| Academy Charter School 2 (the) | KG | 03 | 38 | 153 | 0 | 0 | 191 | 0.00 | 67.02 | 1.57 | 25.65 | 5.76 | 79.58 | 12.73 |
| Academy Street Elementary School | KG | 05 | 55 | 252 | 0 | 0 | 307 | 88.31 | 0.65 | 2.27 | 7.79 | 0.97 | 8.12 | 8.29 |
| Accompsett Elementary School | KG | 05 | 92 | 440 | 0 | 0 | 532 | 78.01 | 1.69 | 3.38 | 14.29 | 2.63 | 11.84 | 12.52 |
| Albany Avenue School | KG | 05 | 79 | 432 | 0 | 0 | 511 | 41.49 | 2.54 | 5.09 | 49.12 | 1.76 | 49.90 | 12.53 |
| Alleghany Avenue School | KG | 05 | 53 | 244 | 0 | 0 | 297 | 62.42 | 5.37 | 2.68 | 28.52 | 1.01 | 46.98 | 8.38 |
| Amagansett School | PK | 06 | 41 | 71 | 12 | 0 | 124 | 75.00 | 1.61 | 0.81 | 21.77 | 0.81 | 0.00 | 7.75 |
| Andrew Muller Primary School | KG | 02 | 133 | 311 | 0 | 0 | 444 | 82.21 | 2.25 | 2.25 | 10.36 | 2.93 | 19.37 | 10.20 |
| Andrew T Morrow School | KG | 08 | 115 | 558 | 107 | 0 | 780 | 2.90 | 12.22 | 1.76 | 81.36 | 1.76 | 72.17 | 13.16 |
| Anthony Alfano Elementary School | PK | 06 | 153 | 282 | 61 | 0 | 496 | 3.02 | 11.47 | 0.60 | 83.30 | 1.61 | 80.68 | 12.66 |
| Aquebogue Elementary School | KG | 05 | 88 | 347 | 0 | 0 | 435 | 28.44 | 6.88 | 0.00 | 62.84 | 1.83 | 40.37 | 8.71 |
| Arrowhead Elementary School | PK | 06 | 111 | 357 | 89 | 0 | 557 | 62.30 | 2.12 | 14.16 | 16.11 | 5.31 | 18.58 | 10.99 |
| Babylon Elementary School | KG | 02 | 103 | 262 | 0 | 0 | 365 | 77.53 | 1.64 | 2.47 | 13.15 | 5.21 | 9.04 | 11.24 |
| Babylon Memorial Grade School | 03 | 06 | 0 | 369 | 104 | 0 | 473 | 75.26 | 2.54 | 1.69 | 17.34 | 3.17 | 15.64 | 12.27 |
| Barton Elementary School | PK | 05 | 79 | 402 | 0 | 0 | 481 | 44.31 | 9.76 | 2.44 | 39.84 | 3.66 | 42.48 | 10.70 |
| Bay Elementary School | KG | 05 | 86 | 333 | 0 | 0 | 419 | 40.10 | 3.58 | 1.43 | 50.84 | 4.06 | 44.87 | 12.69 |
| Bayview Elementary School | PK | 05 | 122 | 304 | 0 | 0 | 426 | 86.15 | 1.17 | 0.23 | 8.22 | 4.23 | 11.03 | 12.74 |
| Belmont Elementary School | KG | 05 | 59 | 313 | 0 | 0 | 372 | 25.00 | 18.82 | 5.65 | 43.28 | 7.26 | 56.99 | 10.68 |
| Bicycle Path Kindergarten-pre K Center | PK | KG | 413 | 0 | 0 | 0 | 413 | 49.39 | 5.57 | 10.17 | 30.51 | 4.36 | 44.55 | 25.49 |
| Birchwood Intermediate School | 03 | 05 | 0 | 636 | 0 | 0 | 636 | 31.60 | 5.50 | 4.72 | 54.87 | 3.30 | 50.94 | 10.86 |
| Blue Point Elementary School | KG | 05 | 37 | 181 | 0 | 0 | 218 | 87.21 | 2.28 | 1.37 | 5.48 | 3.65 | 13.70 | 7.22 |
| Boyle Road Elementary School | 03 | 05 | 0 | 313 | 0 | 0 | 313 | 55.38 | 2.22 | 2.22 | 35.76 | 4.43 | 32.28 | 12.10 |
| Bretton Woods Elementary School | PK | 05 | 76 | 436 | 0 | 0 | 512 | 53.61 | 4.68 | 13.84 | 23.98 | 3.90 | 22.81 | 9.64 |
| Brook Avenue Elementary School | KG | 02 | 126 | 262 | 0 | 0 | 388 | 21.65 | 10.82 | 4.38 | 60.31 | 2.84 | 55.41 | 8.29 |
| Brookhaven Elementary School | PK | 03 | 125 | 396 | 0 | 0 | 521 | 26.87 | 13.24 | 1.73 | 54.32 | 3.84 | 50.86 | 10.61 |
| Burr Intermediate School | 03 | 05 | 0 | 676 | 0 | 0 | 676 | 71.15 | 1.78 | 11.09 | 13.61 | 2.37 | 10.65 | 12.73 |
| C E Walters School | KG | 04 | 167 | 638 | 0 | 0 | 805 | 51.49 | 10.67 | 1.99 | 28.41 | 7.44 | 50.25 | 14.98 |
