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Regional School District 18


At a glance
13thof 156 Connecticut districts▲ 6
Better than 91% of Connecticut districts
49 Lyme Street
Old Lyme, CT 06371
·(860) 434-7238·All Connecticut district rankings →
Statewide performance 2017–2025
2025: better than 91.7% of districts
5
Schools
1,278
Students
2
5-star schools
Top rankedLyme-Old Lyme High School4th of 141 Connecticut high schools
Biggest riser
Lyme Consolidated School up 42 spots statewide this year
Smallest classes
Lyme-Old Lyme High School 9.6 students per teacher
Summary:

Regional School District 18 in Connecticut is home to 5 high-performing schools, including 3 elementary schools, 1 middle school, and 1 high school. The district is ranked 13th out of 156 districts in the state and is rated 5 stars out of 5 by SchoolDigger, indicating exceptional educational quality.

The standout school in the district is Lyme-Old Lyme High School, which is ranked 4th out of 141 Connecticut high schools for the 2024-2025 school year and has consistently high performance, ranking 7th and 8th in the previous two school years. The school boasts impressive test scores, with 91.9% of 11th graders proficient or better in SAT/English Language Arts and 70.9% proficient or better in SAT/Math. Additionally, Mile Creek School, an elementary school, is ranked 50th out of 493 Connecticut elementary schools and has strong performance in English Language Arts and Math.

The schools in Regional School District 18 have relatively high spending per student, ranging from $20,868 to $48,063 for the 2018-2019 school year. This investment in education may contribute to the strong academic performance observed across the district. However, the variation in free/reduced lunch rates across the schools suggests potential differences in the socioeconomic backgrounds of the student populations, which is an area that could be further explored to ensure equitable access to educational opportunities.

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private





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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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