Summary
Dumbarton Middle is a large public school in Baltimore, MD, serving 1,064 students in grades 6-8 as part of the Baltimore County Public Schools district, which is ranked 18th out of 25 districts in Maryland. The school has a strong track record of academic performance, earning a 4-star rating from SchoolDigger for the past decade and consistently ranking in the 72nd to 85th percentile statewide, with its most recent ranking at 53rd out of 339 schools (84th percentile). This positions Dumbarton as a high-performing school within a district that, overall, is ranked relatively low.
Dumbarton significantly outperforms both its district and the state in core subjects. In the most recent testing year, 73.1% of students were proficient in English Language Arts (ELA), compared to 46.1% for the district and 51.7% for the state. In Mathematics, 37.1% were proficient, versus 21.9% for the district and 27.1% for the state. This performance is dramatically higher than most nearby schools; for example, Parkville Middle had only 52.1% proficiency in ELA and 13.4% in Math, while Pikesville Middle had 26.4% and 5.5%, respectively. Dumbarton also excels in advanced coursework, with 42.3% of students proficient in Algebra I and 64.5% in Geometry—over three times the district average for Geometry (21.1%). Its 8th-grade Science proficiency (55%) is more than double the district average (26.4%). The school has a relatively low percentage of students receiving free or reduced-price lunch (29.3%), which is significantly lower than most nearby schools like Pine Grove Middle (53.4%) and Loch Raven Technical Academy (62.6%).
While Dumbarton is a strong school, its closest competitor is Ridgely Middle, which consistently outperforms it with a higher state ranking (42nd vs. 53rd), higher ELA and Math proficiency, lower chronic absenteeism (11.4% vs. 25.2%), and a lower percentage of economically disadvantaged students (20.2% vs. 29.3%). This comparison suggests that while Dumbarton is excellent, there is still a performance ceiling being met by a nearby peer. The data also reveals a stark contrast between the Baltimore County Public Schools and Baltimore City Public Schools districts, with Dumbarton representing the top tier of BCPS middle schools, while nearby BCityPS schools like Stadium School and Vanguard Collegiate Middle are among the lowest-performing in the state, with proficiency rates often in the single digits and chronic absenteeism exceeding 50%.
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