| Canaan Elementary School | PK | 05 | 101 | 455 | 0 | 0 | 556 | 38.85 | 3.06 | 0.54 | 53.24 | 4.32 | 42.99 | 12.07 |
| Cayuga School | KG | 05 | 74 | 431 | 0 | 0 | 505 | 58.61 | 3.76 | 6.34 | 27.72 | 3.56 | 32.48 | 11.86 |
| Charles A Mulligan Elementary School | KG | 06 | 135 | 684 | 143 | 0 | 962 | 2.08 | 10.18 | 1.66 | 82.55 | 3.53 | 77.78 | 14.53 |
| Cherokee Street Elementary School | KG | 05 | 97 | 525 | 0 | 0 | 622 | 54.74 | 3.85 | 7.22 | 31.62 | 2.57 | 37.72 | 10.17 |
| Cherry Avenue Elementary School | PK | 05 | 84 | 283 | 0 | 0 | 367 | 87.19 | 0.00 | 0.54 | 8.45 | 3.81 | 8.17 | 12.23 |
| Chippewa Elementary School | KG | 05 | 78 | 446 | 0 | 0 | 524 | 61.83 | 4.20 | 5.73 | 24.24 | 4.01 | 29.01 | 12.67 |
| Clayton Huey Elementary School | PK | 06 | 102 | 508 | 1 | 0 | 611 | 63.47 | 3.41 | 0.97 | 26.62 | 5.52 | 34.74 | 13.84 |
| Clinton Avenue School | KG | 02 | 121 | 271 | 0 | 0 | 392 | 48.72 | 5.10 | 3.57 | 39.54 | 3.06 | 40.31 | 14.40 |
| Commack Road Elementary School | 02 | 05 | 0 | 435 | 0 | 0 | 435 | 33.56 | 7.13 | 5.75 | 49.43 | 4.14 | 0.00 | 10.99 |
| Connetquot Elementary School | PK | 02 | 107 | 257 | 0 | 0 | 364 | 50.00 | 4.67 | 5.49 | 36.26 | 3.57 | 39.56 | 9.66 |
| Coram Elementary School | KG | 04 | 187 | 772 | 0 | 0 | 959 | 33.58 | 18.25 | 4.80 | 32.64 | 10.74 | 56.00 | 13.71 |
| Cordello Avenue Elementary School | KG | 06 | 72 | 382 | 80 | 0 | 534 | 1.12 | 10.67 | 0.75 | 84.83 | 2.62 | 76.59 | 12.53 |
| Countrywood Primary Center | KG | 02 | 205 | 411 | 0 | 0 | 616 | 30.19 | 6.33 | 5.52 | 54.06 | 3.90 | 46.43 | 10.99 |
| Daniel Street School | PK | 05 | 76 | 395 | 0 | 0 | 471 | 59.67 | 4.28 | 3.26 | 30.75 | 2.04 | 39.92 | 10.97 |
| Dayton Avenue School | 03 | 06 | 0 | 294 | 109 | 0 | 403 | 77.00 | 0.97 | 0.97 | 19.37 | 1.69 | 0.00 | 9.54 |
| Deauville Gardens East Elementary School | KG | 05 | 70 | 391 | 0 | 0 | 461 | 10.85 | 19.09 | 1.74 | 65.73 | 2.60 | 61.39 | 16.18 |
| Deauville Gardens West Elementary School | KG | 05 | 68 | 359 | 0 | 0 | 427 | 9.84 | 15.22 | 0.70 | 73.07 | 1.17 | 63.23 | 14.15 |
| Dogwood Elementary School | KG | 05 | 60 | 307 | 0 | 0 | 367 | 80.93 | 0.82 | 2.45 | 11.72 | 4.09 | 8.17 | 12.90 |
| Eagle Elementary School | PK | 05 | 101 | 502 | 0 | 0 | 603 | 28.36 | 10.45 | 3.48 | 53.57 | 4.15 | 51.58 | 11.40 |
| East Elementary School | PK | KG | 483 | 0 | 0 | 0 | 483 | 4.14 | 4.76 | 2.07 | 87.58 | 1.45 | 80.33 | 14.86 |
| East Moriches Elementary School | PK | 05 | 72 | 265 | 0 | 0 | 337 | 71.47 | 0.88 | 1.47 | 20.29 | 5.88 | 24.41 | 12.29 |
| East Quogue School | KG | 06 | 46 | 274 | 46 | 0 | 366 | 63.11 | 0.27 | 1.09 | 32.51 | 3.01 | 26.50 | 9.15 |
| Eastport Elementary School | 03 | 06 | 0 | 246 | 75 | 0 | 321 | 80.37 | 0.31 | 0.62 | 16.51 | 2.18 | 21.50 | 11.23 |
| Edith L Slocum Elementary School | KG | 05 | 28 | 224 | 0 | 0 | 252 | 50.40 | 4.76 | 13.89 | 27.38 | 3.57 | 37.70 | 10.28 |
| Edward J Bosti Elementary School | PK | 05 | 58 | 213 | 0 | 0 | 271 | 74.02 | 2.49 | 3.56 | 14.23 | 5.69 | 24.91 | 8.27 |
