Summary:
Zip code 91741 has eight schools—three elementary, two middle and three high schools—serving families in an area where six schools have 2025–26 results and two charter high schools have 2024–25 results. Across the six schools with the latest results, all-grades proficiency is above state levels in ELA, math and science, though performance varies notably from school to school. The clearest overall standout is Goddard Middle, which leads the six schools in all three subjects.
Goddard scores 71% in ELA, 63% in math and 55% in science; the lowest-scoring school in each subject is Sandburg Middle, at 58%, 43% and 37%. The gap between them is 13 percentage points in ELA, 20 in math and 18 in science, and Goddard also leads Sandburg in every shared tested grade. Among the elementary schools, Cullen Elementary leads in grades 3 and 4 math, while Sellers Elementary leads in grade 5 science and has the lowest reported chronic absenteeism, 4% versus 10% at La Fetra Elementary. Glendora High is notably stronger in ELA than science relative to the state: 18 percentage points above state ELA proficiency, compared with 2 points above in science.
Results softened on average from 2024–25 to 2025–26: the six-school mean fell 2 percentage points in ELA, 3 in math and 2 in science, while state results rose by under 1 point, 1 point and 3 points, respectively. Goddard was a notable exception, gaining 3 points in ELA and 10 in science; all six schools saw math declines. SchoolDigger ranked Goddard at the 90th percentile in 2025–26, while Sandburg was at the 72nd percentile. The 2024–25 free/reduced lunch eligible measure ranged from 13% at Sellers to 86% at Options for Youth-Victor Valley Charter; it is context, not an explanation for school results. The charter schools’ 2024–25 scores are from a different school year than the other six schools’ scores, so those all-grades results are not a direct year-to-year comparison.
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