Thornton School District

Thornton School District has one small K–8 school, Thornton Central School, serving 172 students at 1886 NH Route 175 in Thornton, New Hampshire. Because it is the district’s only school, there are no local school-to-school comparisons; its results represent the district’s available school-level performance. The school has a reported 7.1-to-1 student-teacher ratio and has maintained a four-star rating while improving from the 77th to the 80th statewide percentile over the past three reported years.

For families, the most important strength is reading. In 2025–2026, 62% of students were proficient in reading, compared with 55% statewide. Grades 3–6 were especially strong, with proficiency ranging from 68% to 79%; fifth and sixth grade were the top-performing reading grades. Fourth-grade mathematics was another standout, with 69% proficiency compared with 52% statewide. Overall mathematics proficiency was 46%, and science proficiency was 40%, both slightly above state averages. These results suggest that the school generally performs better than New Hampshire schools, particularly in elementary and early middle-grade reading.

Parents should also note a clear upper-grade pattern. Performance was weaker in grades 7 and 8, especially eighth-grade mathematics, where 25% of students were proficient compared with 40% statewide. Eighth-grade reading and science were also below state averages. From 2024–2025 to 2025–2026, overall mathematics proficiency fell 11 points and science fell 21 points, while reading remained steady at 62%. Because the school is small, results can shift noticeably with changes in individual student cohorts, so multi-year trends and student-count data are important. Overall, Thornton Central School offers strong statewide performance and a small-school environment, with upper-grade mathematics, reading, and science the main areas to monitor.