Summary:
Zip code 06419 is served by a single middle school, Haddam-Killingworth Middle School, which enrolls students in grades 6 through 8 and is part of the Regional School District 17. This school stands out as a high-performing institution in Connecticut, earning a 4-star rating from SchoolDigger and ranking in the top quartile of middle schools statewide. With an enrollment of 423 students and a favorable student-teacher ratio of 11.2 to 1, the school offers a supportive environment that consistently produces academic results well above state averages.
Across every subject and grade level, Haddam-Killingworth Middle School outperforms Connecticut state benchmarks by significant margins. In 2025–2026, average ELA proficiency was about 63% compared to the state’s 51%, while average math proficiency was roughly 58% versus the state’s 43%. The school's district ranks 44th out of 153 districts, and per-pupil spending reaches $17,295, reflecting strong community investment. Only 15.6% of students qualify for free or reduced lunch, indicating a relatively affluent student population that often correlates with higher achievement. The school’s science performance remains solid, with 8th-grade proficiency at 57.8% in 2025–2026, still above the state’s 50.9%.
While the school remains a strong choice for families, there are a few trends worth noting. Test scores declined noticeably from 2024–2025 to 2025–2026, with ELA proficiency dropping about 12–15 points in 6th and 7th grades, and 8th-grade math and science falling by roughly 12 points each. This contributed to the school’s state rank slipping from 33rd to 72nd, though it still retains a 4-star rating. Additionally, chronic absenteeism stands at 11.1%, which is better than the state average of 16.4% but higher than the district’s 7.7%. Overall, Haddam-Killingworth Middle School offers excellent academic foundations, strong resources, and low class sizes, making it a standout option in the area despite some recent performance fluctuations.
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