Summary:
ZIP code 03820, serving Dover, New Hampshire, has one middle school: Dover Middle School, which serves grades 5–8 and enrolls 941 students.
Dover Middle School performs above both the Dover School District and New Hampshire statewide averages in all three reported subjects. In 2025–2026, 61% of students were proficient in reading, compared with 55% statewide; 48% were proficient in mathematics, compared with 44% statewide; and 48% were proficient in science, compared with 38% statewide. Reading is the school’s strongest subject overall, while science shows its largest advantage over the state. The school also matches or exceeds district results in every reported grade and subject. Its 13.4:1 student–teacher ratio and 24.65% free/reduced-price lunch rate provide additional context about the school’s size and student population.
Recent results indicate broad improvement. From 2024–2025 to 2025–2026, mathematics proficiency increased 10 percentage points, reading rose 5 points, and science rose 6 points. The school’s statewide ranking also improved substantially, moving from the 42nd percentile to the 73rd percentile, while its rating increased from 2 stars to 4 stars. Eighth grade is a particular strength: mathematics proficiency reached 50%, and science proficiency reached 52%, 15 points above the statewide science rate. Because this ZIP code has only one middle school, families cannot compare schools within the ZIP code; instead, Dover Middle School is best understood through its district, state, and multi-year results.
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