County directory · Connecticut · 2026–27
School districts in Lower Connecticut River Valley Planning Region, CT
Lower Connecticut River Valley Planning Region has 15 regular public school districts, enrolling 18,840 students in 2024–25. The largest is Middletown School District (4,394 students, 23% of the county), followed by Cromwell School District and Regional School District 17. 14 of the 15 offer kindergarten. Connecticut's kindergarten cutoff: turn 5 by September 1.
The 15 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| Middletown School District 311 Hunting Hill Avenue, Middletown | Pre-K–12 | 10 | 4,394 | 247 | (860) 638-1401 |
| Cromwell School District 9 Captain James Mann Memorial Drive, Cromwell | Pre-K–12 | 4 | 1,841 | 107 | (860) 632-4830 |
| Regional School District 17 57 Little City Road, Higganum | Pre-K–12 | 5 | 1,716 | 101 | (860) 345-4534 |
| East Hampton School District 1 Community Dr Ste 1, East Hampton | Pre-K–12 | 4 | 1,676 | 96 | (860) 365-4000 |
| Clinton School District 137 B Glenwood Road, Clinton | Pre-K–12 | 3 | 1,426 | 88 | (860) 664-6500 |
| Regional School District 13 135-A Pickett Lane, Durham | Pre-K–12 | 4 | 1,339 | 94 | (860) 349-7200 |
| Regional School District 18 49 Lyme Street, Old Lyme | Pre-K–12 | 4 | 1,281 | 99 | (860) 434-7238 |
| Portland School District 33 East Main Street, Portland | Pre-K–12 | 5 | 1,250 | 96 | (860) 342-6790 |
| Old Saybrook School District 50 Sheffield Street, Old Saybrook | Pre-K–12 | 3 | 1,030 | 63 | (860) 395-3157 |
| East Haddam School District 1 Plains Road, Moodus | Pre-K–12 | 3 | 954 | 61 | (860) 873-5090 |
| Regional School District 04 1 Winthrop Road, Deep River | 7–12 | 2 | 646 | — | (860) 526-2417 |
| Westbrook School District 158 McVeagh Road, Westbrook | Pre-K–12 | 3 | 592 | 44 | (860) 399-6432 |
| Essex School District 1 Winthrop Road, Deep River | Pre-K–6 | 1 | 308 | 33 | (860) 526-2417 |
| Chester School District 1 Winthrop Road, Deep River | Pre-K–6 | 1 | 198 | 29 | (860) 526-2417 |
| Deep River School District 1 Winthrop Road, Deep River | Pre-K–6 | 1 | 189 | 22 | (860) 526-2417 |
Lower Connecticut River Valley Planning Region at a glance
Together the 15 districts run 53 schools from offices in 12 towns. The smallest by enrollment is Deep River School District, with 189 students; the median Lower Connecticut River Valley Planning Region district has 1,250. By grade span: 11 Pre-K–12, 3 Pre-K–6 and 1 7–12. Without kindergarten: Regional School District 04 (7–12).
Kindergarten in 2024–25, counting the 14 districts that report a K grade: 1,180 children. The biggest kindergarten was Middletown School District's, with 247; Cromwell School District had 107, and the smallest, Deep River School District, had 22.
Lower Connecticut River Valley Planning Region holds 15 of Connecticut's 168 regular districts (8.9%) and 4.0% of its 471,251 public school students, ranking 8th of 9 planning regions by number of districts and 7th by enrollment. By size, 9 enroll 1,000 to 4,999 and 6 have fewer than 1,000 students, and the average school here has about 355 students.
Which district am I in?
Each district draws its own attendance zones, so your home address decides it. There is no address lookup here; ask the district. Each one's own site:
Middletown School District · Cromwell School District · Regional School District 17 · East Hampton School District · Clinton School District · Regional School District 13 · Regional School District 18 · Portland School District · Old Saybrook School District · East Haddam School District · Regional School District 04 · Westbrook School District · Essex School District · Chester School District · Deep River School District
What grade will my child be in?
More in Connecticut
Every Connecticut district by county · Connecticut kindergarten cutoff
More Connecticut county directories: Capitol Planning Region (40) · Northeastern Connecticut Planning Region (18) · Northwest Hills Planning Region (19) · South Central Connecticut Planning Region (16) · Southeastern Connecticut Planning Region (20) · Western Connecticut Planning Region (16)