Summary
Mabel M. Paine Elementary serves 419 students in kindergarten through grade 5 in Yorba Linda, within the Placentia-Yorba Linda Unified district. In 2025–2026, students’ proficiency rates in English language arts (ELA), math and science were all above California’s rates. The schoolwide results are strong statewide, but fourth-grade ELA is the clearest academic concern: 57% were proficient, 8 points below the district and 20 points below the average at nearby K–5 schools.
Compared with the three nearby K–5 schools, Paine’s all-grade ELA proficiency was 68%, below their 77% average; math was 69%, below their 75% average; and science was 64%, nearly matching their 64% average. Against the state, Paine was ahead by 18 points in ELA, 30 in math and 28 in science. It was also above district rates in all three subjects, though its ELA lead was just 1 point, compared with 11 points in math and 12 in science. Fifth-grade math was a bright spot: 70% were proficient, close to the matched schools’ 70% average. Chronic absenteeism stands out separately: Paine’s 17% rate in 2025–2026 was higher than every nearby school’s, whose average was 8%.
Results have shifted unevenly over time: from 2022–2023 to 2025–2026, ELA declined by 3 points, math rose by 1 point and science rose by 7 points, including a 10-point science increase in the latest year. SchoolDigger gave Paine 4 stars and an 87th-percentile statewide rank in 2025–2026, down from the 92nd percentile in 2023–2024. Its student–teacher ratio was 21.9 in 2024–2025, below the nearby-school average of 23. In that same year, 41% of students were free/reduced lunch eligible, compared with a 31% nearby-school average; this is context, not an explanation for results. SchoolDigger’s statewide effectiveness percentile was lower for Hispanic students (70) and Asian students (62) than for the school overall (87), a notable difference in how the school ranks in serving these groups.
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