| Lincoln Orchard Mesa Elementary School | Grand Junction | 289 |
| Lincoln School of Science and Technology | Canon City | 254 |
| Linton Elementary School | Fort Collins | 307 |
| Little Elementary School | Arvada | 310 |
| Little Raven Elementary School | Littleton | 475 |
| Little Trappers Preschool | Fort Lupton | 157 |
| Littleton Academy | Littleton | 455 |
| Littleton High School | Littleton | 1,187 |
| Littleton Prep Charter School | Littleton | 498 |
| Lochbuie Elementary School | Lochbuie | 239 |
| Lois Lenski Elementary School | Centennial | 509 |
| Loma Elementary School | Loma | 207 |
| Lone Star Elementary School | Otis | 56 |
| Lone Star Middle School | Otis | 19 |
| Lone Star Undivided High School | Otis | 44 |
| Lone Tree Elementary | Lone Tree | 392 |
| Longfellow Elementary School | Salida | 449 |
| Longmont Estates Elementary School | Longmont | 365 |
| Longmont High School | Longmont | 1,268 |
| Longs Peak Middle School | Longmont | 381 |
| Longview High School | Lakewood | 20 |
| Lookout Mountain | Golden | |
| Lopez Elementary School | Fort Collins | 361 |
| Lotus School for Excellence | Aurora | 1,008 |
| Louisville Elementary School | Louisville | 449 |
| Louisville Middle School | Louisville | 626 |
| Loveland Classical School | Loveland | 1,032 |
| Loveland High School | Loveland | 1,354 |
| Lowry Elementary School | Denver | 400 |
| Lucile Erwin Middle School | Loveland | 686 |
| Lukas Elementary School | Westminster | 402 |
| Lumberg Elementary School | Edgewater | 526 |
| Lyons Elementary School | Lyons | 255 |
| Lyons Middle/Senior High School | Lyons | 344 |
| Madison Elementary School | Colorado Springs | 265 |
| Malley Drive Elementary School | Northglenn | 435 |
| Mammoth Heights Elementary | Parker | 598 |
| Manassa Elementary School | Manassa | 190 |
| Mancos Early Learning Center | Mancos | 36 |
| Mancos Elementary School | Mancos | 217 |
| Mancos High School | Mancos | 142 |
| Mancos Middle School | Mancos | 116 |
| Mandalay Middle School | Westminster | 443 |
| Manhattan Middle School of the Arts and Academics | Boulder | 482 |
| Manitou Springs Elementary School | Manitou Springs | 331 |
| Manitou Springs High School | Manitou Springs | 367 |
| Manitou Springs Middle School | Manitou Springs | 275 |
| Mann Middle School | Colorado Springs | 300 |
| Manning Options School | Lakewood | 685 |
| Manual High School | Denver | 348 |
| Manual Middle School | Denver | 257 |
| Manzanola Elementary School | Manzanola | 71 |
| Manzanola Junior-Senior High School | Manzanola | 103 |
| Maple Grove Elementary School | Golden | 390 |
| Mapleton Early Career Preparation | Thornton | 306 |
| Mapleton Early Childhood Center | Boulder | 68 |
| Mapleton Expeditionary School of the Arts | Thornton | 393 |
| Mapleton Online | Denver | 152 |
| Maplewood Elementary School | Greeley | 544 |
| Marble Charter School | Marble | 34 |
| Marie L. Greenwood Academy | Denver | 597 |
| Marrama Elementary School | Denver | 547 |
| Marsh Elementary School | Monte Vista | 166 |
| Marshdale Elementary School | Evergreen | 375 |
| Martin Luther King Jr Elementary School | Colorado Springs | 498 |
| Martinez Elementary School | Colorado Springs | 354 |
| Martinez Elementary School | Greeley | 469 |
| Marvin W Foote Youth Services Center | Centennial | 36 |
| Mary E Pennock Elementary School | Brighton | 592 |
| Maxwell Elementary School | Denver | 638 |
| Maybell School | Maybell | 11 |
| McAuliffe Elementary | Colorado Springs | 448 |
| McAuliffe International School | Denver | 1,329 |
| McClave Elementary School | Mc Clave | 126 |
| McClave Undivided High School | Mc Clave | 105 |
| McElwain Elementary School | Thornton | 361 |
| McGlone Academy | Denver | 842 |
| McGraw Elementary School | Fort Collins | 349 |
| McKinley Elementary School | Canon City | 262 |
| McKinley-Thatcher Elementary School | Denver | 305 |
| McLain Community High School | Lakewood | 349 |
| McMeen Elementary School | Denver | 706 |
| Mead Elementary School | Mead | 879 |
| Mead High School | Longmont | 1,174 |
| Mead Middle School | Mead | 571 |
