Summary:
The seven high schools in ZIP code 91710 are part of Chino Valley Unified. Six serve grades 9–12; Chino Valley Learning Academy serves grades 7–12. The group ranges from large comprehensive campuses to very small continuation or alternative schools, with enrollment from 27 to 2,748. The clearest overall finding is that results vary sharply by school: Ruben S. Ayala High leads in all three reported subjects, while the lowest results are far behind.
Ayala stands out with 82% proficiency in English language arts (ELA), 56% in math, and 60% in science for 2025–26. Its lead over runner-up Chino Hills High is 14 points in ELA, 9 in math, and 17 in science. The lowest reported results differ by subject: Chino Valley Learning Academy has 24% in ELA, Buena Vista Continuation High has 5% in math, and Boys Republic High has 0% in science. Across the schools, average results are 55% in ELA, 28% in math, and 28% in science, compared with state results of 49%, 38%, and 36%.
Average results moved closer to the state in ELA and math from 2024–25 to 2025–26, but farther behind in science: school averages rose about 3 points in ELA and 2 in math, while the state rose less than 1 point and about 1 point, respectively; science rose about 2 points at these schools versus about 3 statewide. SchoolDigger gives Ayala five stars and a 93rd-percentile ranking, while Chino Hills is at the 80th percentile. Other factors also distinguish schools: Don Antonio Lugo High has 68% ELA proficiency, close to Chino Hills’ 68%, but lower math and science results. For school year 2024–25, Lugo’s free/reduced lunch eligible measure is 82%, while Chino High reports 77%; Ayala and Chino Hills instead report 19% and 23% directly certified for free meals, which are different measures and should not be compared as though they were the same.
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