Academy for Science and Design Charter School

The Academy for Science and Design Charter School operates two schools in Nashua, New Hampshire: the Academy for Science and Design Charter (M) for grades 5–8 and the Academy for Science and Design Charter (H) for grades 9–12, serving 672 students in total.

Both schools perform far above New Hampshire averages, but the high school is the clear standout. It ranked first among state high schools for three consecutive years and reported 93% math, 100% reading, and 86% science proficiency in 2025–2026. Its 11th-grade SAT results were similarly strong, with 93% proficient in math and 100% in reading. The high school also reported a 90.3% graduation rate and no dropouts. The middle school ranked fourth statewide in the latest year, after ranking second in each of the prior two years. It recorded 79% math, 81% reading, and 77% science proficiency, placing it well above state results even though its percentages were slightly below the district averages.

For families comparing the campuses, the middle school offers consistently strong achievement across grades, especially in mathematics, where results ranged from 78% to 81%. Its science proficiency rose sharply from 59% to 77% year over year. The high school’s results are stronger overall, though its science rate declined from 92% to 86%, making science the main area to monitor. Combined across both campuses, approximate proficiency was 84.5% in math, 88.5% in reading, and 80.5% in science. The schools also report relatively small student-teacher ratios and very low free/reduced-price lunch participation, providing useful context when reviewing these impressive outcomes.