| Eugene Auer Memorial School | 01 | 05 | 0 | 281 | 0 | 0 | 281 | 58.96 | 3.91 | 7.17 | 27.04 | 2.93 | 43.32 | 14.25 |
| Fifth Avenue Elementary School | KG | 04 | 73 | 304 | 0 | 0 | 377 | 81.43 | 0.80 | 2.39 | 12.47 | 2.92 | 8.22 | 11.57 |
| Fifth Avenue School | KG | 02 | 111 | 248 | 0 | 0 | 359 | 37.05 | 16.16 | 2.23 | 41.50 | 3.06 | 41.78 | 9.37 |
| Flower Hill School | KG | 03 | 79 | 198 | 0 | 0 | 277 | 28.72 | 8.51 | 2.13 | 56.03 | 4.61 | 46.10 | 11.50 |
| Forest Avenue School | PK | 05 | 44 | 229 | 0 | 0 | 273 | 44.69 | 10.62 | 2.93 | 38.46 | 3.30 | 49.45 | 10.46 |
| Forest Brook Elementary School | PK | 05 | 57 | 307 | 0 | 0 | 364 | 67.21 | 3.83 | 7.38 | 15.85 | 5.74 | 20.49 | 8.52 |
| Fort Salonga Elementary School | PK | 03 | 122 | 268 | 0 | 0 | 390 | 79.49 | 0.51 | 5.13 | 11.03 | 3.85 | 10.00 | 12.28 |
| Francis J O'neill School | KG | 06 | 71 | 430 | 91 | 0 | 592 | 2.03 | 20.44 | 0.51 | 75.00 | 2.03 | 78.38 | 13.61 |
| Frank J Carasiti Elementary School | KG | 02 | 172 | 336 | 0 | 0 | 508 | 72.64 | 2.17 | 0.39 | 21.46 | 3.35 | 31.50 | 10.29 |
| Frank P Long Intermediate School | 04 | 05 | 0 | 525 | 0 | 0 | 525 | 29.27 | 16.89 | 1.88 | 45.97 | 6.00 | 57.60 | 10.76 |
| Gardiner Manor School | 03 | 05 | 0 | 714 | 0 | 0 | 714 | 23.25 | 13.31 | 3.64 | 55.74 | 4.06 | 54.90 | 11.48 |
| Goosehill Primary Center | KG | 02 | 106 | 102 | 0 | 0 | 208 | 83.17 | 0.48 | 3.37 | 7.21 | 5.77 | 1.44 | 13.99 |
| Great Neck Road Elementary School | KG | 05 | 67 | 382 | 0 | 0 | 449 | 6.22 | 24.00 | 3.78 | 63.56 | 2.44 | 65.11 | 15.90 |
| Greenport Elementary School | PK | 06 | 73 | 205 | 48 | 0 | 326 | 18.40 | 4.29 | 0.92 | 69.94 | 6.44 | 61.66 | 12.26 |
| Grundy Avenue School | KG | 05 | 65 | 395 | 0 | 0 | 460 | 66.96 | 1.52 | 3.04 | 23.70 | 4.78 | 27.39 | 12.97 |
| Hampton Bays Elementary School | KG | 04 | 115 | 542 | 0 | 0 | 657 | 31.13 | 0.15 | 0.60 | 67.52 | 0.60 | 61.20 | 10.94 |
| Harding Avenue School | PK | 05 | 48 | 240 | 0 | 0 | 288 | 68.77 | 4.65 | 1.99 | 21.93 | 2.66 | 36.88 | 12.10 |
| Harley Avenue Elementary School | KG | 02 | 134 | 289 | 0 | 0 | 423 | 60.85 | 4.72 | 7.08 | 22.88 | 4.48 | 19.34 | 12.02 |
| Hawkins Path School | 01 | 05 | 0 | 372 | 0 | 0 | 372 | 39.95 | 7.57 | 10.70 | 34.99 | 6.79 | 48.30 | 13.77 |
| Helen B Duffield Elementary School | KG | 05 | 66 | 267 | 0 | 0 | 333 | 51.95 | 5.41 | 11.41 | 27.33 | 3.90 | 35.74 | 11.58 |
| Hemlock Elementary School | KG | 05 | 83 | 555 | 0 | 0 | 638 | 4.55 | 10.34 | 4.23 | 79.47 | 1.41 | 81.50 | 13.35 |
| Hiawatha School | KG | 05 | 65 | 519 | 0 | 0 | 584 | 51.37 | 4.97 | 9.76 | 29.62 | 4.28 | 45.38 | 12.25 |
| Holbrook Road School | 01 | 05 | 0 | 380 | 0 | 0 | 380 | 47.37 | 4.74 | 10.53 | 31.58 | 5.79 | 36.84 | 17.53 |
| Idle Hour Elementary School | KG | 05 | 45 | 169 | 0 | 0 | 214 | 88.32 | 0.00 | 0.00 | 9.35 | 2.34 | 0.00 | 12.35 |
| Indian Hollow School | KG | 02 | 91 | 156 | 0 | 0 | 247 | 77.33 | 0.81 | 8.10 | 11.34 | 2.43 | 9.72 | 14.26 |
| James H Boyd Elementary School | 03 | 06 | 0 | 413 | 0 | 0 | 413 | 55.98 | 6.46 | 10.77 | 22.49 | 4.31 | 24.16 | 11.24 |
