Summary:
Zip code 20689 is served by a single, exceptional elementary school, Sunderland Elementary, which serves grades PK through 5 and is part of the highly-rated Calvert County Public Schools district, ranked 3rd in Maryland.
Sunderland Elementary is a standout academic powerhouse, ranking 45th out of 864 elementary schools in Maryland for the 2025-2026 school year, placing it in the top 5% statewide and earning a 5-star rating. The school significantly outperforms its already excellent district in nearly every metric. For example, its math proficiency rate of 67.5% is nearly double the district average of 37.9%, and its English Language Arts proficiency of 79.1% far exceeds the district's 66.6%. With a low chronic absenteeism rate of 9.8% (compared to the district's 17.3%) and a student-teacher ratio of 14.9:1, the school fosters a positive and engaged learning environment. Only 20.96% of students qualify for free or reduced lunch, indicating a relatively low level of economic disadvantage.
While Sunderland Elementary excels across all subjects, its 5th-grade science proficiency rate of 57.1%, though above district and state averages, represents a relative area for growth compared to its stellar math and reading scores. The school has shown a strong upward trend in its state ranking over the past few years, and its consistent high performance across all grade levels points to a vertically-aligned, effective curriculum. For families in this zip code, this single school provides an outstanding educational foundation that is among the best in the state.
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