| Sagewood Middle School | Parker | 816 |
| Salida Early Childhood Center | Salida | 74 |
| Salida High School | Salida | 409 |
| Salida Middle School | Salida | 327 |
| Salida Montessori Charter School | Salida | 186 |
| Salida del Sol Academy | Greeley | 654 |
| Samuels Elementary School | Denver | 532 |
| San Juan Mountain School | Pagosa Springs | 47 |
| Sanborn Elementary School | Longmont | 209 |
| Sand Creek Elementary School | Highlands Ranch | 322 |
| Sand Creek High School | Colorado Springs | 1,426 |
| Sand Creek International School | Colorado Springs | 595 |
| Sandburg Elementary School | Centennial | 495 |
| Sandra Todd-Williams Academy | Denver | 143 |
| Sandrock Elementary | Craig | 299 |
| Sanford Elementary School | Sanford | 218 |
| Sanford Junior/Senior High School | Sanford | 166 |
| Sangre de Cristo Elementary School | Mosca | 110 |
| Sangre de Cristo Undivided High School | Mosca | 146 |
| Sarah Milner Elementary School | Loveland | 264 |
| Sargent Elementary School | Monte Vista | 142 |
| Sargent Senior High School | Monte Vista | 81 |
| Scenic Elementary School | Grand Junction | 243 |
| Schmitt Elementary School | Denver | 157 |
| Scott Elementary School | Colorado Springs | 458 |
| Scott Elementary School | Greeley | 566 |
| Second Creek Elementary School | Commerce City | 697 |
| Secrest Elementary School | Arvada | 334 |
| Sedalia Elementary School | Sedalia | 212 |
| Semper Elementary School | Westminster | 314 |
| Severance High School | Severance | 943 |
| Severance Middle School | Windsor | 670 |
| Shadow Ridge Middle School | Thornton | 632 |
| Shaffer Elementary School | Littleton | 497 |
| Shaw Heights Middle School | Westminster | 321 |
| Shawsheen Elementary School | Greeley | 405 |
| Shelledy Elementary School | Fruita | 371 |
| Shelton Elementary School | Golden | 394 |
| Shepardson Elementary School | Fort Collins | 414 |
| Sheridan High School | Englewood | 321 |
| Sherman Early Childhood Center | Fort Morgan | 409 |
| Sherrelwood Elementary School | Denver | 204 |
| Side Creek Elementary School | Aurora | 512 |
| Sierra Elementary School | Arvada | 493 |
| Sierra Grande K-12 School | Blanca | 307 |
| Sierra High School | Colorado Springs | 843 |
| Sierra Middle School | Parker | 805 |
| Sierra Vista Elementary School | Pueblo West | 443 |
| Silver Creek Elementary | Thornton | 538 |
| Silver Creek High School | Longmont | 1,208 |
| Silver Hills Middle School | Northglenn | 965 |
| Silverthorne Elementary School | Silverthorne | 339 |
| Silverton Elementary School | Silverton | 29 |
| Silverton High School | Silverton | 22 |
| Silverton Middle School | Silverton | 21 |
| Simla Elementary School | Simla | 165 |
| Simla High School | Simla | 101 |
| Simla Junior High School | Simla | 63 |
| Singing Hills Elementary School | Parker | 383 |
| Singing Hills Preschool | Parker | 72 |
| Skinner Middle School | Denver | 673 |
| Skoglund Middle School | Center | 124 |
| Sky Ranch Academy | Aurora | 495 |
| Sky View Middle School | Pueblo West | 565 |
| Sky Vista Middle School | Aurora | 969 |
| Skyline High School | Longmont | 1,082 |
| Skyview Academy | Highlands Ranch | 1,358 |
| Skyview Elementary School | Thornton | 326 |
| Skyview Elementary School | Windsor | 440 |
| Skyview Middle School | Colorado Springs | 862 |
| Skyway Park Elementary School | Colorado Springs | 301 |
| Slater Elementary School | Lakewood | 280 |
| Slavens K-8 School | Denver | 762 |
| Sleeping Giant School | Steamboat Springs | 337 |
| Smith Elementary School | Denver | 457 |
| Smoky Hill High School | Aurora | 2,297 |
| Snowy Peaks Junior/Senior High School | Frisco | 79 |
| Soaring Eagles Community School | Colorado Springs | 764 |
| Soaring Hawk Elementary School | Castle Rock | 431 |
| Soaring Heights PK-8 | Erie | 1,211 |
| Sobesky Academy | Lakewood | 101 |
| Soda Creek Elementary School | Steamboat Springs | 379 |
| Sopris Elementary School | Glenwood Springs | 392 |
