Summary:
ZIP code 91801 has seven public schools: five K–8 elementary schools and two high schools serving grades 9–12, with no middle schools in this list. In 2025–2026, the schools’ average proficiency was 63% in ELA, 51% in math and 48% in science, compared with state results of 49%, 38% and 36%. Six schools exceeded the state result in each subject; Granada Elementary was below it in all three. The central finding is that results are above state levels on average, but vary sharply—most of all in science, where the top-to-bottom gap was 39 percentage points.
Mark Keppel High is the clearest standout, leading all three subjects with 74% ELA, 62% math and 63% science; its results were 25, 23 and 27 points above the state, respectively. It also had the highest SchoolDigger statewide ranking among these schools, at the 92nd percentile. At the other end, Granada Elementary scored 47% in ELA, 37% in math and 24% in science, and ranked at the 48th percentile. Among the elementary schools, Martha Baldwin Elementary led in ELA and math, at 66% and 61%, while Park Elementary led in science, at 55%.
Average results improved from 2024–2025 to 2025–2026 by 2 percentage points in ELA, 3 in math and 7 in science; the group’s lead over the state also widened by 1, 2 and 3 points, respectively. Progress was not uniform: Mark Keppel High’s ELA result fell by 1 point, and Martha Baldwin Elementary’s science result fell by 4, while Granada Elementary gained 7 points in both ELA and math. As context for comparing schools, all seven report free/reduced lunch eligible (FRL) for 2024–2025, ranging from 41% at Mark Keppel High to 55% at Granada Elementary. The two high schools have similar enrollments, but their results differ: Mark Keppel led Alhambra High by 4 points in ELA, 19 in math and 13 in science; their 2024–2025 student–teacher ratios were 26.0 and 21.3.
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