Summary:
Mendon, Utah, has one elementary school, Mountainside School, serving students in prekindergarten through sixth grade, with 514 students in the Cache District and a community-school profile that is relatively strong compared with schools statewide.
Mountainside School is currently rated four stars and ranks 107th out of 563 Utah elementary schools, placing it in the 81st percentile. It previously ranked 46th in 2024–2025, so its current standing is lower than the prior year but still well above average. Academic results are especially strong in mathematics, where every tested grade exceeded the state proficiency rate. Sixth grade was the standout, with 73.4% proficient in English language arts, 62.7% in math, and 84.8% in science. Overall, the school’s results were generally better than statewide averages, giving families a strong academic option within Mendon.
Performance varies by grade, so parents may want to look closely beyond the overall rating. Fourth-grade English language arts was the clearest concern: 43.3% of students were proficient, below both the district and state results. Fifth-grade math and science also declined from the previous year, although year-to-year changes can reflect different student groups and testing conditions. Attendance is another area to watch. Chronic absenteeism was 19.7%, better than Utah’s 23.8% but higher than the Cache District rate of 16.3%. With no other elementary schools listed in Mendon for comparison, the most important considerations are Mountainside’s strong statewide standing, excellent sixth-grade results, consistently strong math performance, and opportunities to improve fourth-grade literacy and attendance.
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