Summary:
ZIP code 03227 contains one listed school, Sandwich Central School, a small elementary school serving kindergarten through Grade 6 in Center Sandwich, New Hampshire. The school has 85 students, an 11.4-to-1 student-teacher ratio, and is part of the Inter-Lakes Cooperative School District. Because it is the only school in the ZIP code, families are not choosing among multiple local schools based on these data.
Sandwich Central School has a strong academic record compared with both the district and New Hampshire overall. In 2025–2026, 62% of students were proficient in mathematics, 64% in reading, and 50% in science. These results exceeded statewide rates by 18, 9, and 12 percentage points, respectively. Reading was especially consistent in Grades 4 and 5, with proficiency rates of 71% and 69%. The school also ranked in the 79th percentile statewide and received four stars, continuing a pattern of four-star rankings over the past three years.
The clearest strength was fourth-grade mathematics, where 86% of students were proficient—well above both district and state results. Fifth-grade mathematics was the main area needing attention, at 38%, compared with 43% statewide and 34% districtwide. Overall proficiency also declined modestly from the previous year in all three subjects, although the school remained above comparison averages. Since the school is small, results can change noticeably from year to year depending on the performance of individual grade cohorts. For parents, the overall picture is of a small, high-performing school with strong reading and broad academic results, while fifth-grade math and recent downward trends are worth monitoring.
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