Summary
Stanton Elementary is a K–5 school serving 551 students in Glendora, within Glendora Unified. Its results paint a mixed picture: English language arts (ELA) is a relative bright spot among nearby schools with the same grade span, while science stands out as a concern. Most importantly, Stanton’s proficiency is currently below both state and district averages in all three tested subjects.
Compared with the eight nearby K–5 schools, Stanton is strongest in ELA: 44% of students were proficient, above the nearby-school average of 40%, ranking third of nine schools including Stanton. Math proficiency was 35%, below the nearby average of 38%, and science was 22%, below the nearby average of 24%; Stanton ranked fourth in math and fifth in science. Those results are also below the state averages of 49% in ELA, 38% in math and 36% in science, and the district averages of 61%, 52% and 40%, respectively. By grade, fifth-grade ELA nearly matched the state result at 49%, while third-grade math was 31%, 16 percentage points below the state and ranking eighth of nine nearby K–5 schools.
Results have weakened since 2022–23: proficiency fell 5 percentage points in ELA, 10 in math and 20 in science, moving Stanton from above to below the state in each subject. SchoolDigger ranks Stanton at the 45th percentile with 2 stars for 2025–26, compared with the district’s 73rd percentile and 4 stars. The school’s 2024–25 student–teacher ratio was 22.4, below the nearby-school average of 23.74; 41% of students were free/reduced lunch eligible that year. In SchoolDigger’s statewide measure of how well it serves Low Socio Economic Status Students, Stanton was at the 35th percentile in 2025–26, compared with the school overall at the 45th percentile; that subgroup standing rose 5 points even as the overall standing fell 7.
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