Summary:
In zip code 21133, there is one high school, Randallstown High, serving grades 9 through 12 in the Randallstown area as part of the Baltimore County Public Schools district.
Randallstown High has an enrollment of 1,091 students and a student-teacher ratio of 16.3:1. The school stands out for its high graduation rate of 92.7%, which is significantly above the district average of 84.3%, and its low dropout rate of 4.9%, less than half the district's 12.1%. However, academic proficiency is a major concern, with only 2.5% of students proficient in math in the 2025-2026 school year, compared to 21.9% in the district and 27.1% in the state. English Language Arts proficiency is 37.7%, also below the district average. Chronic absenteeism affects 30% of students, higher than the district's 25.6%, and per-student spending is $18,362.
The most notable finding is the paradox between the school's strong graduation and dropout rates and its extremely low academic performance, especially in math. This suggests the school is effective at keeping students enrolled and on track to graduate, but many may not be achieving grade-level mastery in core subjects. The school's state ranking has declined from the 16th percentile in 2023-2024 to the 21st percentile in 2025-2026, placing it in the bottom quarter of Maryland high schools. With 60.4% of students receiving free or reduced lunch, the school serves a high-poverty population, and the high chronic absenteeism rate is likely a key factor in the low test scores. Despite substantial per-student funding, the academic outcomes, particularly in math, remain critically low across all tested subjects.
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