Summary:
The Windham School District has one public high school, serving grades 9–12 in Windham, New Hampshire, a community with a strong overall school profile and consistently high academic performance.
Windham High School serves about 945 students and is a consistently top-ranked school statewide. It ranked fourth out of 89 New Hampshire high schools in 2025–2026 and has placed in the top four for the past three reported years. The school’s 96.5% graduation rate is well above the 87.0% state rate, while its 0.3% dropout rate is far below the 2.3% state rate. These figures suggest that most students remain enrolled and successfully complete high school. The student–teacher ratio is 12.7 to 1, and the school’s overall academic results are substantially stronger than statewide averages.
Academic results are strongest in reading and science. In 2025–2026, proficiency was 77% in reading, 73% in science, and 54% in mathematics. Reading exceeded the district by 3 percentage points and the state by 22 points, while science exceeded the district by 7 points and the state by 35 points. Mathematics was 10 points above the state but 12 points below the district, making it the clearest area for improvement. Compared with the previous year, reading declined from 81% to 77%, mathematics fell from 56% to 54%, and science improved from 71% to 73%. For parents, the overall picture is of a high-performing, stable school with excellent graduation outcomes, especially strong science and reading performance, and mathematics results worth monitoring.
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