Summary:
Greenfield Union Elementary includes five schools serving grades K–8: four elementary schools for K–6 and one middle school for grades 6–8, with enrollment from 571 to 727. SchoolDigger rates the district in the 7th percentile with 0 stars. In 2025–26, the five-school averages were 27% proficient in English language arts (ELA), 20% in math, and 15% in science, compared with state results of 49%, 38%, and 36%. The clearest overall finding is that every school scored below the state in all three subjects.
Cesar Chavez Elementary stands out most broadly, leading the schools in ELA at 36% and math at 26%, and placing second in science at 19%; its results were 13 points below the state in ELA and math. Mary Chapa Academy shows a different profile: it leads science at 20%, but has the lowest ELA score, 22%, and the second-lowest math score, 18%. Oak Avenue Elementary ranks second in ELA (29%) and math (24%), but has the lowest science result among elementary schools, 13%. Vista Verde Middle is lowest overall in math at 15% and science at 9%.
Results changed unevenly from 2024–25 to 2025–26: Cesar Chavez gained 8 points in ELA and 5 in math, while Mary Chapa’s science rose 9 points even as its ELA and math fell 8 and 7 points. Vista Verde improved 5 points in both ELA and math, but remains lowest in math and science. SchoolDigger’s statewide ranking percentile for Cesar Chavez rose from the 13th to the 30th; its three-year ranking is a separate measure from test scores. Student–teacher ratios range from 21.2:1 at Vista Verde to 22.8:1 at Mary Chapa and Arroyo Seco Academy. All schools report free/reduced lunch eligible for 2024–25: 70% at Cesar Chavez, 81% at Vista Verde, 84% at Arroyo Seco, 87% at Oak Avenue, and 90% at Mary Chapa. These are differences in school context, not explanations of scores.
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