| Soroco High School | Oak Creek | 103 |
| Soroco Middle School | Oak Creek | 67 |
| Soroco Preschool at Yampa | Yampa | 26 |
| South Elementary School | Brighton | 337 |
| South High School | Denver | 1,950 |
| South High School | Pueblo | 795 |
| South Lakewood Elementary School | Lakewood | 393 |
| South Mesa Elementary School | Pueblo | 323 |
| South Park Elementary School | Pueblo | 273 |
| South Park High School | Fairplay | 121 |
| South Park Middle School | Fairplay | 87 |
| South Ridge Elementary An IB World School | Castle Rock | 371 |
| South Routt Elementary School | Yampa | 130 |
| South Valley Middle School | Platteville | 143 |
| Southeast Elementary School | Brighton | 527 |
| Southern Hills Middle School | Boulder | 502 |
| Southlawn Elementary School | Commerce City | 673 |
| Southmoor Elementary School | Denver | 431 |
| Southwest Colorado eSchool | Durango | 48 |
| Southwest Open Charter School | Cortez | 131 |
| Spark Online Academy | Colorado Springs | 140 |
| Spark! Discovery Preschool | Frederick | 274 |
| Spring Creek Youth Services Center | Colorado Springs | |
| Springfield Elementary School | Springfield | 156 |
| Springfield Junior/Senior High School | Springfield | 128 |
| Springs Ranch Elementary School | Colorado Springs | 548 |
| Springs Studio for Academic Excellence | Colorado Springs | 442 |
| Sproul Junior High School | Colorado Springs | 504 |
| St. Vrain Community Montessori School | Longmont | 260 |
| St. Vrain LaunchED Virtual Academy | Longmont | 342 |
| St. Vrain Virtual High School | Longmont | 69 |
| Standley Lake High School | Westminster | 1,123 |
| Stargate Charter School | Thornton | 1,572 |
| Stars Early Learning Center | Commerce City | 144 |
| Steamboat Montessori | Steamboat Springs | 140 |
| Steamboat Springs High School | Steamboat Springs | 871 |
| Steamboat Springs Middle School | Steamboat Springs | 440 |
| Steck Elementary School | Denver | 323 |
| Stedman Elementary School | Denver | 447 |
| Steele Elementary School | Colorado Springs | 273 |
| Steele Elementary School | Denver | 452 |
| Stellar Elementary School | Thornton | 418 |
| Stephen Knight Center for Early Education | Denver | 276 |
| Sterling High School | Sterling | 421 |
| Sterling Middle School | Sterling | 397 |
| Stetson Elementary School | Colorado Springs | 531 |
| Stevens Elementary School | Wheat Ridge | 469 |
| Stober Elementary School | Lakewood | 348 |
| Stone Creek School | Edwards | 297 |
| Stone Mountain Elementary | Highlands Ranch | 452 |
| Stony Creek Elementary School | Littleton | 349 |
| Stott Elementary School | Arvada | 288 |
| Strasburg Elementary School | Strasburg | 544 |
| Strasburg High School | Strasburg | 364 |
| Stratton Elementary School | Colorado Springs | 249 |
| Stratton Elementary School | Stratton | 101 |
| Stratton Meadows Elementary School | Colorado Springs | 290 |
| Stratton Middle School | Stratton | 54 |
| Stratton Senior High School | Stratton | 64 |
| Strawberry Park Elementary School | Steamboat Springs | 368 |
| Stukey Elementary School | Northglenn | 348 |
| Summit Academy | Denver | 236 |
| Summit Academy | Broomfield | 66 |
| Summit Cove Elementary School | Dillon | 222 |
| Summit Elementary School | Aurora | 337 |
| Summit Elementary School | Divide | 286 |
| Summit High School | Breckenridge | 1,060 |
| Summit Middle Charter School | Boulder | 366 |
| Summit Middle School | Frisco | 737 |
| Summit Ridge Middle School | Littleton | 851 |
| Summit View Elementary School | Highlands Ranch | 350 |
| Sunnyside Elementary School | Durango | 107 |
| Sunrise Elementary School | Aurora | 497 |
| Sunrise Elementary School | Colorado Springs | 506 |
| Sunset Elementary School | Craig | 261 |
| Sunset Middle School | Longmont | 316 |
| Sunset Park Elementary School | Pueblo | 425 |
| Sunset Ridge PK-8 | Westminster | 449 |
| Superior Elementary School | Superior | 418 |
