Summary:
ZIP code 03086 has one middle school serving grades 6–8: Wilton-Lyndeboro Middle School in Wilton, New Hampshire, a small school with 130 students and an 8.6-to-1 student-teacher ratio. The school is part of the Wilton-Lyndeborough Cooperative School District, which serves the local Wilton and Lyndeborough communities.
Academic results are mixed. In 2025–2026, 50% of students were proficient in reading, compared with 49% in the district and 55% statewide. Mathematics was weaker, with 34% proficient versus 38% in the district and 44% statewide. Science was 36% proficient, close to the district’s 35% and the state’s 38%. Mathematics is the clearest schoolwide improvement priority because performance was consistently low across grades: 34% in sixth grade, 35% in seventh grade, and 33% in eighth grade. However, mathematics improved substantially from 23% the previous year to 34%.
Reading performance varies sharply by grade. Sixth-grade reading proficiency was 30%, 22 points below the state rate, while seventh grade reached 50%. Eighth-grade reading was a standout strength at 73%, exceeding both the district’s 71% and the statewide 51%. This 43-point difference between sixth and eighth grade suggests that families should look closely at grade-level results rather than relying only on the school’s overall rating. The school’s ranking has remained fairly stable, placing 88th of 138 schools in 2025–2026, in the 36th percentile, with a current two-star rating. Overall, the data points to a small school that performs near district levels, with particular opportunities in mathematics and sixth-grade reading, alongside notably strong eighth-grade reading results.
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