| Riverhead Charter School | 0.0 |
Regular School | KG-6 | 10.4 | 66% |
| Riley Avenue School | 1.0 |
Regular School | KG-4 | 20.0 | 34% |
| Roanoke Avenue School | 4.2 |
Regular School | KG-4 | 15.6 | 66% |
| Phillips Avenue School | 5.0 |
Regular School | Pre-KG-4 | 19.5 | 67% |
| Wading River School | 5.2 |
Regular School | 1-5 | 13.8 | 3% |
| South Street School | 6.1 |
Regular School | KG-2 | 14.2 | 6% |
| Aquebogue Elementary School | 6.3 |
Regular School | KG-4 | 16.6 | 42% |
| Eastport Elementary School | 6.9 |
Regular School | KG-6 | 13.6 | 5% |
| Dayton Avenue School | 7.3 |
Regular School | 3-6 | 15.7 | 20% |
| Miller Avenue School | 7.9 |
Regular School | 2-5 | 14.0 | 4% |
| Remsenburg Speonk Elementary School | 8.1 |
Regular School | KG-6 | 7.3 | 13% |
| Ridge Elementary School | 8.1 |
Regular School | KG-4 | 13.1 | 39% |
| East Moriches Elementary School | 8.3 |
Regular School | KG-4 | 15.9 | 10% |
| Westhampton Beach Elementary School | 8.8 |
Regular School | KG-5 | 9.7 | 24% |
| Briarcliff School | 8.8 |
Regular School | KG-1 | 17.5 | 4% |
| Clayton Huey Elementary School | 9.0 |
Regular School | Pre-KG-5 | 15.3 | 17% |
| Moriches Elementary School | 9.4 |
Regular School | KG-5 | 15.4 | 27% |
| Joseph A Edgar Imtermediate School | 9.9 |
Regular School | 3-5 | 14.8 | 23% |
| East Quogue School | 10.0 |
Regular School | KG-6 | 11.5 | 16% |
| Quogue Elementary School | 10.3 |
Regular School | Pre-KG-6 | 7.3 | 3% |
| Frank J Carasiti Elementary School | 10.3 |
Regular School | KG-2 | 13.7 | 22% |
| William Floyd Elementary School | 11.2 |
Regular School | KG-5 | 14.6 | 33% |
| John S Hobart Elementary School | 11.3 |
Regular School | KG-5 | 15.7 | 36% |
| C E Walters School | 11.3 |
Regular School | KG-4 | 16.9 | 44% |
| Nathaniel Woodhull Elementary School | 11.4 |
Regular School | KG-5 | 16.1 | 32% |
| Tangier Smith Elementary School | 11.8 |
Regular School | KG-5 | 17.1 | 36% |
| Hampton Bays Elementary School | 12.4 |
Regular School | KG-4 | 14.5 | 40% |
| West Middle Island School | 12.4 |
Regular School | KG-4 | 16.9 | 41% |
| Andrew Muller Primary School | 13.0 |
Regular School | KG-2 | 20.3 | 4% |
| Sound Beach School | 13.0 |
Regular School | 3-5 | 16.6 | 10% |
| Coram Elementary School | 13.4 |
Regular School | KG-4 | 17.6 | 40% |
| Brookhaven Elementary School | 13.6 |
Regular School | Pre-KG-3 | 12.7 | 36% |
| Eagle Elementary School | 14.2 |
Regular School | KG-5 | 16.9 | 50% |
| Mount Sinai Elementary School | 14.5 |
Regular School | KG-4 | 17.0 | 3% |
| New Suffolk School | 14.8 |
Regular School | Pre-KG-6 | 2.3 | - |
| New Lane Memorial Elementary School | 14.9 |
Regular School | 1-5 | 18.3 | 28% |
| Tecumseh Elementary School | 15.2 |
Regular School | KG-5 | 14.5 | 17% |
| Kreamer Street Elementary School | 15.4 |
Regular School | KG-3 | 13.1 | 40% |
| Bicycle Path Kindergarten Pre K Center | 15.5 |
Regular School | Pre-KG-KG | -0.4 | 200% |
| Clinton Avenue School | 15.5 |
Regular School | KG-5 | 17.1 | 19% |
| Stagecoach School | 15.6 |
Regular School | 1-5 | 16.0 | 33% |
| Tremont Elementary School | 15.8 |
Regular School | KG-5 | 16.2 | 34% |
| Mattituck Cutchogue Elementary School | 15.9 |
Regular School | KG-6 | 9.9 | 14% |
| Verne W Critz Elementary School | 16.0 |
Regular School | KG-3 | 13.2 | 40% |
| Terryville Road School | 16.0 |
Regular School | KG-5 | 17.0 | 29% |
| Lynwood Avenue School | 16.3 |
Regular School | KG-5 | 14.1 | 15% |
| Port Jefferson Elementary School | 16.3 |
Regular School | Pre-KG-5 | 11.8 | 4% |
| Boyle Road Elementary School | 16.4 |
Regular School | KG-5 | 14.5 | 22% |
| Barton Elementary School | 16.4 |
Regular School | Pre-KG-5 | 13.9 | 35% |
| Hawkins Path School | 16.4 |
Regular School | 1-5 | 16.4 | 31% |
| Norwood Avenue School | 17.0 |
Regular School | KG-5 | 16.1 | 24% |
| Arrowhead Elementary School | 17.1 |
Regular School | KG-6 | 12.0 | 10% |
