Summary:
ZIP code 03458, which includes Peterborough, has one high school serving grades 9–12: ConVal Regional High School, a regional public school with 645 students.
ConVal Regional High School offers several encouraging indicators for families. Its 89.2% graduation rate is above New Hampshire’s 87.0% average, and its 1.9% dropout rate is below the statewide rate of 2.3%. The school has an 11.9-to-1 student-teacher ratio, and about 22.8% of students qualify for free or reduced-price lunch. Because this is the only high school in the ZIP code, there are no nearby in-ZIP schools to compare directly. It is part of the Contoocook Valley School District, which ranks 84th out of 166 New Hampshire districts and receives a three-star SchoolDigger rating.
Academic results are mixed, with mathematics standing out as the most important area for improvement. In 2025–2026, 19% of students were proficient in NH SAS mathematics, compared with 40% in the district and 44% statewide; SAT mathematics proficiency was also 19%, versus 30% statewide. Reading is the school’s strongest tested subject: 56% were proficient on the NH SAS, about the same as the district and slightly above the state, although the SAT reading result of 56% was below the statewide 62%. Science improved from 28% to 33% year over year and slightly exceeded the district, but remained below the state’s 38%. SchoolDigger ranking declined from 38th of 87 schools in 2023–2024 to 59th of 89 in 2025–2026, despite a small recent improvement. Overall, the school appears stronger in graduation and student persistence than in standardized achievement, particularly mathematics.
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