Summary:
Zip code 80027 is served by a single middle school: Louisville Middle School, a grade 6-8 school with 626 students in the Boulder Valley School District No. Re2, which ranks 5th out of 115 districts in Colorado. As the only middle school in the area, Louisville Middle School's performance defines the educational landscape for families in this zip code.
Louisville Middle School is a consistently high-achieving school, ranking 42nd out of 469 Colorado middle schools (91st percentile) with a 5-star rating in 2025-2026, following ranks of 50th and 36th in prior years. Students significantly outperform state averages on CMAS tests: 65.2% are proficient in ELA versus the state's 44.7%, 60.5% in math versus 37.3%, and 65.0% in science versus 35.4%. The school also excels in attendance, with a chronic absenteeism rate of just 10.2% compared to the district's 17.5% and the state's 28.4%.
While overall performance is strong, there are a few areas worth noting. Seventh graders posted the lowest proficiency rates, especially in math at 53.3%, roughly 10-11 points below 6th and 8th graders. ELA proficiency dipped slightly from 68.8% to 65.2% year-over-year, though it remains well above state levels. On the positive side, math and science proficiency improved significantly, with science jumping 8.5 points from 56.5% to 65.0%. The school serves a relatively affluent population, with only 18.5% of students qualifying for free or reduced lunch, which provides important context for its high performance.
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