| Jefferson School | KG | 03 | 62 | 230 | 0 | 0 | 292 | 29.11 | 5.14 | 1.71 | 61.99 | 2.05 | 50.00 | 9.47 |
| Jericho Elementary School | KG | 08 | 15 | 405 | 1 | 0 | 421 | 46.32 | 6.65 | 6.89 | 35.87 | 4.28 | 43.47 | 16.89 |
| John F Kennedy Elementary School | 03 | 05 | 0 | 430 | 0 | 0 | 430 | 71.86 | 2.09 | 2.56 | 22.33 | 1.16 | 26.05 | 11.09 |
| John F Kennedy Intermediate School | 03 | 05 | 0 | 833 | 0 | 0 | 833 | 23.96 | 21.22 | 18.36 | 32.42 | 4.05 | 49.34 | 10.47 |
| John F Kennedy School | PK | 05 | 66 | 267 | 0 | 0 | 333 | 67.87 | 5.11 | 2.70 | 19.82 | 4.50 | 26.73 | 11.02 |
| John M Marshall Elementary School | PK | 05 | 130 | 408 | 0 | 0 | 538 | 30.48 | 3.16 | 1.86 | 60.78 | 3.72 | 38.29 | 10.35 |
| John Pearl Elementary School | KG | 05 | 38 | 142 | 0 | 0 | 180 | 72.22 | 2.78 | 5.00 | 17.22 | 2.78 | 0.00 | 13.39 |
| John Quincy Adams Primary School | PK | 02 | 184 | 270 | 0 | 0 | 454 | 26.87 | 18.72 | 19.38 | 32.38 | 2.64 | 50.88 | 10.13 |
| John S Hobart Elementary School | KG | 05 | 125 | 643 | 0 | 0 | 768 | 22.83 | 20.15 | 2.81 | 48.34 | 5.87 | 60.59 | 12.61 |
| Joseph A Edgar Imtermediate School | 03 | 05 | 0 | 561 | 0 | 0 | 561 | 72.06 | 1.23 | 1.05 | 23.02 | 2.64 | 34.45 | 10.81 |
| Kreamer Street Elementary School | KG | 03 | 82 | 203 | 0 | 0 | 285 | 30.66 | 19.16 | 0.70 | 41.81 | 7.67 | 48.43 | 9.35 |
| Lafrancis Hardiman Elementary School | PK | 02 | 248 | 372 | 0 | 0 | 620 | 1.12 | 27.75 | 0.16 | 70.49 | 0.48 | 85.81 | 14.74 |
| Laurel Park Elementary School | 01 | 05 | 0 | 622 | 0 | 0 | 622 | 3.54 | 5.47 | 0.48 | 89.39 | 1.13 | 89.39 | 12.68 |
| Lincoln Avenue Elementary School | PK | 06 | 102 | 309 | 1 | 0 | 412 | 79.71 | 2.17 | 3.14 | 11.11 | 3.86 | 14.49 | 11.14 |
| Lloyd Harbor School | 02 | 06 | 0 | 307 | 84 | 0 | 391 | 88.49 | 0.00 | 2.56 | 5.63 | 3.32 | 1.79 | 12.75 |
| Loretta Park Elementary School | 01 | 05 | 0 | 641 | 0 | 0 | 641 | 3.12 | 7.02 | 0.47 | 88.30 | 1.09 | 91.42 | 15.03 |
| Lynwood Avenue School | KG | 05 | 86 | 482 | 0 | 0 | 568 | 54.23 | 6.16 | 5.46 | 30.11 | 4.05 | 44.54 | 12.14 |
| Manetuck Elementary School | PK | 05 | 113 | 406 | 0 | 0 | 519 | 77.69 | 1.35 | 2.88 | 14.42 | 3.65 | 17.31 | 12.89 |
| Maplewood Intermediate School | 03 | 05 | 0 | 572 | 0 | 0 | 572 | 36.63 | 7.64 | 6.25 | 46.01 | 3.47 | 40.28 | 11.33 |
| Marguerite L Mulvey School | KG | 06 | 67 | 369 | 95 | 0 | 531 | 0.94 | 9.77 | 1.69 | 85.34 | 2.26 | 80.45 | 12.84 |
| Marion G Vedder Elementary School | PK | 05 | 188 | 221 | 0 | 0 | 409 | 29.58 | 17.36 | 8.80 | 37.65 | 6.60 | 44.25 | 12.69 |
| Martin Luther King Elementary School | 03 | 05 | 0 | 602 | 0 | 0 | 602 | 1.47 | 29.80 | 0.33 | 67.92 | 0.49 | 83.39 | 14.35 |
| Mary G Clarkson School | KG | 02 | 165 | 327 | 0 | 0 | 492 | 19.72 | 14.02 | 6.71 | 57.52 | 2.03 | 52.44 | 8.80 |
| Mattituck-cutchogue Elementary School | PK | 06 | 59 | 319 | 68 | 0 | 446 | 64.43 | 0.89 | 0.22 | 31.99 | 2.46 | 34.68 | 7.67 |
| Maud S Sherwood Elementary School | 02 | 05 | 0 | 351 | 0 | 0 | 351 | 52.99 | 3.70 | 4.27 | 33.90 | 5.13 | 33.33 | 10.34 |