| Medford Elementary School | 17.1 |
Regular School | KG-5 | 17.1 | 61% |
| North Coleman Road School | 17.1 |
Regular School | 1-5 | 13.5 | 24% |
| Waverly Avenue School | 17.2 |
Regular School | KG-5 | 14.9 | 15% |
| Tuckahoe School | 17.3 |
Regular School | Pre-KG-8 | 12.7 | 30% |
| Jericho Elementary School | 17.4 |
Regular School | 1-5 | 18.7 | 22% |
| Canaan Elementary School | 17.5 |
Regular School | Pre-KG-5 | 20.8 | 36% |
| Chippewa Elementary School | 17.6 |
Regular School | KG-5 | 14.6 | 14% |
| Bay Elementary School | 17.7 |
Regular School | KG-5 | 19.6 | 61% |
| Tamarac Elementary School | 18.0 |
Regular School | KG-5 | 16.9 | 7% |
| Unity Drive Kindergarten Pre K Center | 18.1 |
Regular School | Pre-KG-KG | -0.3 | 200% |
| River Elementary School | 18.4 |
Regular School | Pre-KG-5 | 21.1 | 45% |
| Holbrook Road School | 18.6 |
Regular School | 1-5 | 16.4 | 19% |
| Oxhead Road School | 18.8 |
Regular School | 1-5 | 16.4 | 34% |
| Southold Elementary School | 18.9 |
Regular School | KG-6 | 10.1 | 14% |
| Nokomis School | 18.9 |
Regular School | KG-5 | 15.0 | 19% |
| Minnesauke Elementary School | 18.9 |
Regular School | KG-6 | 15.0 | 4% |
| Southampton Elementary School | 18.9 |
Regular School | Pre-KG-4 | 10.5 | 29% |
| Nassakeag Elementary School | 19.0 |
Regular School | KG-6 | 14.0 | 3% |
| Setauket Elementary School | 19.1 |
Regular School | KG-6 | 13.7 | 2% |
| Merrimac School | 19.4 |
Regular School | KG-5 | 15.4 | 13% |
| Blue Point Elementary School | 19.5 |
Regular School | KG-5 | 8.6 | 5% |
| Hiawatha School | 19.6 |
Regular School | KG-5 | 14.7 | 18% |
| Grundy Avenue School | 19.8 |
Regular School | KG-5 | 16.3 | 18% |
| Sylvan Avenue Elementary School | 19.8 |
Regular School | KG-5 | 13.0 | 8% |
| Gatelot Avenue School | 19.9 |
Regular School | KG-5 | 17.4 | 20% |
| Eugene Auer Memorial School | 19.9 |
Regular School | 1-5 | 15.4 | 18% |
| Cayuga School | 20.0 |
Regular School | KG-5 | 17.4 | 13% |
| Wenonah School | 20.5 |
Regular School | KG-5 | 13.5 | 13% |
| William Sidney Mount School | 20.6 |
Regular School | KG-6 | 14.8 | 4% |
| Sunrise Drive Elementary School | 20.7 |
Regular School | KG-5 | 15.6 | 7% |
| Academy Street Elementary School | 20.8 |
Regular School | KG-5 | 13.1 | 4% |
| Mills Pond Elementary School | 21.0 |
Regular School | KG-5 | 19.6 | 4% |
| Lincoln Avenue Elementary School | 21.4 |
Regular School | KG-5 | 15.7 | 12% |
| Tackan Elementary School | 21.6 |
Regular School | KG-5 | 15.9 | 8% |
| Edith L Slocum Elementary School | 21.6 |
Regular School | KG-5 | 14.7 | 21% |
| Nesconset Elementary School | 21.8 |
Regular School | KG-5 | 14.3 | 6% |
| Saint James Elementary School | 21.9 |
Regular School | KG-5 | 16.5 | 6% |
| John Pearl Elementary School | 21.9 |
Regular School | KG-5 | 17.3 | 18% |
| Helen B Duffield Elementary School | 22.0 |
Regular School | KG-5 | 13.1 | 16% |
| Cherokee Street Elementary School | 22.2 |
Regular School | KG-5 | 14.5 | 17% |
| Cherry Avenue Elementary School | 22.4 |
Regular School | KG-5 | 16.6 | 6% |
| Edward J Bosti Elementary School | 22.5 |
Regular School | KG-5 | 11.7 | 9% |
| Sycamore Avenue Elementary School | 22.7 |
Regular School | KG-5 | 12.5 | 7% |
| Branch Brook Elementary School | 23.0 |
Regular School | KG-5 | 20.0 | 6% |
| Dogwood Elementary School | 23.1 |
Regular School | KG-5 | 15.2 | 3% |
| Greenport Elementary School | 23.1 |
Regular School | KG-6 | 12.2 | 96% |
| Connetquot Alternative Preschool At Premm | 23.7 |
Regular School | Pre-KG-Pre-KG | - | - |
| Smithtown Elementary School | 23.9 |
Regular School | KG-5 | 16.3 | 5% |
| Mount Pleasant Elementary School | 24.0 |
Regular School | KG-5 | 18.6 | 3% |
| Andrew T Morrow School | 24.0 |
Regular School | KG-4 | 17.0 | 74% |
| Sag Harbor Elementary School | 24.3 |
Regular School | Pre-KG-5 | 10.4 | - |
| Sagaponack School | 24.3 |
Regular School | 1-4 | 5.2 | - |
