Summary
San Marino Elementary is a K–6 school in Buena Park, serving 465 students in the Centralia Elementary District. In 2025–2026, SchoolDigger ranked it 2,638th of 5,804 California schools, at the 55th percentile with 3 stars; the district was at the 75th percentile with 4 stars. The main concern is that San Marino’s results were below most nearby schools in all three tested subjects, despite math being above the state average.
Math is San Marino’s strongest result against the state: proficiency was 41%, compared with 38% statewide, while ELA was 44% versus 49% and science was 32% versus 36%. But the school trailed its district in all three subjects: ELA by 14 points, math by 17, and science by 18. It also fell short of nearby-school averages—58% in ELA, 57% in math, and 50% in science—by 14, 16, and 18 points, respectively. San Marino scored below 8 of 10 nearby schools in ELA and below 9 of 10 in math and science; only one nearby school scored lower in math and science.
Results over time are uneven: from 2022–2023 to 2025–2026, ELA fell 6 points, from 50% to 44%, while the state rose from 47% to 49%, turning San Marino’s 3-point advantage into a 6-point deficit. Math rose about 1 point and science rose 9 points over that period, though science dropped 16 points after reaching 48% in 2024–2025. SchoolDigger’s overall percentile also fell from 64 in 2021–2022 to 55. Its English Language Learner Students percentile, a measure of how well the school serves that group, dropped from 89 in 2021–2022 to 71 in 2023–2024, while the overall percentile was 64 in both years. In 2024–2025, 68% of students were free/reduced lunch eligible, close to the nearby average of 68%; the student–teacher ratio was 25.8, above the nearby average of 24.7. Chronic absenteeism improved to 16% in 2025–2026, below the state’s 18% but above the district’s 10%.
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