| Meadow Community School | Thornton | 378 |
| Meadow Point Elementary School | Aurora | 401 |
| Meadow Ridge Elementary School | Lochbuie | 440 |
| Meadow View Elementary School | Castle Rock | 508 |
| Meadowlark School | Erie | 747 |
| Meadowood Child Development Center | Aurora | 166 |
| Meeker Elementary School | Greeley | 475 |
| Meeker Elementary School | Meeker | 285 |
| Meeker High School | Meeker | 224 |
| Meiklejohn Elementary | Arvada | 521 |
| Melvin Hendrickson Development Center | Lamar | 122 |
| Meridian Elementary School | Broomfield | 525 |
| Meridian Ranch Elementary School | Falcon | 670 |
| Merino Elementary School | Merino | 159 |
| Merino Junior Senior High School | Merino | 155 |
| Merit Academy | Woodland Park | 452 |
| Merrill Middle School | Denver | 611 |
| Mesa Elementary School | Boulder | 250 |
| Mesa Elementary School | Cortez | 359 |
| Mesa Elementary School | Fountain | 668 |
| Mesa Elementary School | Westminster | 317 |
| Mesa Middle School | Castle Rock | 852 |
| Mesa Ridge High School | Colorado Springs | 1,304 |
| Mesa Valley Community School | Grand Junction | 178 |
| Mesa View Elementary School | Grand Junction | 375 |
| Metropolitan Arts Academy | Denver | 302 |
| Miami Yoder Preparatory Academy | Rush | 41 |
| Miami-Yoder Middle/High School | Rush | 184 |
| Miami/Yoder Elementary School | Rush | 173 |
| Middle Park High School | Granby | 413 |
| Midland Elementary School | Colorado Springs | 129 |
| Mildred L Sanville Preschool | Commerce City | 33 |
| Miller Middle School | Durango | 360 |
| Miller Special Education | Lakewood | 97 |
| Milliken Elementary School | Milliken | 472 |
| Minnequa Elementary School | Pueblo | 277 |
| Mission Viejo Elementary School | Aurora | 552 |
| Mitchell Elementary School | Golden | 478 |
| Mitchell High School | Colorado Springs | 757 |
| Moffat County High School | Craig | 481 |
| Moffat Prek-12 School | Moffat | 99 |
| Monaco Elementary School | Commerce City | 434 |
| Monarch High School | Louisville | 1,431 |
| Monarch K-8 School | Louisville | 698 |
| Monarch Montessori | Denver | 282 |
| Monfort Elementary School | Greeley | 373 |
| Monroe Elementary School | Colorado Springs | 321 |
| Montbello Career and Technical High School | Denver | 158 |
| Montbello High School | Denver | 1,112 |
| Montbello Middle School | Denver | 315 |
| Montclair School of Academics and Enrichment | Denver | 353 |
| Monte Vista Middle School | Monte Vista | 190 |
| Monte Vista On-Line Academy | Monte Vista | 43 |
| Monte Vista Senior High School | Monte Vista | 272 |
| Monterey Community School | Denver | 440 |
| Monterey Elementary School | Colorado Springs | 272 |
| Montessori Peaks Charter Academy | Littleton | 444 |
| Montessori del Mundo Charter School | Aurora | 365 |
| Montezuma-Cortez High School | Cortez | 598 |
| Montezuma-Cortez Middle School | Cortez | 505 |
| Montrose High School | Montrose | 1,279 |
| Montview Math & Health Sciences Elementary School | Aurora | 380 |
| Monument Charter Academy | Monument | 612 |
| Monument Charter Academy Secondary School | Colorado Springs | 541 |
| Monument Ridge Elementary School | Fruita | 300 |
| Monument View Montessori Charter School | Fruita | 38 |
| Morey Middle School | Denver | 479 |
| Mortensen Elementary School | Littleton | 260 |
| Morton Elementary School | Pueblo | 374 |
| Mount Carbon Elementary School | Littleton | 367 |
| Mount Garfield Middle School | Clifton | 569 |
| Mount View Core Knowledge Charter School | Canon City | 250 |
| Mount View Youth Services Center | Denver | |
| Mountain Middle School | Durango | 302 |
| Mountain Phoenix Community School | Wheatridge | 533 |
| Mountain Range High School | Westminster | 1,788 |
| Mountain Ridge Middle School | Colorado Springs | 690 |
| Mountain Ridge Middle School | Highlands Ranch | 752 |
| Mountain Sage Community School | Fort Collins | 265 |
| Mountain Song Community School | Colorado Springs | 324 |
| Mountain Valley School | Saguache | 105 |
| Mountain View Academy | Colorado Springs | 387 |
| Mountain View Elementary School | Colorado Springs | 567 |
