Summary:
Zip code 95310 has one listed school, K–8 Columbia Elementary, with 464 students, so there is no second local school to compare it with. The most important concern is that in 2025–2026 its all-grades proficiency was below state results in both ELA and math: 33% versus 49% in ELA and 21% versus 38% in math, shortfalls of 17 points in each subject.
Columbia Elementary is the only school listed, so calling it the highest- or lowest-scoring school would not be a meaningful peer comparison. Science is its clearest strength relative to the state: 45% proficient compared with 36% statewide, a 9-point lead. Math is its weakest subject against the state, with a 17-point shortfall; ELA is close behind, also 17 points below. SchoolDigger ranks the school 4,106th out of 5,804 California schools, in the 29th percentile, and gives it 1 star.
Recent results moved in different directions by subject: from 2024–2025 to 2025–2026, Columbia’s ELA and math proficiency each fell by about 9 points, while science rose by 12 points. State results rose slightly in ELA and math, and science increased too, by 3 points. Within grades, math varies notably: sixth grade was 8% proficient, 29 points below the state, while fourth grade was 36%, 6 points below. SchoolDigger’s ranking percentile has declined from 37th in 2023–2024 to 34th in 2024–2025 and 29th in 2025–2026. The school reported a 17.2:1 student–teacher ratio in 2024–2025 and 65% free/reduced lunch eligible that school year. Chronic absenteeism was 23% in 2025–2026, compared with 18% statewide.
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