Summary:
ZIP code 91362 has two high schools serving grades 9–12: Westlake High, with 1,900 students, and Conejo Valley High (Continuation), with 75. The clearest finding is a sharp divide in 2025–2026 proficiency: Westlake scored 64% in English, 50% in math, and 52% in science, while the continuation school scored 30%, 11%, and 9%, respectively.
Westlake High stands out at the top: it exceeded state results in all three subjects, by 15 percentage points in English, 11 in math, and 16 in science. Conejo Valley High (Continuation) was below state results in every subject, by 20 points in English, 27 in math, and 27 in science. The school-to-school gaps were 35 points in English, 38 in math, and 44 in science. SchoolDigger ranked Westlake 341st of 2,137 schools, at the 84th percentile with four stars; it ranked the continuation school 1,655th, at the 23rd percentile with one star. Chronic absenteeism also differed sharply: 12% at Westlake versus 53% at the continuation school, compared with 18% statewide.
Over the two years reported, the schools’ test-score trends moved in opposite directions: Westlake’s English proficiency fell 12 percentage points, while the continuation school’s rose 20; in math, Westlake fell 1 point and the continuation school rose 9. Westlake’s science result was nearly unchanged, while the continuation school gained 6 points. The schools also differ in context: their student–teacher ratios are 23.8 and 10.4, respectively, and their reported free/reduced lunch eligible rates for 2024–2025 are 18% and 61%. These are observations, not explanations for the score differences; the two-year results do not establish a longer-term trend, and the continuation school’s smaller enrollment is relevant context.
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