Summary:
Pembroke School District has one middle school, Three Rivers School, serving grades 5–8 in Pembroke, New Hampshire. The school enrolls 289 students and has a reported 9.9:1 student–teacher ratio, providing a relatively small-school setting. About 19.72% of students participated in the free or reduced-price lunch program in 2024–2025. Since Three Rivers is the district’s only middle school, there are no other local middle schools in the supplied data for direct comparison.
Three Rivers’ strongest academic area is reading. In 2025–2026, 61% of students were proficient in reading, 6 percentage points above the New Hampshire average and 3 points above the district result. The school exceeded the state average in every reported grade, with especially strong results in grade 6, where 64% were proficient compared with 52% statewide, and grade 8, where the difference was 10 points. Science is another relative strength: 42% of students were proficient, compared with 38% statewide and 30% districtwide. The school also exceeded the state in both reported science grades, 5 and 8.
Mathematics is the main area for improvement. Overall math proficiency was 40%, four points below the state average, with the greatest concern in grade 6, where proficiency was 31% compared with 43% statewide. Grade 5 math was stronger at 48%, and grade 8 improved to 41%, slightly above the state result. From 2024–2025 to 2025–2026, reading improved from 57% to 61%, while math and science changed only slightly. Three Rivers ranked around the 60th percentile statewide in the two most recent ranking years, indicating performance above the middle of its comparison group. Overall, the school offers solid reading and science performance, with grade 6 mathematics the clearest opportunity for additional support.
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