| Mountain View Elementary School | Parker | 324 |
| Mountain View Elementary School | Longmont | 321 |
| Mountain View Elementary School | Broomfield | 517 |
| Mountain View Elementary School | Windsor | 256 |
| Mountain View High School | Loveland | 1,074 |
| Mountain Vista Community School | Colorado Springs | 590 |
| Mountain Vista Elementary School | Centennial | 568 |
| Mountain Vista High School | Highlands Ranch | 2,169 |
| Mountainside Elementary School | Fort Carson | 346 |
| Mrachek Middle School | Aurora | 811 |
| Munroe Elementary School | Denver | 332 |
| Murphy Creek K-8 School | Aurora | 855 |
| Namaqua Elementary School | Loveland | 236 |
| Nederland Elementary School | Nederland | 196 |
| Nederland Middle-Senior High School | Nederland | 235 |
| Needham Elementary School | Durango | 367 |
| Nettie S Freed K-8 Expeditionary School | Pueblo | 425 |
| Nevin Platt Middle School | Boulder | 483 |
| New America School | Lakewood | 74 |
| New America School - Aurora | Denver | 82 |
| New America School - Thornton | Thornton | 190 |
| New Emerson School at Columbus | Grand Junction | 138 |
| New Legacy Charter School | Aurora | 96 |
| New Meridian High School | Longmont | 95 |
| New Summit Charter Academy | Colorado Springs | 628 |
| New Vision Charter School | Loveland | 1,005 |
| New Vista High School | Boulder | 327 |
| Newlon Elementary School | Denver | 293 |
| Newton Middle School | Centennial | 781 |
| Nikola Tesla Education Opportunity Center | Colorado Springs | 291 |
| Nisley Elementary School | Grand Junction | 346 |
| Niwot Elementary School | Niwot | 411 |
| Niwot High School | Niwot | 1,509 |
| Norma Anderson Early Learning Center | Wheat Ridge | 112 |
| Normandy Elementary School | Littleton | 262 |
| North Arvada Middle School | Arvada | 464 |
| North Conejos Alternative Program | Lajara | 30 |
| North Fork High School | Hotchkiss | 265 |
| North Fork Montessori @ Crawford | Crawford | 120 |
| North Fork School of Integrated Studies | Paonia | 112 |
| North High School | Denver | 1,653 |
| North High School Engagement Center | Denver | 103 |
| North Mesa Elementary School | Pueblo | 400 |
| North Middle School | Colorado Springs | 636 |
| North Middle School Health Sciences and Technology Campus | Aurora | 565 |
| North Mor Elementary School | Northglenn | 304 |
| North Park School | Walden | 144 |
| North Routt Community Charter School | Clark | 82 |
| North Star Academy | Parker | 684 |
| North Star Elementary School | Denver | 320 |
| North Valley Middle School | Gilcrest | 248 |
| North Valley School for Young Adults | Thornton | 102 |
| Northeast Early College | Denver | 507 |
| Northeast Elementary School | Brighton | 470 |
| Northeast Elementary School | Parker | 329 |
| Northfield High School | Denver | 2,137 |
| Northglenn High School | Northglenn | 1,844 |
| Northglenn Middle School | Northglenn | 672 |
| Northridge Elementary School | Highlands Ranch | 560 |
| Northridge Elementary School | Longmont | 318 |
| Northridge High School | Greeley | 1,322 |
| Northside Elementary School | Montrose | 327 |
| Norwood Public Schools | Norwood | 191 |
| Nucla Elementary School | Naturita | 161 |
| Nucla High School | Nucla | 60 |
| Nucla Middle School | Nucla | 39 |
| O'Dea Elementary School | Fort Collins | 398 |
| Oak Creek Elementary School | Colorado Springs | 235 |
| Oak Grove Elementary School | Montrose | 374 |
| Oakland Elementary | Denver | 352 |
| Oberon Middle School | Arvada | 704 |
| Odyssey Early College and Career Options | Colorado Springs | 287 |
| Odyssey Elementary School | Colorado Springs | 378 |
| Odyssey School of Denver | Denver | 318 |
| Olander Elementary School | Fort Collins | 310 |
| Olathe Elementary School | Olathe | 424 |
| Olathe Middle/High School | Olathe | 499 |
| Omar D Blair Charter School | Denver | 783 |
| Orchard Avenue Elementary School | Grand Junction | 319 |
| Orchard Hill Elementary | Windsor | 548 |
| Orchard Mesa Middle School | Grand Junction | 560 |
| Orchard Park Academy | Denver | 531 |
| Ortega Middle School | Alamosa | 471 |
| Orton Academy | Colorado Springs | 114 |