| May Moore Primary School | PK | 02 | 192 | 288 | 0 | 0 | 480 | 23.33 | 20.00 | 18.75 | 32.50 | 5.42 | 41.67 | 10.06 |
| Medford Elementary School | PK | 05 | 71 | 366 | 0 | 0 | 437 | 30.82 | 3.88 | 0.46 | 61.42 | 3.42 | 48.17 | 11.31 |
| Merrimac School | KG | 05 | 45 | 294 | 0 | 0 | 339 | 70.50 | 4.72 | 2.65 | 15.63 | 6.49 | 27.43 | 9.55 |
| Miller Avenue School | KG | 02 | 142 | 277 | 0 | 0 | 419 | 80.71 | 0.95 | 1.90 | 13.10 | 3.33 | 0.00 | 11.35 |
| Mills Pond Elementary School | KG | 05 | 40 | 317 | 0 | 0 | 357 | 72.55 | 1.40 | 7.56 | 14.85 | 3.64 | 12.89 | 11.43 |
| Minnesauke Elementary School | PK | 06 | 104 | 443 | 85 | 0 | 632 | 70.77 | 1.90 | 9.48 | 11.06 | 6.79 | 11.69 | 13.76 |
| Montauk School | PK | 08 | 56 | 156 | 83 | 0 | 295 | 64.98 | 2.02 | 0.34 | 29.29 | 3.37 | 0.00 | 7.43 |
| Moriches Elementary School | KG | 05 | 123 | 723 | 0 | 0 | 846 | 24.82 | 13.48 | 2.25 | 52.36 | 7.09 | 57.57 | 14.64 |
| Mount Pleasant Elementary School | KG | 05 | 81 | 424 | 0 | 0 | 505 | 72.13 | 2.96 | 8.50 | 14.23 | 2.17 | 14.23 | 13.06 |
| Mount Sinai Elementary School | KG | 04 | 145 | 509 | 0 | 0 | 654 | 75.08 | 1.07 | 4.43 | 16.82 | 2.60 | 13.30 | 13.56 |
| Nassakeag Elementary School | PK | 06 | 98 | 368 | 71 | 0 | 537 | 57.91 | 2.42 | 24.39 | 11.36 | 3.91 | 10.24 | 12.99 |
| Nathaniel Woodhull Elementary School | KG | 05 | 146 | 640 | 0 | 0 | 786 | 29.52 | 11.45 | 3.94 | 49.75 | 5.34 | 51.78 | 14.83 |
| New Lane Memorial Elementary School | 01 | 05 | 0 | 782 | 0 | 0 | 782 | 47.13 | 8.30 | 8.56 | 32.82 | 3.19 | 46.49 | 18.44 |
| New Suffolk School | PK | 06 | 2 | 4 | 2 | 0 | 8 | 75.00 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 1.60 |
| Nokomis School | KG | 05 | 94 | 367 | 0 | 0 | 461 | 58.79 | 3.90 | 4.77 | 27.98 | 4.56 | 30.37 | 11.47 |
| North Coleman Road School | PK | 05 | 96 | 242 | 0 | 0 | 338 | 47.49 | 8.26 | 10.32 | 30.09 | 3.83 | 38.64 | 19.99 |
| North Elementary School | 01 | 05 | 0 | 855 | 0 | 0 | 855 | 1.99 | 6.08 | 1.17 | 88.89 | 1.87 | 85.03 | 14.90 |
| North Ridge School | KG | 02 | 97 | 242 | 0 | 0 | 339 | 69.62 | 1.47 | 9.73 | 16.52 | 2.65 | 8.26 | 11.71 |
| Northeast Elementary School | 01 | 05 | 0 | 935 | 0 | 0 | 935 | 2.78 | 5.03 | 0.75 | 89.30 | 2.14 | 86.42 | 16.37 |
| Northeast School | PK | 02 | 121 | 5 | 0 | 0 | 126 | 8.73 | 27.78 | 0.79 | 59.52 | 3.17 | 68.25 | 6.45 |
| Norwood Avenue School | KG | 04 | 72 | 353 | 0 | 0 | 425 | 79.06 | 0.94 | 1.88 | 15.53 | 2.59 | 16.71 | 13.04 |
| Norwood Avenue School | KG | 03 | 92 | 213 | 0 | 0 | 305 | 58.36 | 3.61 | 0.98 | 34.75 | 2.30 | 33.44 | 11.79 |
| Oak Park Elementary School | KG | 05 | 3 | 698 | 0 | 0 | 701 | 2.23 | 6.01 | 2.51 | 86.87 | 2.37 | 86.59 | 13.17 |
| Oakwood Primary Center | PK | 02 | 185 | 458 | 0 | 0 | 643 | 30.33 | 4.82 | 4.67 | 56.30 | 3.89 | 50.86 | 11.43 |
| Ocean Avenue School | KG | 04 | 72 | 275 | 0 | 0 | 347 | 79.54 | 0.29 | 3.17 | 13.54 | 3.46 | 12.10 | 12.14 |
| Oquenock Elementary School | PK | 05 | 119 | 300 | 0 | 0 | 419 | 71.60 | 1.43 | 3.58 | 21.24 | 2.15 | 20.29 | 11.84 |
