Summary:
Zip code 80751 in Sterling, Colorado is served by School District No. Re-1 Valley, which includes four public schools enrolling 1,550 students total. The district is ranked 73rd out of 115 Colorado districts and holds a 2-star rating. The schools include one high school (Sterling High School, grades 9-12), one middle school (Sterling Middle School, grades 6-8), and two elementary schools (Ayres Elementary School, K-2, and Campbell Elementary School, grades 3-5). Enrollment is fairly evenly split across the three school levels.
Sterling High School stands out for its strong graduation rate of 93.8%, nearly eight points above the state average, and a dropout rate of just 0.8%—half the state rate. However, math proficiency is a clear weakness: only 27% of 9th graders were proficient on PSAT9 in 2025-2026, well below the state's 40%. Campbell Elementary School is another bright spot. Despite having the highest free/reduced lunch rate in the district (65.42%) and the highest student-teacher ratio (17.7), it beats the district average in both ELA (33.4% vs. 29.2%) and math (22.9% vs. 21.3%). Meanwhile, Sterling Middle School posts the lowest proficiency rates among tested schools, with just 23.3% ELA and 18.9% math proficiency on CMAS, and its state ranking has fallen from the 57th percentile (2018-2019) to the 31st percentile (2023-2024).
Several concerning trends emerge across the district. School rankings are mostly declining—Sterling High School dropped from the 56th percentile to the 17th percentile, and Campbell Elementary fell from the 52nd to the 20th percentile. Test scores also appear to decline between elementary and middle school, suggesting a challenging transition. On a positive note, all four schools have chronic absenteeism rates below the state average of 28.4%, with Ayres Elementary School leading the way at 21.7% alongside the lowest student-teacher ratio in the district (13.8). While Ayres serves only K-2 and has no state test data yet, its strong attendance and small class sizes lay a positive foundation for future learning.
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