Summary:
ZIP code 91784 has two K–6 elementary schools, Pepper Tree Elementary and Valencia Elementary, both in Upland Unified. In 2025–26, their average proficiency was 69% in English language arts (ELA), 61% in math, and 54% in science—about 19, 23, and 18 percentage points above California, respectively. The area’s clearest strength is that both schools scored above the state in all three subjects.
Pepper Tree leads the pair in all-grade results, with 73% in ELA, 63% in math, and 57% in science, compared with Valencia at 64%, 59%, and 51%. The gaps are 9 points in ELA, 4 in math, and 6 in science, making ELA the biggest difference. The overall ranking has exceptions by grade: Valencia leads by 4 points in third-grade ELA and 2 points in fifth-grade math. SchoolDigger gives both schools four stars; Pepper Tree ranks at the 87th statewide percentile and Valencia at the 81st.
Scores fell at both schools from 2024–25 to 2025–26, while California’s results rose slightly in ELA and by 1 point in math and 3 in science. Pepper Tree’s results declined by 2 points in ELA, 3 in math, and 9 in science; Valencia’s fell by 5, 3, and 10 points. Science is the sharpest shared concern, and the schools’ average advantage over California in that subject narrowed from 30 to 18 points. As context, for 2024–25, free/reduced lunch eligible shares were 41% at each school after rounding; Pepper Tree’s student–teacher ratio was 24.7, compared with 23.6 at Valencia. Chronic absenteeism in 2025–26 was 5% at Pepper Tree and 6% at Valencia, below the district’s 21% and California’s 18%. These measures describe school context but do not explain achievement differences.
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