Summary:
ZIP code 84326, serving the Millville area, has one high school—Ridgeline High School—which serves grades 8–12 and enrolls 1,894 students.
Ridgeline has several strong outcomes for families to consider. Its 97.0% graduation rate is higher than both the Cache District average of 95.9% and Utah’s 89.8% rate. The school’s 2.5% dropout rate and 12.5% chronic absenteeism rate are also better than district and statewide figures, suggesting that students generally remain enrolled, attend regularly, and complete high school. The school has a 25.1-to-1 student-teacher ratio and a reported enrollment of about 1,900 students, making it a relatively large secondary school.
Academic results are mixed but generally stronger than Utah statewide averages. Ridgeline exceeded the state in both reported English and math measures, including Grade 9 English at 54.0% proficiency and Grade 10 math at 39.0%. Grade 9 English improved substantially from the prior year. Science is the main concern: proficiency was 46.9% in Grade 9 and 32.7% in Grade 10, below both district and state results, with Grade 10 science trailing the district by 12.7 percentage points. Math also declined in both grades compared with the previous year. Ridgeline ranked 52nd of 139 schools, at the 63rd percentile, in 2025–26, down from the prior year but similar to its 2023–24 standing. The surrounding district ranks more strongly overall—16th of 92 districts and at the 83rd percentile—so families may want to ask how Ridgeline is addressing science and recent math declines.
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