| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Regional School District 18 | Old Lyme | 10/10 Excellent · 94th pct | 1,288 | 5 | PK–12 | 3 |
| Deep River School District | Deep River | 10/10 Excellent · 93rd pct | 192 | 1 | K–6 | 1 |
| Chester School District | Chester | 10/10 Excellent · 92nd pct | 222 | 1 | K–6 | 1 |
| Essex School District | Centerbrook | 10/10 Excellent · 91st pct | 301 | 1 | PK–6 | 3 |
| Regional School District 17 | Killingworth | 8/10 Good · 73rd pct | 1,814 | 5 | PK–12 | 3 |
| Westbrook School District | Westbrook | 8/10 Good · 72nd pct | 617 | 3 | PK–12 | 1 |
| Old Saybrook School District | Old Saybrook | 7/10 Good · 68th pct | 1,070 | 3 | PK–12 | 1 |
| East Haddam School District | East Haddam | 6/10 Average · 50th pct | 990 | 3 | PK–12 | 2 |
| Portland School District | Portland | 5/10 Average · 49th pct | 1,240 | 5 | PK–12 | 1 |
| Regional School District 13 | Durham | 5/10 Average · 48th pct | 1,365 | 5 | PK–12 | 3 |
| East Hampton School District | Cobalt | 5/10 Average · 44th pct | 1,770 | 4 | PK–12 | 3 |
| Cromwell School District | Cromwell | 5/10 Average · 43rd pct | 1,947 | 4 | PK–12 | 1 |
| Clinton School District | Clinton | 5/10 Average · 42nd pct | 1,497 | 3 | PK–12 | 1 |
| Middletown School District | Middletown | 3/10 Below Average · 20th pct | 4,414 | 10 | PK–12 | 2 |
How Lower Connecticut River Valley Planning Region compares
Together they enroll 18,727 students across 53 schools. The largest is Middletown School District with 4,414 students. Districts here average 6.9/10, above the Connecticut average of 5.5/10. Ratings range from 3/10 to 10/10.
School Districts in Lower Connecticut River Valley Planning Region, Connecticut
Lower Connecticut River Valley Planning Region has 14 public school districts covering 26 zip codes. The top-rated district in Lower Connecticut River Valley Planning Region is Regional School District 18 (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Connecticut. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.