Summary
Thurgood Marshall Elementary is a mid-sized school in Gaithersburg, MD, serving 553 students from Pre-K through 5th grade as part of the highly-regarded Montgomery County Public Schools district. While the school has a history of solid performance, recent data shows a clear downward trend in its statewide ranking, dropping from the 76th percentile in 2018-2019 to the 56th percentile in 2025-2026, resulting in a current 3-star rating. This decline is especially notable when compared to nearby schools like Rachel Carson Elementary and Diamond Elementary, which consistently rank in the 95th percentile (5 stars), making Thurgood Marshall an outlier in a neighborhood of exceptionally high-performing schools.
One of the most interesting findings is that Thurgood Marshall has a unique academic profile: its math proficiency (43%) actually exceeds the district average (36.9%), while its English Language Arts (ELA) proficiency (44%) falls dramatically below the district average (58.5%). This is the opposite of the typical pattern in MCPS, where schools often perform better in reading than math. However, a critical concern is the "5th grade cliff"—math proficiency drops from 53.9% in 3rd grade to just 28.2% in 5th grade, far below the district average of 43.1%. This pattern is also visible in ELA, suggesting a systemic issue with the 5th-grade curriculum or instruction. Additionally, chronic absenteeism has been a major and growing problem, with rates reaching 22.3% in 2024-2025, which strongly correlates with the decline in academic performance.
The school shows mixed effectiveness with different student groups, performing well with English Language Learners and students from low socioeconomic backgrounds, but facing challenges with others. Spending per student ($19,278) is in the middle of the pack compared to neighbors, and the student-teacher ratio (12.7) is average, indicating that the school's challenges are not simply about funding but likely relate to instructional quality and school culture. For parents considering this school, it's important to note that while Thurgood Marshall has strengths in early-grade math and serves some groups exceptionally well, it faces urgent challenges in reversing its downward trend, closing the performance gap with its high-achieving neighbors, and addressing the significant drop-off in 5th-grade performance.
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