Summary
Butterfield Ranch Elementary is a 607-student school serving kindergarten through sixth grade in Chino Hills, within Chino Valley Unified. Its all-grade results are strong, though they vary by grade: sixth graders achieved 84% proficiency in ELA and 90% in math, while third-grade ELA was a weaker point. Most importantly, in 2025–26 the school exceeded state and district averages in all three subjects, with proficiency of 69% in ELA, 69% in math and 51% in science.
Math is the school’s clearest advantage over nearby K–6 schools: it ranked second of seven, with 69% proficiency compared with their 58% average, a 12-point lead. It ranked third in ELA and science; its 69% ELA result was 5 points above the nearby average, while its 51% science result was 3 points higher. Butterfield also exceeded district averages by 6 points in ELA, 18 in math and 6 in science, and state averages by 20, 31 and 15 points, respectively. Sixth grade stands out locally, too: Butterfield had the highest ELA and math results among nearby schools with sixth-grade data. Third-grade ELA, at 53%, was 6 points below the district, the one tested grade-subject result below the district average.
Scores declined from the prior year, especially in science: ELA fell 9 points, math 1 point and science 17 points. Even so, SchoolDigger rated the school four stars and placed it at the 85th percentile statewide in 2025–26, down from the 91st percentile in 2024–25 and 93rd in 2023–24. SchoolDigger’s measure of how well the school serves Asian Students was notably lower, at the 48th percentile in 2025–26, down from 65th the year before. As context, the 2024–25 student-teacher ratio was 25.2, close to the nearby-school average of 24.8. In 2024–25, 49% of students were reported as free/reduced lunch eligible, compared with a 53% average at nearby schools.
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