Summary:
ZIP code 01833 in Georgetown, Massachusetts is served by a single elementary school: Penn Brook, which enrolls 674 students in grades PK–5 as part of the Georgetown district. With just one elementary school in the area, there is no same-ZIP comparison to make, so the useful yardsticks are how Penn Brook compares with its district and with Massachusetts statewide averages, and how its own results have changed from year to year.
In 2025–2026, Penn Brook scored above both the district and the state in all three all-grade subjects: English Language Arts (42.54% proficient), Mathematics (42.16%), and Science (42.86%). Science showed the widest district gap at 9.70 points. Fourth grade is the standout: 4th grade Math reached 64.29% proficient, about 21 points above the state, and 4th grade ELA hit 51.19%, roughly 14 points above the state. Results are uneven by grade, though — 3rd grade Math (31.18%) and 5th grade Math (32.97%) each trailed the state average by roughly 11 and 6.5 points respectively, even while edging out the district. Science also slipped notably from the prior year, falling from 54.26% in 2024–2025 to 42.86%, though the district's Science score dropped even more over the same period.
Penn Brook holds a 3-star rating and ranked 441 of 899 schools statewide in 2025–2026, at the 51st percentile — closely matching the Georgetown district's 52nd percentile and 3-star rating. Note that this percentile has drifted downward over three years, from the 63rd percentile in 2023–2024 to the 59th and then the 51st. Parents should also know that the student-teacher ratio was 17.3:1 in 2024–2025, the free/reduced-lunch percentage is not reported, and per-student spending ($15,556) is only available for 2020–2021, so it does not describe current funding.
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