Summary:
Elementary schools in ZIP code 03109 include two schools serving grades PK–6: Green Acres School, a district school serving PK–4, and Mill Falls Charter School, serving K–6. Together, they enroll 511 students in the Manchester area, but they differ in size, grade span, governance, and staffing. Green Acres has 343 students and a much lower reported student-teacher ratio, while Mill Falls enrolls 168 students and serves students through sixth grade.
Mill Falls Charter School has the stronger current overall academic profile, ranking in the 60th percentile statewide with three stars for 2025–26, compared with the 37th percentile and two stars for Green Acres School. Mill Falls is especially strong in reading, with 63% of students proficient compared with 45% at Green Acres, and it reports strong science results at 54%, well above the state average. Its reading performance is particularly impressive in grades 4–6, ranging from 64% to 74%. However, math is a key weakness, with 42% proficiency overall and especially low results in grades 4 and 6.
Green Acres School is the stronger choice based on the available math results, with 50% proficiency compared with 42% at Mill Falls. It also performs well above the averages reported for the Manchester School District in both math and reading. Green Acres has shown encouraging momentum: its ranking rose from the 21st to the 37th percentile over three years, while math and reading both improved in the latest year. Its main academic opportunity is reading, which remains below the state average. Families comparing the schools should weigh Mill Falls’ stronger reading, science, and overall ranking against Green Acres’ stronger math performance, lower student-teacher ratio, and recent improvement trend.
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