Summary:
ZIP code 84624 has one middle school, Delta Middle, serving grades 5–8 in Delta, Utah. The school enrolls 613 students and is part of the Millard District. With a student-teacher ratio of 19.8 to 1, the school provides a relatively typical middle-school setting for the area. Delta Middle’s chronic absenteeism rate was 8.5% in 2024–2025, considerably lower than the district’s 13.7% and Utah’s 23.8%, making attendance one of its clearest strengths.
Academic results are mixed but generally competitive with Utah statewide performance. Mathematics is the strongest subject relative to the state, averaging about 47.4% proficiency compared with 42.0% statewide. Eighth-grade mathematics was the standout result: 55.2% of students were proficient, nearly 16 percentage points above the state and slightly above the district. Fifth-grade mathematics also exceeded the statewide result. English language arts averaged about 45.1%, essentially matching Utah overall, with sixth grade standing out at 52.1% proficiency. Science averaged approximately 49.5%, nearly equal to the state, but results varied substantially by grade: sixth grade reached 59.6%, while seventh grade was 38.4%.
For parents, the most important consideration is the wide variation among grade-level results. Areas needing the closest attention include fifth-grade English language arts, sixth-grade mathematics, and seventh- and eighth-grade science. Science declined from an estimated 56.7% average proficiency in 2024–2025 to 49.5% in 2025–2026, with the largest drop in eighth grade. Delta Middle’s statewide ranking also declined from the 72nd percentile in 2023–2024 to the 54th percentile in 2025–2026, although it remained above the midpoint. Overall, the school combines strong attendance and solid mathematics performance with uneven academic outcomes that parents may want to discuss by grade and subject.
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