| The School for Creative Studies | 350 | regular | other |
| THE SCHOOL OF ARTS & SCIENCES CENTRE | 448 | regular | elementary |
| THE SCHOOL OF ARTS AND SCIENCES ON THOMASVILLE | 461 | regular | elementary |
| The School of Liberal Studies at Savannah High | 575 | regular | high |
| The School of One | 264 | regular | other |
| The Science Leadership Academy at Beeber | 532 | regular | other |
| The SD of Philadelphia Virtual Academy | 913 | regular | other |
| The SEED PCS of Washington DC | 245 | regular | high |
| The SEED School of Los Angeles County | 206 | regular | high |
| The Seed School of Maryland | 395 | regular | other |
| THE SEED SCHOOL OF MIAMI | 232 | alternative | other |
| The SER Learning Academy East | 107 | alternative | high |
| The Skokie School | 362 | regular | elementary |
| The Sojourner Truth School PCS | 292 | regular | other |
| THE SOULARD SCHOOL | 138 | regular | elementary |
| The South Carolina Preparatory Academy | 422 | regular | other |
| The Springfield Renaissance School an Expeditionary Learning | 593 | regular | other |
| The Springfield Virtual School | 250 | regular | other |
| The STEAD School | 421 | regular | high |
| THE STEM ACADEMY | 755 | regular | other |
| The STEM Academy at Bartlett | 625 | regular | middle |
| The Studio School | 215 | regular | elementary |
| The Studios @ Central | 300 | regular | elementary |
| THE SUMMIT (HIGH SCHOOL) | 161 | alternative | high |
| THE SUMMIT LEADERSHIP ACADEMY | 220 | regular | elementary |
| THE TIGER TRAIL SCHOOL | 286 | regular | other |
| The U School: Innovative Lab | 195 | regular | high |
| The Valley School of Southern Oregon | 127 | regular | middle |
| The Vanguard School (Elementary) | 949 | regular | elementary |
| The Vanguard School (High) | 303 | regular | high |
| The Vanguard School (Middle) | 243 | regular | middle |
| THE VARNETT SCHOOL - EAST | 275 | regular | other |
| THE VARNETT SCHOOL - NORTHEAST | 354 | regular | other |
| The Village Charter School | 361 | regular | elementary |
| THE VILLAGES ELEMENTARY OF LADY LAKE SCHOOL | 740 | regular | other |
| The Wheatlands Elementary School | 613 | regular | elementary |
| THE WILDCAT WAY SCHOOL | 268 | regular | other |
| The Willow School | 2,225 | regular | other |
| THE WOODLANDS H S | 4,444 | regular | high |
| The Woodstock Academy | 1,011 | regular | high |
| The Workshop School | 214 | regular | high |
| Thea Bowman Leadership Academy | 773 | regular | other |
| THEATRE ARTS PRODUCTION COMPANY SCHOOL | 427 | regular | other |
| Theisen Middle | 431 | regular | middle |
| THEISS EL | 637 | regular | other |
| Thelma B. Johnson Early Learning Center | 358 | regular | other |
| Thelma Barker Elementary | 776 | regular | elementary |
| Thelma Bedell Elementary | 294 | regular | elementary |
| Thelma Crenshaw Elementary | 708 | regular | other |
| THELMA ELIZABETH PAGE RICHARDSON EL | 497 | regular | other |
