| Lyme Consolidated School | 0.0 |
Regular School | KG-5 | 10.5 | 6% |
| Center School | 0.7 |
Regular School | 3-5 | 11.1 | 8% |
| Kathleen E. Goodwin School | 3.3 |
Regular School | Pre-KG-3 | 9.6 | 19% |
| Mile Creek School | 3.5 |
Regular School | Pre-KG-2 | 12.1 | 3% |
| Essex Elementary School | 4.5 |
Regular School | Pre-KG-6 | 10.8 | 8% |
| Integrated Preschool | 5.7 |
Regular School | Pre-KG-Pre-KG | 15.5 | - |
| Daisy Ingraham School | 5.8 |
Regular School | Pre-KG-4 | 9.9 | 16% |
| Deep River Elementary School | 6.6 |
Regular School | KG-6 | 11.3 | 13% |
| Lillie B. Haynes School | 6.8 |
Regular School | KG-4 | 13.1 | 14% |
| Niantic Center School | 7.1 |
Regular School | KG-4 | 12.0 | 15% |
| Flanders School | 7.2 |
Regular School | KG-4 | 13.9 | 8% |
| Chester Elementary School | 8.2 |
Regular School | Pre-KG-6 | 10.3 | 11% |
| Oswegatchie Elementary School | 8.8 |
Regular School | Pre-KG-5 | 12.5 | 15% |
| Lewin G. Joel Jr. School | 9.7 |
Regular School | Pre-KG-3 | 12.2 | 16% |
| Great Neck Elementary School | 10.8 |
Regular School | Pre-KG-5 | 12.0 | 17% |
| The Friendship School | 10.9 |
Regular School | Pre-KG-KG | 13.9 | 53% |
| Dr. Charles E. Murphy School | 11.4 |
Regular School | Pre-KG-5 | 13.2 | 35% |
| Salem Elementary School | 11.9 |
Regular School | Pre-KG-8 | 11.1 | 8% |
| Killingworth Elementary School | 12.2 |
Regular School | Pre-KG-4 | 12.8 | 5% |
| Town Campus Learning Center | 12.4 |
Special Education School | Pre-KG-Pre-KG | 9.5 | 7% |
| Harbor School | 12.5 |
Regular School | Pre-KG-5 | 14.4 | 83% |
| Jennings School | 12.5 |
Regular School | Pre-KG-5 | 15.5 | 86% |
| Nathan Hale School | 12.6 |
Regular School | KG-5 | 14.4 | 81% |
| Multicultural Magnet School | 12.7 |
Regular School | KG-5 | 14.9 | 44% |
| Oakdale School | 12.9 |
Regular School | Pre-KG-5 | 12.5 | 21% |
| Quaker Hill Elementary School | 12.9 |
Regular School | KG-5 | 12.8 | 16% |
| Winthrop School | 12.9 |
Regular School | KG-5 | 11.8 | 90% |
| East Haddam Elementary School | 13.4 |
Regular School | Pre-KG-3 | 13.9 | 9% |
| Burr District Elementary School | 13.9 |
Regular School | Pre-KG-4 | 11.8 | 5% |
| Island Avenue Elementary School | 14.0 |
Regular School | 1-4 | 13.4 | 7% |
| Pleasant Valley School | 14.2 |
Regular School | Pre-KG-5 | 13.2 | 37% |
| J. Milton Jeffrey Elementary School | 14.4 |
Regular School | KG-4 | 14.6 | 4% |
| Catherine Kolnaski Magnet School | 14.5 |
Regular School | Pre-KG-5 | 13.1 | 66% |
| Mary Morrisson School | 14.7 |
Regular School | Pre-KG-5 | 13.3 | 38% |
| Charles Barnum School | 14.8 |
Regular School | Pre-KG-5 | 13.4 | 31% |
| Kathleen H. Ryerson Elementary School | 14.9 |
Regular School | 1-4 | 10.9 | 4% |
| Claude Chester School | 16.4 |
Regular School | Pre-KG-5 | 12.3 | 51% |
| Juliet W. Long School | 16.6 |
Regular School | 3-6 | 12.9 | 13% |
| Mohegan School | 16.6 |
Regular School | Pre-KG-5 | 12.5 | 42% |
| Gales Ferry School | 16.7 |
Regular School | KG-2 | 14.7 | 9% |
| Haddam Elementary School | 16.7 |
Regular School | KG-4 | 11.1 | 8% |
| Calvin Leete School | 17.3 |
Regular School | KG-4 | 13.7 | 4% |
| Jack Jackter Intermediate School | 17.3 |
Regular School | 3-5 | 14.6 | 14% |
| Colchester Elementary School | 17.4 |