| Swallows Charter Academy | Pueblo West | 677 |
| Swallows Charter Academy High School | Pueblo West | 178 |
| Swansea Elementary School | Denver | 381 |
| Swanson Elementary School | Arvada | 283 |
| Swigert International School | Denver | 673 |
| Swink Elementary School | Swink | 131 |
| Swink Junior-Senior High School | Swink | 159 |
| TCA College Pathways | Colorado Springs | 502 |
| Talbott STEAM Innovation School | Colorado Springs | 324 |
| Tarver Elementary School | Thornton | 475 |
| Tavelli Elementary School | Fort Collins | 519 |
| Taylor Elementary School | Colorado Springs | 152 |
| Taylor Elementary School | Palisade | 310 |
| Teddy Bear Preschool | Dolores | 71 |
| Teller Elementary School | Denver | 518 |
| Telluride Elementary School | Telluride | 140 |
| Telluride High School | Telluride | 298 |
| Telluride Intermediate School | Telluride | 237 |
| Telluride Middle School | Telluride | 124 |
| Tennyson Knolls Preparatory School | Arvada | 364 |
| The Academic Recovery Center of San Luis Valley | Center | 16 |
| The Bijou School | Colorado Springs | 134 |
| The Classical Academy Charter | Colorado Springs | 1,909 |
| The Classical Academy High School | Colorado Springs | 616 |
| The Classical Academy Middle School | Colorado Springs | 445 |
| The Connect Charter School | Pueblo | 252 |
| The Cottage at Holly Ridge | Denver | 74 |
| The Da Vinci Academy School | Colorado Springs | 447 |
| The Grove BVSD's Early Learning Program | Buena Vista | 60 |
| The Haven School | Colorado Springs | 240 |
| The Journey Preschool | Aurora | 75 |
| The Juniper School | Durango | 171 |
| The Pinnacle Charter School | Federal Heights | 1,905 |
| The STEAD School | Commerce City | 421 |
| The Studio School | Northglenn | 215 |
| The Vanguard School (Elementary) | Colorado Springs | 949 |
| The Vanguard School (High) | Colorado Springs | 303 |
| The Vanguard School (Middle) | Colorado Springs | 243 |
| The Village ECE | Centennial | 336 |
| The Yampah Mountain High School Nursery | Glenwood Springs | 0 |
| Thomas Jefferson High School | Denver | 1,390 |
| Thomas MacLaren State Charter School | Colorado Springs | 975 |
| Thompson Integrated Early Childhood | Loveland | 85 |
| Thompson Valley High School | Loveland | 1,005 |
| Thomson Primary School | Brush | 452 |
| Thornton Elementary School | Thornton | 387 |
| Thornton High School | Thornton | 1,439 |
| Thornton Middle School | Thornton | 721 |
| Three Creeks K-8 | Arvada | 1,050 |
| Thunder Mountain Elementary School | Grand Junction | 432 |
| Thunder Ridge Middle School | Aurora | 1,106 |
| Thunder Valley PK-8 | Frederick | 880 |
| Thunder Vista P-8 | Broomfield | 725 |
| Thunderridge High School | Highlands Ranch | 1,820 |
| Tiger Trades Academy | La Junta | 90 |
| Timber Trail Elementary School | Castle Rock | 380 |
| Timberline Elementary School | Centennial | 478 |
| Timberline PK-8 | Longmont | 762 |
| Timberview Middle School | Colorado Springs | 837 |
| Timnath Elementary School | Timnath | 455 |
| Timnath Middle-High School | Timnath | 1,456 |
| Tointon Academy of Pre-Engineering | Greeley | 1,127 |
| Tollgate Elementary School of Expeditionary Learning | Aurora | 601 |
| Tope Elementary School | Grand Junction | 370 |
| Tozer Elementary School | Windsor | 308 |
| Trail Ridge Middle School | Longmont | 435 |
| Trailblazer Elementary School | Colorado Springs | 211 |
| Trailblazer Elementary School | Highlands Ranch | 330 |
| Trails West Elementary School | Centennial | 425 |
| Trailside Academy | Denver | 492 |
| Traut Core Elementary School | Fort Collins | 484 |
| Traylor Academy | Denver | 300 |
| Trevista at Horace Mann | Denver | 482 |
| Trinidad High School | Trinidad | 204 |
| Trinidad Middle School | Trinidad | 172 |
| Truscott Elementary School | Loveland | 194 |
| Turman Elementary School | Colorado Springs | 185 |
| Turnberry Elementary | Commerce City | 742 |
| Turner Middle School | Berthoud | 448 |
