher than Independence.
Stockdale stands out for the strongest proficiency results: it led Independence by 6 percentage points in ELA, 20 points in math, and 18 points in science. Its proficiency was 73% in ELA, 41% in math, and 51% in science; Independence recorded 68%, 21%, and 33%, respectively. Both were above the state in ELA, while Independence was below the state in math and science. SchoolDigger also ranks Stockdale higher: 349th of 2,137 schools, in the 84th percentile with 4 stars, compared with Independence at 849th, in the 60th percentile with 3 stars.
Recent test-score changes were mixed: from 2024–25 to 2025–26, Stockdale gained 1 percentage point in math and 3 in science but fell 1 in ELA; Independence gained 1 in ELA and 3 in math but fell 4 in science. SchoolDigger’s percentile history also differs: Stockdale moved from 79 to 85 to 84 over three years, while Independence went from 62 to 65 to 60. In 2024–25, the student–teacher ratios were 27.5 at Stockdale and 26.0 at Independence; the free/reduced lunch eligible shares that year were 44% and 75%, respectively. These are differences to consider as context, not explanations for the achievement gap.
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