Summary
Sutherland Elementary is a K–5 school in Glendora, serving 488 students in Glendora Unified. Its 2025–26 proficiency rates were above California’s in ELA, math, and science, but the clearest concern is grade 5: Sutherland had the lowest grade 5 ELA and math results among nearby schools.
Math is Sutherland’s strongest subject compared with the state and district, while science is its weakest. In 2025–26, Sutherland was about 19 percentage points above the state in math, compared with 11 points in ELA and 2 points in science; it was 5 points above its district in math, but 1 point below in ELA and science. Against the average of eight nearby K–5 schools, Sutherland scored lower in every subject: 60% in ELA versus 66%, 57% in math versus 65%, and 38% in science versus 52%. It exceeded only one of those peers in ELA, two in math, and one in science, tying Cullen Elementary in science.
Scores have declined since 2022–23 even as state results rose: Sutherland fell 12 percentage points in ELA, 7 in math, and 12 in science. Its state advantage narrowed by 15 points in ELA, 11 in math, and 18 in science. Attendance moved in a more positive direction: chronic absenteeism dropped from 21% in 2021–22 to 7% in 2025–26, below the district’s 9% and the state’s 18%. SchoolDigger ranks Sutherland in the 76th percentile with four stars, down from the 87th percentile in 2022–23. Its 19.7:1 student–teacher ratio in 2024–25 was the lowest among nearby schools, but that did not correspond with stronger test results; for example, Arma J. Shull Elementary had a higher ratio and higher scores in all three subjects. Sutherland reported 19% free/reduced lunch eligible in 2024–25, compared with a 29% average among nearby schools with the same measure. SchoolDigger’s measure of how well it serves White students places Sutherland at the 47th percentile, 29 points below its overall percentile. For Low Socio Economic Status Students, its percentile fell from 89 in 2023–24 to 65 in 2025–26, while its overall percentile fell from 82 to 76.
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