| Waters Elementary | 389 | regular | other |
| Waters Landing Elementary | 735 | regular | other |
| WATERSET CHARTER SCHOOL | 1,169 | regular | elementary |
| Watershed Charter School | 200 | regular | elementary |
| WATERSHED HIGH SCHOOL | 57 | regular | high |
| Watershed Public Charter | 366 | regular | elementary |
| WATERSIDE CHILDREN'S STUDIO SCHOOL | 432 | regular | other |
| WATERSIDE SCHOOL FOR LEADERSHIP | 148 | regular | middle |
| Watersmeet Township School | 130 | regular | other |
| Watertown 4 Kids | 155 | regular | other |
| Watertown Elementary | 602 | regular | other |
| Watertown High | 761 | regular | high |
| Watertown High | 1,012 | regular | high |
| Watertown High School | 693 | regular | high |
| Watertown High School | 641 | regular | high |
| Watertown High School - 01 | 1,222 | regular | high |
| Watertown Intermediate School - 13 | 532 | regular | elementary |
| WATERTOWN MAYER HIGH | 516 | regular | high |
| Watertown Middle | 583 | regular | middle |
| Watertown Middle School | 324 | regular | middle |
| Watertown Middle School - 02 | 575 | regular | middle |
| WATERTOWN SENIOR HIGH SCHOOL | 1,181 | regular | high |
| Watertown-Mayer Cmty Learning Cntr | 24 | regular | other |
| WATERTOWN-MAYER ELEMENTARY SCHOOL | 482 | regular | elementary |
| WATERTOWN-MAYER MIDDLE | 418 | regular | elementary |
| Waterview Elementary | 576 | regular | elementary |
| Waterville Community Elementary School | 677 | regular | other |
| WATERVILLE ELEMENTARY | 264 | regular | other |
| Waterville Elementary | 129 | regular | elementary |
| Waterville Elementary School | 79 | regular | other |
| Waterville High School | 127 | regular | other |
| WATERVILLE JR/SR HIGH SCHOOL | 349 | regular | other |
| Waterville Junior High School | 325 | regular | middle |
| Waterville Primary School | 468 | regular | other |
| Waterville Senior High School | 529 | regular | high |
| Waterville Valley Elementary School | 33 | regular | elementary |
| WATERVILLE-ELYSIAN-MORRISTOWN JR. | 105 | regular | middle |
| WATERVILLE-ELYSIAN-MORRISTOWN SR. | 232 | regular | high |
| WATERVLIET ELEMENTARY SCHOOL | 670 | regular | other |
| WATERVLIET JUNIOR-SENIOR HIGH SCHOOL | 785 | regular | other |
| Watervliet Middle School | 309 | regular | middle |
| Watervliet Senior High School | 360 | regular | high |
| Waterway Elementary | 912 | regular | other |
| WATFORD CITY HIGH SCHOOL | 566 | regular | high |
| WATFORD CITY MIDDLE SCHOOL | 509 | regular | middle |
| WATKINS EARLY CHILDHOOD CENTER | 326 | regular | other |
| WATKINS ELEM. | 252 | regular | other |
| WATKINS ELEMENTARY | 60 | regular | other |
| WATKINS ELEMENTARY SCHOOL | 390 | regular | other |
| Watkins Elementary School | 278 | regular | other |
