Summary:
The 91011 ZIP-code list includes one high school, La Canada High, serving grades 7–12 and enrolling 1,989 students. Its most important strength is that its 2025–2026 results were well above California’s in all three reported subjects: about 40 percentage points higher in English, 44 points higher in math, and 44 points higher in science.
La Canada High is both the highest- and lowest-listed school because it is the only one, so there is no local school-to-school comparison. Within its own results, English was strongest at 89%, while science was lowest at 80%, a 9-point difference. The school was also slightly above La Canada Unified in English, by about 1 point, but below the district in math and science by about 2 points each. Other reported indicators were favorable against state figures: graduation was 99% versus 88% statewide, while chronic absenteeism was 3% versus 18%. Because this is the only school listed, the data cannot show how it compares with other nearby schools.
Results were mixed from 2024–2025 to 2025–2026: English proficiency fell by about 2 points, math was nearly unchanged, and science rose by about 4 points. The school’s lead over the state narrowed in English and math but widened slightly in science. SchoolDigger ranked it 24th of 2,137 California schools, in the 99th percentile, for 2025–2026; it ranked 18th of 2,162 the previous year. Context measures include a 23:1 student-teacher ratio and 5% free/reduced lunch eligible in 2024–2025. California is marked as a statewide-free-meals state, so that school-specific figure should not be read as the share of students receiving free meals.
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