| Otsego Elementary School | KG | 05 | 73 | 502 | 0 | 0 | 575 | 40.48 | 11.49 | 23.50 | 20.24 | 4.29 | 31.39 | 12.21 |
| Oxhead Road School | 01 | 05 | 0 | 359 | 0 | 0 | 359 | 44.29 | 4.18 | 8.08 | 40.11 | 3.34 | 43.18 | 15.51 |
| Oysterponds Elementary School | PK | 06 | 27 | 53 | 5 | 0 | 85 | 67.06 | 3.53 | 0.00 | 25.88 | 3.53 | 0.00 | 6.59 |
| Park Avenue School | 02 | 05 | 0 | 570 | 0 | 0 | 570 | 3.98 | 29.93 | 0.35 | 60.03 | 5.71 | 72.84 | 9.73 |
| Parkview Elementary School | PK | 03 | 156 | 307 | 0 | 0 | 463 | 74.51 | 0.65 | 2.59 | 18.79 | 3.46 | 15.98 | 11.76 |
| Parliament Place School | KG | 05 | 83 | 362 | 0 | 0 | 445 | 13.93 | 24.27 | 7.64 | 50.11 | 4.04 | 51.69 | 10.05 |
| Paul J Bellew Elementary School | PK | 05 | 113 | 351 | 0 | 0 | 464 | 85.26 | 0.21 | 1.50 | 10.47 | 2.56 | 10.26 | 12.44 |
| Paumanok Elementary School | KG | 05 | 88 | 466 | 0 | 0 | 554 | 34.42 | 16.44 | 23.63 | 18.49 | 7.02 | 26.71 | 12.47 |
| Phillips Avenue School | PK | 04 | 179 | 475 | 0 | 0 | 654 | 11.47 | 7.80 | 0.76 | 78.90 | 1.07 | 47.55 | 12.80 |
| Pine Park Elementary School | KG | 01 | 553 | 10 | 0 | 0 | 563 | 4.44 | 8.88 | 1.42 | 82.95 | 2.31 | 81.17 | 14.26 |
| Pines Elementary School | PK | 05 | 89 | 395 | 0 | 0 | 484 | 71.31 | 2.46 | 7.79 | 13.93 | 4.51 | 11.48 | 10.66 |
| Port Jefferson Elementary School | PK | 05 | 86 | 272 | 0 | 0 | 358 | 72.78 | 1.39 | 6.39 | 16.94 | 2.50 | 15.28 | 10.40 |
| Pulaski Road School | KG | 04 | 66 | 289 | 0 | 0 | 355 | 64.51 | 1.97 | 3.38 | 25.63 | 4.51 | 25.07 | 9.79 |
| Quogue Elementary School | PK | 06 | 19 | 60 | 5 | 0 | 84 | 85.71 | 0.00 | 0.00 | 13.10 | 1.19 | 0.00 | 6.00 |
| Remsenburg-speonk Elementary School | KG | 06 | 24 | 89 | 20 | 0 | 133 | 66.92 | 0.75 | 0.00 | 25.56 | 6.77 | 0.00 | 6.39 |
| Ridge Elementary School | KG | 04 | 143 | 540 | 0 | 0 | 683 | 51.35 | 15.50 | 1.56 | 23.33 | 8.25 | 46.37 | 10.97 |
| Riley Avenue School | KG | 04 | 107 | 388 | 0 | 0 | 495 | 43.03 | 5.45 | 0.61 | 47.68 | 3.23 | 32.53 | 10.40 |
| River Elementary School | PK | 05 | 44 | 228 | 0 | 0 | 272 | 35.52 | 9.66 | 3.10 | 45.17 | 6.55 | 59.31 | 8.24 |
| Rj O Intermediate School | 04 | 05 | 35 | 359 | 0 | 0 | 394 | 78.03 | 1.26 | 3.79 | 13.13 | 3.79 | 16.67 | 10.82 |
| Roanoke Avenue School | KG | 04 | 83 | 318 | 0 | 0 | 401 | 14.46 | 8.48 | 1.00 | 73.82 | 2.24 | 51.62 | 9.76 |
| Rolling Hills School | KG | 02 | 68 | 150 | 0 | 0 | 218 | 50.00 | 2.29 | 22.48 | 20.18 | 5.05 | 22.94 | 11.38 |
| Ruth C Kinney Elementary School | 03 | 05 | 0 | 301 | 0 | 0 | 301 | 58.50 | 4.90 | 4.25 | 28.76 | 3.59 | 34.64 | 9.58 |
| Sag Harbor Elementary School | PK | 05 | 90 | 330 | 0 | 0 | 420 | 70.55 | 2.38 | 3.33 | 23.75 | 0.00 | 25.42 | 8.87 |
| Sagaponack School | PK | 03 | 10 | 5 | 0 | 0 | 15 | 80.00 | 13.33 | 0.00 | 0.00 | 6.67 | 0.00 | 5.77 |
| Saint James Elementary School | KG | 05 | 71 | 393 | 0 | 0 | 464 | 77.16 | 0.43 | 3.45 | 14.87 | 4.09 | 15.52 | 11.48 |
| Saltzman East Memorial Elementary School | KG | 05 | 109 | 514 | 0 | 0 | 623 | 27.61 | 10.59 | 8.67 | 47.35 | 5.78 | 54.09 | 10.44 |