| Twain Elementary School | Colorado Springs | 291 |
| Twin Peaks Classical Academy | Longmont | 879 |
| Two Rivers Community School | Glenwood Springs | 390 |
| Two Roads Charter School | Arvada | 345 |
| Twombly Elementary School | Fort Lupton | 473 |
| Union Colony Elementary School | Evans | 342 |
| Union Colony Preparatory School | Greeley | 333 |
| University Hill Elementary School | Boulder | 405 |
| University Park Elementary School | Denver | 413 |
| University Prep - Arapahoe St. | Denver | 313 |
| University Prep - Commerce City | Commerce City | 24 |
| University Prep - Steele St. | Denver | 334 |
| University Schools | Greeley | 1,784 |
| Upper Blue Elementary School | Breckenridge | 221 |
| Ute Meadows Elementary School | Littleton | 374 |
| Ute Pass Elementary School | Chipita Park | 174 |
| Vail Ski and Snowboard Academy (VSSA) | Minturn | 278 |
| Valdez Elementary School | Denver | 423 |
| Valley High School | Gilcrest | 483 |
| Valley View Innovation School | Denver | 183 |
| Valverde Elementary School | Denver | 359 |
| Van Arsdale Elementary School | Arvada | 492 |
| Vanderhoof Elementary School | Arvada | 403 |
| Vanguard Classical School - East | Aurora | 690 |
| Vanguard Classical School - West | Denver | 380 |
| Vantage Point | Northglenn | 331 |
| Vassar Elementary School | Aurora | 500 |
| Vaughn Elementary School | Aurora | 446 |
| Vega Collegiate Academy | Aurora | 583 |
| Venetucci Elementary School | Colorado Springs | 272 |
| Venture Academy of Leadership and Entrepreneurship | Parker | 88 |
| Victory Preparatory Academy High State Charter School | Commerce City | 118 |
| Victory Preparatory Academy Middle State Charter School | Commerce City | 166 |
| Vikan Middle School | Brighton | 528 |
| Vilas Elementary School | Vilas | 15 |
| Vilas Undivided High School | Vilas | 38 |
| Villa Bella Expeditionary Middle School | Pueblo | 141 |
| Villa Bella Expeditionary School | Pueblo | 298 |
| Village East Community Elementary School | Aurora | 821 |
| Village High School | Colorado Springs | 532 |
| Village Middle School | Colorado Springs | 163 |
| Vineland Elementary School | Pueblo | 312 |
| Vineland Middle School | Pueblo | 362 |
| Virginia Court Elementary School | Aurora | 657 |
| Vision Charter Academy | Delta | 311 |
| Vista Academy | Denver | 291 |
| Vista Charter School | Montrose | 188 |
| Vista Peak 9-12 Preparatory | Aurora | 2,045 |
| Vista Peak P-8 Exploratory | Aurora | 960 |
| Vista Ridge High School | Colorado Springs | 1,473 |
| W H Heaton Middle School | Pueblo | 578 |
| Walnut Hills Community Elementary School | Centennial | 342 |
| Walsenburg Jr. Sr. High School | Walsenburg | 179 |
| Walsh Elementary School | Walsh | 105 |
| Walsh High School | Walsh | 72 |
| Walt Clark Middle School | Loveland | 340 |
| Wamsley Elementary School | Rifle | 420 |
| Warder Elementary School | Arvada | 432 |
| Warren Tech | Lakewood | 32 |
| Washington Elementary School | Canon City | 319 |
| Washington Elementary School | Lamar | 222 |
| Watson Junior High School | Colorado Springs | 470 |
| Wayne Carle Middle School | Westminster | 438 |
| Webber Middle School | Fort Collins | 728 |
| Weber Elementary School | Arvada | 312 |
| Webster Elementary School | Colorado Springs | 582 |
| Weikel Elementary School | Colorado Springs | 814 |
| Welby Community School of the Arts | Denver | 308 |
| Welchester Elementary School | Golden | 293 |
| Weld Central Middle School | Keenesburg | 403 |
| Weld Central Senior High School | Keenesburg | 651 |
| Weld Re-3J Online Innovations | Hudson | 110 |
| Weld Re-8 Online Academy | Fort Lupton | 48 |
| Weldon Valley Elementary School | Weldona | 119 |
| Weldon Valley Jr/Sr High School | Weldona | 96 |
| Wellington Middle-High School | Wellington | 1,173 |
| Welte Education Center | Fountain | 84 |
| Werner Elementary School | Fort Collins | 374 |
| West Elementary School | Colorado Springs | 144 |
