Summary:
ZIP code 84320 has one listed school, Lewiston School, an elementary school serving Pre-K through sixth grade in the Lewiston area. The school enrolls 506 students and is part of Cache District. Because it is the only listed school in the ZIP code, families are not choosing among multiple local schools based on the available data. Instead, the most important considerations are Lewiston’s academic performance, grade-level strengths, attendance, and overall school profile.
Lewiston School has a strong statewide record, ranking in the top 10% of Utah schools in 2025–2026 and remaining near the top statewide for three consecutive years. Current achievement results were above state averages in every reported subject and grade. Mathematics is the clearest strength: about 70% of students were proficient on average, compared with about 62% in Cache District and 46% statewide. Science was also strong, averaging about 70% proficiency, while English Language Arts averaged nearly 60% and remained well above state results.
For parents, the main area to watch is sixth-grade English Language Arts. Its 52.2% proficiency rate was the school’s lowest ELA result and was 3.7 percentage points below the district, although it still exceeded the state by 8.1 points. Fourth-grade science was also slightly below the district, while sixth-grade mathematics declined from the prior year despite remaining well above district and state levels. Chronic absenteeism was 19.5%, better than Utah’s 23.8% but higher than the district’s 16.3%. Overall, the available data portrays Lewiston School as a consistently high-performing elementary school, especially in mathematics and science.
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