Best Public Schools in Zip Code 21120

The two public schools in the 21120 zip code of Parkton, Maryland, part of the Baltimore County Public Schools district, serve students from pre-kindergarten through 12th grade and present a fascinating study in contrasts. Seventh District Elementary is a standout 5-star school, ranking in the top 6% of all elementary schools in Maryland with exceptional math and English Language Arts (ELA) proficiency rates of 69.2% and 75.0%, respectively. In comparison, Hereford High is a solid 4-star institution, ranking in the top 22% of high schools, but it shows a dramatic split in performance: its ELA proficiency is a stellar 79.3%, while math proficiency plummets to just 16.5%.

This disparity creates a notable "feeder pattern paradox," as students from the high-performing elementary school likely feed into Hereford High. The data suggests a systemic issue in math instruction between these levels, with proficiency dropping from 69.2% in elementary to 16.5% in high school. A deeper look reveals that Hereford High's math scores are dragged down by extremely low proficiency in foundational courses like Algebra I (4.7%) and Geometry (10.6%), while higher-level Algebra II scores are better (28.6%). Both schools serve relatively affluent populations, with free/reduced lunch rates around 12-14%, and have chronic absenteeism rates (7.9% and 12.1%) far below the district average of 25.6%, creating a favorable learning environment.

Resource allocation also differs significantly, with Seventh District Elementary spending $21,662 per student compared to Hereford High's $17,434, and maintaining a lower student-teacher ratio (13.9:1 vs. 17.8:1). This higher investment correlates with its superior performance, raising questions about whether reallocating resources to Hereford High for math intervention could bridge the gap. Overall, families in this zip code benefit from a strong elementary school and a high school with excellent English instruction, but should be aware of the significant challenges in high school mathematics that may require additional support.