Summary:
ZIP code 03031 has one public high school, Souhegan Cooperative High School, serving grades 9–12 in Amherst, New Hampshire. The school enrolls 696 students and is part of the Souhegan Cooperative School District. Because it is the only high school in the ZIP code, there are no local school-to-school comparisons; the most useful benchmarks are statewide results and the school’s performance over time.
Souhegan is a strong-performing school with an improving statewide ranking. It ranked sixth among 89 New Hampshire high schools in 2025–2026, up from 19th two years earlier, and received a five-star rating. Its 94.1% graduation rate is well above the 87.0% state average, while its 0.5% dropout rate is substantially below the 2.3% statewide rate. The school also reports a relatively low student-teacher ratio of 10.3 to 1, which may support more individualized attention. Academic results are especially strong in reading and science: 81% of students were proficient in reading and 73% in science, compared with 55% and 38% statewide, respectively.
Mathematics is a positive but less distinctive area. Math proficiency rose from 41% to 46% in one year, placing the school slightly above the 44% state average. Science showed the largest recent improvement, increasing 15 percentage points, while reading remained consistently high. Eleventh-grade SAT results also exceeded state results, with advantages of 16 points in mathematics and 19 points in reading. Overall, the data points to a school with strong academic achievement, high graduation, and excellent student persistence. Parents may want to look more closely at the school’s mathematics programs while viewing its reading, science, and overall ranking as significant strengths.
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