Summary:
ZIP code 03824 has one public high school, Oyster River High School in Durham, serving grades 9–12. The school enrolls about 825 students and is part of the Oyster River Coop School District. Families will find a relatively favorable student-teacher ratio of 12.3 to 1, a 99% graduation rate, and a reported 0% dropout rate. The school’s 7.39% free- or reduced-price lunch rate also provides useful context about the student population and should be considered when comparing results with schools serving different communities.
Oyster River High School is especially strong in reading. In 2025–2026, 82% of students demonstrated reading proficiency, compared with 76% across the district and 55% statewide. The school also performed above New Hampshire averages in mathematics and science: math proficiency was 51%, compared with 44% statewide, while science proficiency was 53%, compared with 38% statewide. The school’s 11th-grade SAT results were similarly strong, with 82% proficient in reading and 51% in mathematics, compared with 62% and 30% statewide, respectively. Its main academic opportunity is mathematics, where the school’s 51% proficiency rate was 18 percentage points below the district’s 69% result.
Recent results show some softening: from 2024–2025 to 2025–2026, proficiency declined by 4 percentage points in both mathematics and reading and by 2 points in science. The school’s ranking history also moved from 5th place and the 94th percentile in each of the prior two years to 11th place and the 88th percentile most recently. Even so, Oyster River High School remains a highly rated option, with excellent graduation and retention outcomes, notably strong reading achievement, and above-state performance in every reported subject. The available ranking summaries use different comparison totals, so their percentiles should not be treated as directly interchangeable.
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