Summary:
Zip code 06488 (Southbury, CT) is served by four public schools in Regional School District 15 — two elementary schools (PK–5), one middle school (6–8), and one high school (9–12) — with a total enrollment of 2,098 students and a district ranking of 59th out of 153 Connecticut districts.
The standout school is Gainfield Elementary School, which ranks #33 out of 491 elementary schools (93rd percentile, 5 stars) and has risen from #110 just two years ago. Its 3rd grade ELA proficiency rate is 83.3% compared to just 49.3% at Pomperaug Elementary School — a 34-point gap between two schools in the same district with similar demographics. Pomperaug Regional High School ranks #16 out of 145 high schools with a 97.9% graduation rate, while Rochambeau Middle School has earned 4 stars three years running, ranking #63 out of 258 middle schools.
Science is a district-wide strength: 5th grade proficiency is about 80% at both elementary schools versus 52.9% statewide, and 8th and 11th grade science also beat state averages. Chronic absenteeism rises with grade level, from 3.1% at Gainfield to 13.3% at the high school, though all schools are below the state's 16.4% rate. Interestingly, spending does not predict performance — Pomperaug Elementary spends the most per student ($20,272) yet ranks the lowest, while Gainfield spends less ($18,838) and performs the best. This is a well-resourced, affluent district with free/reduced lunch rates between 10.9% and 14.7%, and parents choosing between the two elementary schools should note that Gainfield's outcomes are considerably stronger, particularly in ELA and math.
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