Summary:
In zip code 20852, there is one middle school, Tilden Middle, serving grades 6 through 8 in Rockville, Maryland, as part of the highly-rated Montgomery County Public Schools district.
Tilden Middle is a standout school that consistently outperforms both its district and state averages in core subjects. Its greatest strength is English Language Arts, where 71% of students are proficient—a full 12.5 percentage points above the district average. The school has shown consistent year-over-year growth, with math proficiency rising from 36.5% to 40.6% and ELA from 68.3% to 71.0% between the 2024-2025 and 2025-2026 school years. Its state ranking has also improved, moving from the 80th to the 86th percentile over three years. The school serves a relatively affluent population, with only 24.1% of students eligible for free/reduced lunch, and benefits from high per-student spending of $18,991. Chronic absenteeism is notably low at 16.5%, compared to the district's 22.6%.
A key finding is the dramatic drop in 8th-grade math proficiency to just 4.1%, which is explained by the school's practice of accelerating top math students into advanced courses like Algebra I and Geometry. While 44.8% of students taking Algebra I are proficient (well above the state's 21.3%), performance in Geometry lags behind the district at 60% versus 67.6%. This suggests that while Tilden Middle excels at preparing students for Algebra I, the transition to Geometry may be an area for improvement. Overall, the school provides a strong, well-funded academic environment with a clear upward trajectory in performance.
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