Summary
West Ranch High in Valencia serves grades 9–12 and enrolls 1,777 students in the William S. Hart Union High School District. Its 2025–2026 results were strong in all three tested subjects: about 87% in English language arts (ELA), 60% in mathematics, and 71% in science—well above both district and California results. Among five nearby, same-district high schools serving grades 9–12, West Ranch ranked second in each subject, behind Academy of the Canyons.
West Ranch’s advantage is broad, though mathematics is its relatively weaker subject. Compared with California, its results were higher by 38 percentage points in ELA, 22 in mathematics, and 35 in science; compared with the district, the leads were 17, 9, and 19 points. It also exceeded the nearby-school averages—about 79% in ELA, 51% in mathematics, and 60% in science—by 9, 9, and 11 points, respectively. West Ranch’s graduation rate was about 99%, above the district’s 95% and the state’s 88%; its chronic absenteeism was about 11%, below the district’s 13% and the state’s 18%. It was not the top nearby school on every measure: Saugus High and Academy of the Canyons had higher graduation rates, while William S. Hart High had slightly lower chronic absenteeism.
Results have risen since 2022–2023, especially in science: ELA gained about 2 percentage points, mathematics about 2, and science about 6. SchoolDigger ranks West Ranch 68th among 2,137 California schools, at the 97th percentile with five stars. Its 2024–2025 student-teacher ratio was 24.6, close to the comparison schools’ average of 24.7, so it is not notably low. The school reported about 13% free/reduced lunch eligible in 2024–2025, the lowest share among the comparison schools; their reported range was 12.7%–42.3%. These figures provide context, not an explanation for the school’s results.
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