| Santapogue School | PK | 05 | 64 | 292 | 0 | 0 | 356 | 38.48 | 7.02 | 6.18 | 44.94 | 3.37 | 45.51 | 9.73 |
| Sawmill Intermediate School | 03 | 05 | 0 | 546 | 0 | 0 | 546 | 62.72 | 3.23 | 13.98 | 16.31 | 3.76 | 15.59 | 9.23 |
| Setauket Elementary School | PK | 06 | 102 | 414 | 88 | 0 | 604 | 76.99 | 0.50 | 7.28 | 8.77 | 6.46 | 8.94 | 12.77 |
| Signal Hill Elementary School | KG | 05 | 117 | 545 | 0 | 0 | 662 | 56.99 | 5.86 | 17.89 | 14.59 | 4.66 | 16.69 | 13.43 |
| Smithtown Elementary School | KG | 05 | 71 | 412 | 0 | 0 | 483 | 69.57 | 1.01 | 5.48 | 20.49 | 3.45 | 16.63 | 12.02 |
| Sound Beach School | 03 | 05 | 0 | 488 | 0 | 0 | 488 | 78.07 | 3.28 | 2.25 | 12.50 | 3.89 | 18.65 | 11.69 |
| South Bay School | KG | 05 | 38 | 246 | 0 | 0 | 284 | 54.58 | 7.04 | 2.82 | 32.75 | 2.82 | 45.77 | 9.27 |
| South Country School | 03 | 05 | 0 | 466 | 0 | 0 | 466 | 30.27 | 14.72 | 5.73 | 46.01 | 3.27 | 52.76 | 9.38 |
| South Street School | PK | 02 | 84 | 167 | 0 | 0 | 251 | 70.12 | 1.99 | 1.59 | 21.12 | 5.18 | 0.00 | 10.60 |
| Southampton Elementary School | PK | 04 | 119 | 266 | 0 | 0 | 385 | 36.88 | 2.08 | 1.30 | 49.35 | 10.39 | 47.53 | 8.46 |
| Southdown School | KG | 03 | 64 | 222 | 0 | 0 | 286 | 34.27 | 3.85 | 0.70 | 59.44 | 1.75 | 45.80 | 9.66 |
| Southeast Elementary School | 01 | 05 | 0 | 544 | 0 | 0 | 544 | 2.57 | 6.25 | 0.18 | 88.79 | 2.21 | 86.95 | 16.13 |
| Southold Elementary School | KG | 06 | 39 | 230 | 43 | 0 | 312 | 58.65 | 1.28 | 0.32 | 37.82 | 1.92 | 28.85 | 9.20 |
| Southwest Elementary School | KG | 05 | 138 | 810 | 0 | 0 | 948 | 6.39 | 11.20 | 4.92 | 74.66 | 2.83 | 77.91 | 12.70 |
| Springs School | PK | 08 | 118 | 355 | 211 | 0 | 684 | 37.34 | 0.14 | 1.01 | 60.06 | 1.45 | 0.00 | 21.59 |
| Stagecoach School | KG | 05 | 7 | 354 | 0 | 0 | 361 | 43.09 | 7.46 | 10.50 | 35.36 | 3.59 | 45.30 | 16.03 |
| Sunquam Elementary School | KG | 05 | 79 | 402 | 0 | 0 | 481 | 53.37 | 7.57 | 16.56 | 15.34 | 7.16 | 19.84 | 11.36 |
| Sunrise Drive Elementary School | PK | 05 | 83 | 309 | 0 | 0 | 392 | 87.24 | 1.02 | 0.77 | 7.65 | 3.32 | 8.42 | 10.48 |
| Susan E Wiley School | KG | 05 | 84 | 540 | 0 | 0 | 624 | 6.09 | 8.49 | 1.12 | 83.33 | 0.96 | 65.06 | 15.59 |
| Sycamore Avenue Elementary School | KG | 05 | 55 | 346 | 0 | 0 | 401 | 73.07 | 3.24 | 3.49 | 16.96 | 3.24 | 28.43 | 8.40 |
| Sylvan Avenue Elementary School | PK | 05 | 93 | 206 | 0 | 0 | 299 | 78.93 | 1.34 | 1.67 | 14.05 | 4.01 | 18.06 | 10.79 |
| Tackan Elementary School | KG | 05 | 95 | 379 | 0 | 0 | 474 | 71.52 | 2.95 | 10.13 | 13.29 | 2.11 | 14.77 | 13.12 |
| Tamarac Elementary School | KG | 05 | 84 | 339 | 0 | 0 | 423 | 68.87 | 4.48 | 3.77 | 17.92 | 4.95 | 21.23 | 10.82 |
| Tangier Smith Elementary School | KG | 05 | 113 | 651 | 0 | 0 | 764 | 32.59 | 14.53 | 1.57 | 45.55 | 5.76 | 56.81 | 14.79 |
| Terryville Road School | 03 | 05 | 0 | 452 | 0 | 0 | 452 | 49.89 | 5.30 | 3.53 | 36.64 | 4.64 | 35.54 | 13.18 |
| Thomas J Lahey Elementary School | 03 | 05 | 0 | 581 | 0 | 0 | 581 | 69.36 | 2.41 | 4.99 | 20.14 | 3.10 | 14.29 | 10.70 |
