Regional School District 18 Schools
Regional School District 18 is a public school district in Connecticut, based in Lower Connecticut River Valley Planning Region (Old Lyme). SchoolGrade grades 5 of its schools on actual versus projected test scores; every school below has its own page.
Regional School District 18 on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Regional School District 18
4 of 5 schools in Regional School District 18 carry a SchoolGrade (1 have no school-level proficiency results in our source data). Grade distribution:
A: 4
Best schools in Regional School District 18
Statewide rankings: all 184 high schools in Connecticut · all 156 middle schools in Connecticut · all 559 elementary schools in Connecticut
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- A+ Lyme Consolidated School (Elementary school, greatly exceeds expectations)
- A+ Mile Creek School (Elementary school, exceeds expectations)
- A Lyme Old Lyme High School (High school, exceeds expectations)
- A- Lyme Old Lyme Middle School (Middle school, exceeds expectations)
Every school in Regional School District 18
All schools, A to Z (5)
- Center School, Old Lyme
- A+ Lyme Consolidated School, Lyme
- A Lyme Old Lyme High School, Old Lyme
- A- Lyme Old Lyme Middle School, Old Lyme
- A+ Mile Creek School, Old Lyme
Where Regional School District 18 schools are
Cities and towns served (1)
- Old Lyme (4)
About this district
- State: Best schools in Connecticut
- County: Lower Connecticut River Valley Planning Region
- Type: regular local school district
- Setting: fringe rural (NCES locale of the district office)
- Enrollment: 1,292 students with 122 full-time-equivalent teachers and 301 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0903540
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- East Lyme School District (5 schools, 5 mi)
- Old Saybrook School District (3 schools, 6 mi)
- East Haddam School District (3 schools, 9 mi)
- Westbrook School District (3 schools, 9 mi)
- Waterford School District (5 schools, 9 mi)
- Montville School District (5 schools, 11 mi)
- Clinton School District (3 schools, 12 mi)
- New London School District (6 schools, 12 mi)
Questions about Regional School District 18
How many schools are in Regional School District 18?
SchoolGrade grades 5 public schools in Regional School District 18, across 1 city or town. Every one of them is listed on this page with a link to its own report.
Which cities does Regional School District 18 serve?
The largest by graded schools: Old Lyme.
How good are the schools in Regional School District 18?
Across the 4 graded schools, the average SchoolGrade is A, with 73% of tested students meeting the state bar against a projected 64%. 100% of schools meet or exceed the expectation for their student context.
How many students attend Regional School District 18?
1,292 students were enrolled in Regional School District 18 in the 2023-24 school year, about 10.6 students per full-time teacher (NCES Common Core of Data).
Where is Regional School District 18?
Regional School District 18 is in Connecticut, based in Lower Connecticut River Valley Planning Region, with its district office in Old Lyme. Its boundary covers about 54.8 sq mi.