Summary:
Zip code 06371, covering the Lyme/Old Lyme area of Connecticut, is served by four public schools—an elementary, a middle, and a high school, plus a PK–5 school—all part of the highly ranked Regional School District 18, which ranks 22nd out of 153 districts statewide.
Across the board, these schools outperform Connecticut state averages by 20 to 35 percentage points in nearly every subject. Mile Creek School stands out as the district’s top elementary performer, ranking 50th in the state and posting exceptional 5th grade ELA scores (87.8% proficient) while also having the lowest chronic absenteeism (3.7%) and the lowest free/reduced lunch rate (9.58%). Lyme-Old Lyme Middle School excels in 8th grade science (85.1% proficient) and math (76.6%), far above state norms. Lyme Consolidated School, though with less complete data, still posts strong math scores and has the highest economic diversity in the district (23.01% free/reduced lunch). Lyme-Old Lyme High School remains a strong academic school—80% proficient in SAT ELA and 72.9% in science—but its state rank slipped from 4th to 22nd this year, and its chronic absenteeism rate of 19.8% is more than double the district average and above the state average.
All four schools benefit from small class sizes (student-teacher ratios between 9.6 and 12.9) and generous per-student spending ($20,868 to $24,269). However, be aware of notable year-over-year test score volatility, especially in middle school math and elementary grades, and the high school’s attendance concerns. Overall, this is a high-performing, well-funded district with excellent academic results—just watch for the attendance and ranking trends at the high school level.
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