| West Grand Elementary and Middle School | Kremmling | 262 |
| West Grand High School | Kremmling | 123 |
| West High School | Denver | 519 |
| West Jefferson Elementary School | Conifer | 252 |
| West Jefferson Middle School | Conifer | 499 |
| West Middle School | Greenwood Village | 1,019 |
| West Middle School | Colorado Springs | 119 |
| West Middle School | Denver | 188 |
| West Middle School | Grand Junction | 468 |
| West Ridge Academy | Greeley | 329 |
| West Ridge Elementary | Thornton | 690 |
| West Woods Elementary School | Arvada | 542 |
| Westerly Creek Elementary | Denver | 647 |
| Westgate Community School | Thornton | 540 |
| Westgate Elementary School | Lakewood | 305 |
| Westlake Middle School | Broomfield | 853 |
| Westminster Academy for International Studies | Westminster | 258 |
| Westminster High School | Westminster | 2,010 |
| Westridge Elementary School | Littleton | 400 |
| Westview Elementary School | Northglenn | 402 |
| Westview Middle School | Longmont | 621 |
| Wheat Ridge High School | Wheat Ridge | 932 |
| Whittier ECE-8 School | Denver | 242 |
| Whittier Elementary School | Boulder | 269 |
| Widefield District 3 Preschool | Colorado Springs | 379 |
| Widefield Elementary School of the Arts | Colorado Springs | 369 |
| Widefield High School | Colorado Springs | 1,193 |
| Wiggins Elementary School | Wiggins | 221 |
| Wiggins High School | Wiggins | 236 |
| Wiggins Middle School | Wiggins | 134 |
| Wiggins Primary School | Wiggins | 322 |
| Wildcat Mountain Elementary School | Littleton | 423 |
| Wilder Elementary School | Littleton | 592 |
| Wildflower Elementary School | Colorado Springs | 346 |
| Wildflower Montessori Public School of Colorado Grand Valley | Grand Junction | 40 |
| Wildflower Montessori Public Schools of Colorado Aurora | Aurora | 49 |
| Wiley Elementary School | Wiley | 155 |
| Wiley Junior-Senior High School | Wiley | 115 |
| William (Bill) Roberts ECE-8 School | Denver | 872 |
| William Smith High School | Aurora | 410 |
| Williamsburg Academy of Colorado | Boulder | 622 |
| Willow Creek Elementary School | Centennial | 462 |
| Willow Elementary School | Denver | 596 |
| Wilmot Elementary School | Evergreen | 327 |
| Wilson Elementary School | Colorado Springs | 295 |
| Windsor Charter Academy Early College High School | Windsor | 435 |
| Windsor Charter Academy Elementary School | Windsor | 780 |
| Windsor Charter Academy Middle School | Windsor | 395 |
| Windsor High School | Windsor | 1,094 |
| Windsor Middle School | Windsor | 785 |
| Wingate Elementary School | Grand Junction | 363 |
| Winograd K-8 Elementary School | Greeley | 691 |
| Winona Elementary School | Loveland | 246 |
| Wm E Bishop Elementary School | Englewood | 200 |
| Woodglen Elementary School | Thornton | 383 |
| Woodland Elementary School | Aurora | 577 |
| Woodland Park High School | Woodland Park | 490 |
| Woodland Park Middle School | Woodland Park | 195 |
| Woodlin Elementary School | Woodrow | 32 |
| Woodlin Undivided High School | Woodrow | 42 |
| Woodmen Hills Elementary School | Falcon | 613 |
| Woodmen-Roberts Elementary School | Colorado Springs | 381 |
| Woodrow Wilson Charter Academy | Westminster | 518 |
| World Academy Elementary School | Gypsum | 5 |
| World Academy High School | Eagle | 53 |
| World Academy Middle School | Gypsum | 12 |
| World Compass Academy | Castle Rock | 791 |
| Wray Elementary School | Wray | 409 |
| Wray Junior Senior High School | Wray | 322 |
| Wyatt Academy | Denver | 240 |
| Yuma Preschool | Yuma | 41 |
| Yale Elementary School | Aurora | 492 |
| Yampa Valley High School | Steamboat Springs | 32 |
| Yampah Mountain School | Glenwood Springs | 181 |
| York International | Thornton | 776 |
| Yuma High School | Yuma | 228 |
| Yuma Middle School | Yuma | 223 |
| Zach Elementary School | Fort Collins | 492 |
| Zebulon Pike Youth Services Center | Colorado Springs | 24 |
| eDCSD | Englewood | 61 |