The top reported proficiency rate is 29% in English language arts. The lowest is 14% in Science.
Original Research by School Decision on Twinbrook Elementary
Twinbrook Elementary is a regular public school serving pre-kindergarten through fifth grade in Rockville, Maryland. It is part of Montgomery County Public Schools, one of the largest and most fiscally substantial districts in the region. As an elementary school that stops at grade five, there are no graduation rate data, and state testing is limited to grades three through five, which is typical for this grade band.
The school is moderately sized for an elementary school, with enrollment distributed fairly evenly across grades. The student body is diverse. Hispanic students make up the largest share, followed by smaller portions of students who are Asian, Black, White, and multiracial. A substantial share of students qualify for free or reduced-price meals, an indicator that the school serves many families with lower household incomes.
State testing results from the recent school year show the share of students scoring proficient or above in math was highest in third grade, lower in fourth grade, and somewhat recovered in fifth grade. In English language arts, proficiency rates were higher in third and fifth grades and lower in fourth grade. Science proficiency at fifth grade was lower than in either math or ELA at that grade level. These results reflect a single year of data; no trend information is available because only one year of comparable results was reported. A parent may want to ask the school about how the school supports students who are not yet meeting proficiency benchmarks and what interventions are in place.
The school itself has no reported data on chronic absenteeism, discipline, staffing ratios, or course access. That kind of information is often available directly from the school or district office. The district recently adopted a new elementary literacy curriculum, which affects how reading is taught in all elementary schools, including Twinbrook. The district has also been conducting ongoing boundary studies, meaning attendance zones could shift in the future, a factor families should track.
Rockville, where the school is located, is the county seat of Montgomery County. It blends residential neighborhoods with commercial hubs and is part of a technology corridor that hosts numerous software and biotechnology companies. Major employers include the county government, the school system, a federal regulatory agency, a community college, and a research firm. The city has experienced steady population growth and significant downtown redevelopment in recent years. Public transit options include the Washington Metro Red Line at nearby stations, a MARC commuter rail line, and local bus service. The overall walking environment is mixed: the downtown area near Metro stations has transit-oriented development and walkable elements, but much of the city is car-oriented with heavy traffic on main commercial roads.
Housing in the area is expensive. Home values are above the national average, and rents are also high. The typical housing costs consume a large share of household income, reflecting the broader high-cost character of Montgomery County. Families considering this school should weigh the affordability of the neighborhood against the school’s academic performance and student supports.
For a parent trying to get a clear picture, Twinbrook Elementary is a diverse, moderately sized public school within a well-resourced but large district. The academic proficiency data points to areas where the school may need to focus improvement, particularly in math and science. Because the data is limited to one year and no comparison to other county districts is possible here, a family would benefit from visiting the school, speaking with staff about academic interventions and enrichment, and understanding how the new literacy curriculum is being implemented. The surrounding city offers a range of employment, transit, and civic amenities, but at a high cost of living.
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