Best Public Schools in Killingworth, CT


The city of Killingworth, Connecticut is home to two high-performing public schools that serve students from elementary through middle school grades. Haddam-Killingworth Middle School and Haddam-Killingworth Intermediate School are both ranked among the top schools in the state, with 4-star ratings from SchoolDigger.

Haddam-Killingworth Middle School is the standout performer, ranking 46th out of 249 Connecticut middle schools. The school boasts consistently high proficiency rates on standardized tests, with over 70% of students meeting or exceeding expectations in English Language Arts and nearly 60% in Mathematics. Notably, the school's 8th grade students achieved a 71.2% proficiency rate in NGSS Science, far surpassing the state average of 47.6%. Despite a relatively high student-teacher ratio of 9.8, the middle school maintains a low free/reduced lunch rate of just 12.03%, indicating a strong socioeconomic profile.

At the elementary level, Haddam-Killingworth Intermediate School also stands out, ranking 98th out of 491 Connecticut elementary schools. The school's students demonstrate impressive academic performance, with proficiency rates ranging from 73.5% to 78.6% in English Language Arts and 62.9% to 70.4% in Mathematics across grades 4-5. Haddam-Killingworth Intermediate School has the lowest student-teacher ratio of 9.3 among the 3 elementary schools in the Regional School District 17, which is ranked 23rd out of 151 districts in the state.

Cities Near Killingworth

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Connecticut Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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