Summary:
ZIP code 03086 has one high school, Wilton-Lyndeboro Senior High School, serving grades 9–12 in the small community of Wilton, New Hampshire, with 147 students and a low 9.1-to-1 student-teacher ratio.
For parents, the school’s strongest results are its graduation and student-retention outcomes. In 2024–2025, 95% of students graduated, compared with 87% statewide, and the reported dropout rate was 0%, compared with 2.3% statewide. The school also offers a relatively small-school environment, which may support personal attention and close relationships with staff. Its latest overall ranking improved from the previous year, rising from the 24th to the 40th percentile, and its rating increased from one star to two stars. The school is part of the Wilton-Lyndeborough Cooperative School District, which ranked at the 30th percentile statewide.
Academic results are mixed and should be an important consideration for families. In 2025–2026, science proficiency rose sharply to 37%, nearly matching the state’s 38% and slightly exceeding the district’s 35%. Mathematics was the largest concern: 26% of students were proficient, compared with 38% in the district and 44% statewide. Reading proficiency was 49%, matching the district but trailing the state by six points; 11th-grade SAT reading performance was also 13 points below the state. Reading declined from 58% the prior year, while math was nearly flat and science improved substantially. Overall, the school appears strongest in graduation, persistence, and recent science growth, while mathematics and reading are the key areas parents may want to investigate further.
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