Summary
Greenbrier Middle School is a 6–8 public middle school in Greenbrier, Tennessee, serving 558 students as part of Robertson County Schools. On the most recent state ranking, Greenbrier placed 369th out of 594 Tennessee middle schools, putting it at the 38th percentile with a two-star rating. That places it roughly in the middle-low range of the state, and slightly above its district's overall context — Robertson County Schools ranks at the 28th percentile statewide. The surrounding area features stark contrasts: White House Middle School, just 6.7 miles away in Sumner County Schools, ranks in the top 11% of Tennessee middle schools, while Madison Middle School, about 12 miles away in Metro Nashville Public Schools, sits in the bottom 3%.
Academically, Greenbrier's biggest strength is its advanced Algebra I program. In 2025–26, the school posted an 80% Algebra I proficiency rate across all grades, compared to just 26.4% districtwide and 32.3% statewide. However, results in other subjects are more modest. English language arts proficiency was 28.2%, below the district's 35.8% and the state's 40.6%. The school also shows a concerning grade-level slide: 6th graders posted 44% math proficiency, better than the state average, but by 8th grade just 25.5% scored proficient in regular math, well below the state's 38.3%. Greenbrier outperforms its same-district counterpart, Coopertown Middle School, which ranks at the 12th percentile, but lags significantly behind Sumner County schools like Robert E Ellis Middle School (95th percentile) and Liberty Creek Middle School (96th percentile).
Chronic absenteeism is a persistent concern. Nearly one in five Greenbrier students (19.8%) were chronically absent in 2024–25, consistently above the state average and far above the high-performing nearby Sumner County schools, where rates range from 5.7% at Liberty Creek to 14.2% at White House. Spending is not the differentiator: Greenbrier spent $12,784 per student, comparable to high-performing neighbors like T. W. Hunter Middle School ($12,999). The school's state ranking has drifted downward from the mid-2010s, when it sat at the 56th percentile, to its current 38th percentile. Subgroup data shows particular challenges for special education and low-income students in the most recent year, suggesting the school has pockets of success to build on but faces real instructional and attendance challenges that money alone won't solve.
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