Regular School | Pre-KG-2 | 15.4 | 12% |
| Thomas W. Mahan School | 17.6 |
Regular School | Pre-KG-5 | 20.2 | 65% |
| Uncas School | 18.2 |
Regular School | Pre-KG-5 | 19.8 | 78% |
| Guilford Lakes School | 18.2 |
Regular School | Pre-KG-4 | 13.1 | 5% |
| John B. Stanton School | 18.6 |
Regular School | KG-5 | 18.5 | 80% |
| S. B. Butler School | 18.6 |
Regular School | Pre-KG-5 | 12.3 | 12% |
| A. W. Cox School | 18.7 |
Regular School | KG-4 | 13.0 | 6% |
| Veterans' Memorial School | 18.7 |
Regular School | KG-5 | 17.5 | 81% |
| Memorial School | 18.7 |
Regular School | Pre-KG-3 | 13.8 | 7% |
| Ledyard Center School | 18.7 |
Regular School | KG-6 | 14.0 | 16% |
| Integrated Day Charter School | 18.9 |
Regular School | Pre-KG-8 | 15.7 | 28% |
| Northeast Academy Elementary School | 18.9 |
Regular School | Pre-KG-5 | 14.2 | 17% |
| Fields Memorial School | 19.3 |
Regular School | Pre-KG-8 | 10.4 | 13% |
| Bishop School | 20.0 |
Regular School | Pre-KG-Pre-KG | - | 82% |
| Samuel Huntington School | 20.0 |
Regular School | Pre-KG-5 | 16.7 | 50% |
| Francis E. Korn School | 20.3 |
Regular School | 3-4 | 11.9 | 7% |
| Gallup Hill School | 20.3 |
Regular School | Pre-KG-6 | 13.5 | 20% |
| Melissa Jones School | 20.3 |
Regular School | KG-4 | 13.2 | 8% |
| Hickory Street School | 20.4 |
Special Education School | 2-6 | 4.0 | 81% |
| Frederick Brewster School | 21.2 |
Regular School | Pre-KG-2 | 10.0 | 6% |
| Bielefield School | 21.4 |
Regular School | KG-5 | 14.0 | 50% |
| Farm Hill School | 21.6 |
Regular School | KG-5 | 13.8 | 54% |
| Deans Mill School | 21.7 |
Regular School | Pre-KG-4 | 14.7 | 0% |
| Elmer Thienes-mary Hall Elementary School | 21.9 |
Regular School | Pre-KG-6 | 15.4 | 7% |
| Wesley School | 22.0 |
Regular School | KG-5 | 15.7 | 37% |
| John M. Moriarty School | 22.4 |
Regular School | KG-5 | 17.6 | 73% |
| Wequonnoc School | 22.6 |
Regular School | Pre-KG-5 | 19.1 | 85% |
| Hebron Elementary School | 22.8 |
Regular School | 3-6 | 14.3 | 5% |
| Snow School | 22.9 |
Regular School | Pre-KG-5 | 14.6 | 41% |
| Valley View School | 23.0 |
Regular School | Pre-KG-2 | 13.6 | 19% |
| Lebanon Elementary School | 23.0 |
Regular School | Pre-KG-4 | 12.7 | 10% |
| Preston Veterans' Memorial School | 23.4 |
Regular School | Pre-KG-5 | 11.0 | 15% |
| Mary R. Tisko School | 23.5 |
Regular School | KG-4 | 11.9 | 10% |
| Macdonough School | 23.5 |
Regular School | KG-5 | 14.3 | 77% |
| Gildersleeve School | 23.6 |
Regular School | 3-4 | 13.2 | 15% |
| Totoket Valley Elementary School | 24.1 |
Regular School | 3-5 | 14.3 | 12% |
| Franklin Elementary School | 24.1 |
Regular School | Pre-KG-8 | 13.1 | 15% |
| Spencer School | 24.1 |
Regular School | KG-5 | 14.1 | 50% |
| John Lyman School | 24.1 |
Regular School | KG-4 | 13.8 | 5% |
| Jerome Harrison School | 24.5 |
Regular School | Pre-KG-2 | 15.0 | 11% |
| Indian Neck School | 24.5 |
Regular School | Pre-KG-Pre-KG | 9.2 | - |
| Sayles School | 24.6 |
Regular School | Pre-KG-8 | 12.5 | 41% |
| John B. Sliney School | 24.7 |
Regular School | KG-4 | 12.2 | 24% |
| Gilead Hill School | 24.7 |
Regular School | Pre-KG-2 | 12.7 | 5% |
| North Stonington Elementary School | 24.8 |
Regular School | Pre-KG-5 | 12.4 | 15% |
