Summary:
Academy for Science and Design Charter School in Nashua, New Hampshire, has one high school serving grades 9–12: Academy for Science and Design Charter (H), a 264-student charter school located at 9 Townsend West.
Academy for Science and Design Charter (H) is a standout academic school with first-place statewide rankings in each of the last three reported years, along with a 99th-percentile ranking and five-star rating. In 2025–2026, 93% of students were proficient in mathematics, 100% in reading, and 86% in science. These results were well above New Hampshire averages: the school exceeded the state by 49 percentage points in mathematics, 45 in reading, and 48 in science. Grade 11 SAT results were similarly strong, with 93% proficiency in mathematics and 100% in reading. Compared with the Academy for Science and Design Charter School district, the school performed 12 points higher in mathematics, 16 points higher in reading, and 6 points higher in science on the all-grades assessments.
Parents should also note the school’s strong student-outcome measures. The 2024–2025 graduation rate was 90.3%, above New Hampshire’s 87.0%, and the reported dropout rate was 0.0% compared with 2.3% statewide. Mathematics improved from 90% to 93% year over year, while reading remained at 100%. Science declined from 92% to 86%, making it the main performance trend to monitor, although the result remained far above the state average. With a 17.8-to-1 student–teacher ratio and relatively small enrollment, individual year-to-year percentages may be affected by the size of each testing group. Overall, the school offers exceptionally strong academic performance, consistent statewide recognition, and favorable graduation and persistence outcomes.
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