| Timber Point Elementary School | PK | 02 | 115 | 219 | 0 | 0 | 334 | 77.54 | 2.10 | 1.20 | 16.47 | 2.69 | 11.08 | 11.35 |
| Tooker Avenue School | PK | 05 | 43 | 249 | 0 | 0 | 292 | 38.70 | 7.88 | 3.08 | 48.97 | 1.37 | 49.66 | 11.10 |
| Tremont Elementary School | PK | 05 | 81 | 390 | 0 | 0 | 471 | 52.44 | 7.43 | 2.12 | 34.82 | 3.18 | 40.76 | 11.57 |
| Tuckahoe School | PK | 08 | 39 | 134 | 73 | 0 | 246 | 23.98 | 2.44 | 0.81 | 53.66 | 19.11 | 55.69 | 7.69 |
| Tuttle Avenue School* | PK | 02 | 67 | 156 | 0 | 0 | 223 | 77.13 | 0.90 | 0.90 | 17.49 | 3.59 | 21.08 | 8.47 |
| Twin Pines Elementary School | 01 | 05 | 0 | 786 | 0 | 0 | 786 | 1.02 | 4.20 | 0.64 | 91.86 | 2.29 | 86.90 | 16.42 |
| Unity Drive Kindergarten-pre K Center | PK | KG | 538 | 0 | 0 | 0 | 538 | 49.07 | 4.65 | 10.04 | 30.86 | 5.39 | 38.48 | 27.51 |
| Vanderbilt Elementary School | KG | 05 | 124 | 580 | 0 | 0 | 704 | 45.96 | 11.21 | 19.43 | 17.45 | 5.96 | 20.99 | 14.15 |
| Verne W Critz Elementary School | KG | 03 | 61 | 225 | 0 | 0 | 286 | 32.53 | 12.80 | 1.38 | 50.17 | 3.11 | 45.33 | 9.90 |
| Wading River School | 03 | 05 | 0 | 431 | 0 | 0 | 431 | 78.62 | 0.46 | 1.38 | 15.86 | 3.68 | 0.00 | 10.40 |
| Wainscott School | KG | 04 | 1 | 21 | 0 | 0 | 22 | 27.27 | 0.00 | 4.55 | 63.64 | 4.55 | 0.00 | 7.10 |
| Washington Drive Primary School | KG | 02 | 216 | 413 | 0 | 0 | 629 | 70.11 | 2.70 | 5.72 | 15.58 | 5.88 | 11.29 | 10.67 |
| Washington School | KG | 03 | 69 | 269 | 0 | 0 | 338 | 29.59 | 3.55 | 3.55 | 58.28 | 5.03 | 51.48 | 9.68 |
| Waverly Avenue School | KG | 05 | 68 | 376 | 0 | 0 | 444 | 61.06 | 4.89 | 5.74 | 23.62 | 4.68 | 31.70 | 11.46 |
| Wenonah School | KG | 05 | 84 | 378 | 0 | 0 | 462 | 63.64 | 4.02 | 5.07 | 23.26 | 4.02 | 26.43 | 10.65 |
| West Gates Avenue School | PK | 05 | 52 | 250 | 0 | 0 | 302 | 63.25 | 3.64 | 2.98 | 27.48 | 2.65 | 40.73 | 12.73 |
| West Middle Island School | KG | 04 | 130 | 557 | 0 | 0 | 687 | 43.38 | 13.54 | 4.80 | 28.68 | 9.61 | 47.89 | 13.72 |
| Westhampton Beach Elementary School | KG | 05 | 45 | 286 | 0 | 0 | 331 | 46.99 | 1.20 | 2.11 | 46.39 | 3.31 | 35.24 | 7.03 |
| William E Deluca Jr Elementary School | KG | 05 | 67 | 374 | 0 | 0 | 441 | 23.82 | 23.82 | 7.19 | 42.92 | 2.25 | 53.03 | 10.17 |
| William Floyd Elementary School | KG | 05 | 132 | 598 | 0 | 0 | 730 | 30.11 | 12.23 | 3.36 | 50.81 | 3.49 | 52.69 | 13.25 |
| William Rall School | KG | 05 | 95 | 428 | 0 | 0 | 523 | 45.89 | 5.93 | 4.97 | 39.39 | 3.82 | 53.15 | 10.63 |
| William Sidney Mount Elementary School | PK | 06 | 91 | 348 | 75 | 0 | 514 | 56.81 | 1.56 | 23.74 | 12.84 | 5.06 | 20.04 | 13.58 |
| Wing Elementary School | KG | 01 | 190 | 188 | 0 | 0 | 378 | 53.00 | 4.18 | 4.44 | 34.73 | 3.66 | 33.16 | 11.14 |
| Wood Park School | KG | 02 | 96 | 186 | 0 | 0 | 282 | 66.67 | 1.77 | 11.35 | 15.60 | 4.61 | 16.31 | 10.14 |
| Woodhull School | PK | 06 | 5 | 31 | 4 | 0 | 40 | 80.00 | 10.00 | 0.00 | 10.00 | 0.00 | 0.00 | 4.94 |
| Woods Road Elementary School | KG | 05 | 48 | 286 | 0 | 0 | 334 | 29.04 | 22.75 | 7.19 | 35.63 | 5.39 | 45.51 | 10.07 |