Summary
Addison Elementary serves 366 students in grades K–5 in Palo Alto, within Palo Alto Unified. Its 2025–26 test scores were well above California averages, but below the district’s averages in all three tested subjects. The main takeaway is that Addison’s results are strong compared with the state, but do not place it among the top nearby schools in every subject.
English language arts is Addison’s strongest local comparison, while science is its weakest. In 2025–26, 78% of students were proficient in ELA, 74% in math and 66% in science—29, 36 and 30 percentage points above state results, respectively. But Addison trailed the district by 3 points in ELA, 5 in math and 9 in science. Against the five other nearby Palo Alto Unified elementary schools, Addison was 2 points above their average in ELA, 1 point below in math and 9 points below in science. Among nine nearby K–5 schools with scores, Addison ranked fourth in ELA, fifth in math and seventh in science; Ohlone Elementary, Laurel Elementary and Escondido Elementary ranked higher overall.
Over time, Addison’s ELA score rose 1 point from 2022–23 to 2025–26, while math fell 1 point and science fell 3; state scores rose in all three subjects, narrowing Addison’s lead. SchoolDigger gives Addison 5 stars and ranks it at the 94th statewide percentile, 359th of 5,804 schools. Its 2024–25 student-teacher ratio was 19.6, the median among 11 nearby schools with reported ratios. In 2024–25, 17% of students were free/reduced lunch eligible; California is marked as a statewide free-meals state, but Addison’s own reported measure is 17%. SchoolDigger’s statewide effectiveness percentile for Hispanic students fell to 62 in 2025–26 from 86 in 2023–24, compared with Addison’s overall percentile of 94. For Low Socio Economic Status Students, the percentile rose sharply from 21 in 2023–24 to 70 in 2024–25, while the school’s overall percentile that year was 93. These are group-specific school rankings, not measures of individual students’ results.
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