Summary:
ZIP code 92104 has four schools: McKinley, Jefferson and Edison, each serving grades K–5, and Alba, an alternative school serving grades 1–12. The three elementary schools vary substantially in achievement, while Alba has a different grade span and a distinct profile. The most important finding is that McKinley led Edison by at least 29 percentage points in every tested subject in 2025–26.
McKinley Elementary stood out at the top, with 2025–26 all-grades proficiency of 81% in ELA, 78% in math and 75% in science; it led Edison Elementary by 32, 29 and 33 points, respectively. Jefferson Elementary was in between, at 65% in ELA, 64% in math and 57% in science. Edison had the lowest results among the K–5 schools, but its math and science were above state rates; its ELA was just below. Alba’s reported ELA and math results were 7% each, and its science score was suppressed. Alba serves grades 1–12 and enrolled 20 students, so its results are not directly comparable with those of the K–5 schools.
Recent results moved differently by subject: the K–5 average fell from 70% to 65% in ELA, edged up from 63% to 64% in math, and rose from 51% to 58% in science between 2024–25 and 2025–26. SchoolDigger rates McKinley five stars, Jefferson four and Edison three; its rankings rose from 94 to 96 for McKinley and 77 to 84 for Jefferson, while Edison’s fell from 70 to 65. The schools’ free/reduced lunch eligible figures for 2024–25 were 27% at McKinley, 52% at Jefferson and 96% at Edison; this is context, not a cause of their results. In 2024–25, student–teacher ratios were 26.3 at McKinley, 25 at Jefferson and 22 at Edison, so Edison’s lower ratio did not correspond to higher proficiency in this group.
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