| Otero Elementary School | Colorado Springs | 330 |
| Otho E Stuart Middle School | Commerce City | 794 |
| Otis Elementary School | Otis | 90 |
| Otis Junior-Senior High School | Otis | 102 |
| Ouray Elementary School | Ouray | 79 |
| Ouray Middle School | Ouray | 55 |
| Ouray Senior High School | Ouray | 46 |
| Outback Preschool | Aurora | 81 |
| Outer Range | Montrose | 71 |
| Overland High School | Aurora | 2,228 |
| Overland Trail Middle School | Brighton | 581 |
| PSD Global Academy | Fort Collins | 259 |
| PSD Mountain Schools | Red Feather Lakes | 88 |
| Pagosa Peak Open School | Pagosa Springs | 111 |
| Pagosa Springs Elementary School | Pagosa Springs | 511 |
| Pagosa Springs High School | Pagosa Springs | 435 |
| Pagosa Springs Middle School | Pagosa Springs | 484 |
| Palisade High School | Palisade | 1,073 |
| Palmer Elementary School | Denver | 197 |
| Palmer High School | Colorado Springs | 1,265 |
| Palmer Lake Elementary School | Palmer Lake | 286 |
| Palmer Ridge High School | Monument | 1,066 |
| Panorama Middle School | Colorado Springs | 339 |
| Paonia K-8 | Paonia | 247 |
| Paragon Learning Center | Pueblo | 476 |
| Paragon Preschool | Pueblo | 0 |
| Park Elementary School | Durango | 452 |
| Park Hill School | Denver | 717 |
| Park Lane Elementary School | Aurora | 486 |
| Park View Elementary School | Pueblo | 285 |
| Parker Core Knowledge | Parker | 705 |
| Parker Performing Arts | Englewood | 638 |
| Parkview Elementary School | Lamar | 252 |
| Parkview Elementary School | Rangely | 236 |
| Parmalee Elementary School | Indian Hills | 278 |
| Pascual Ledoux Academy | Denver | 236 |
| Pathways Future Center | Thornton | 386 |
| Patriot Elementary School | Fort Carson | 523 |
| Patriot High School | Falcon | 115 |
| Patterson International School | Lakewood | 346 |
| Pawnee School PK-12 | Grover | 61 |
| Peak Expeditionary - Pennington | Wheat Ridge | 316 |
| Peak Virtual Academy | Montrose | 262 |
| Peak to Peak Charter School | Lafayette | 1,447 |
| Peakview Academy at Conrad Ball | Loveland | 536 |
| Peakview Elementary School | Centennial | 447 |
| Peakview School | Walsenburg | 181 |
| Pear Park Elementary School | Grand Junction | 428 |
| Peetz Elementary School | Peetz | 114 |
| Peetz Junior-Senior High School | Peetz | 90 |
| Penrose Elementary School | Colorado Springs | 279 |
| Penrose Elementary School | Penrose | 281 |
| Performing Arts School on Broadway | Denver | 169 |
| Pete Mirich Elementary School | Lasalle | 358 |
| Peyton Elementary School | Peyton | 293 |
| Peyton Junior High School | Peyton | 78 |
| Peyton Online Academy | Peyton | 28 |
| Peyton Senior High School | Peyton | 197 |
| Pikes Peak Early College | Colorado Springs | 204 |
| Pikes Peak Online School | Westminster | 438 |
| Pikes Peak School Expeditionary Learning | Falcon | 400 |
| Pine Creek High School | Colorado Springs | 1,875 |
| Pine Grove Elementary School | Parker | 480 |
| Pine Lane Elementary | Parker | 744 |
| Pine Ridge Elementary School | Aurora | 617 |
| Pinello Elementary School | Colorado Springs | 301 |
| Pinon Valley Elementary School | Colorado Springs | 315 |
| Pioneer Bilingual Elementary School | Lafayette | 439 |
| Pioneer Elementary School | Colorado Springs | 382 |
| Pioneer Elementary School | Parker | 449 |
| Pioneer Elementary School | Fort Morgan | 243 |
| Pioneer Ridge Elementary School | Johnstown | 528 |
| Pioneer Technology and Arts Academy | Colorado Springs | 538 |
| Place Bridge Academy | Denver | 824 |
| Plainview Elementary School | Sheridan Lake | 21 |
| Plainview Junior-Senior High School | Sheridan Lake | 11 |
| Plateau Valley Elementary School | Collbran | 142 |
| Plateau Valley High School | Collbran | 65 |
| Plateau Valley Junior High School | Collbran | 41 |
| Platte Canyon High School | Bailey | 183 |
| Platte River Charter Academy | Highlands Ranch | 475 |
| Platte Valley Early Learning Center | Kersey | 81 |
| Platte Valley Elementary School | Kersey | 528 |
| Platte Valley High School | Kersey | 331 |
| Platte Valley Middle School | Kersey | 255 |
| Platte Valley Youth Services Center | Greeley | |
| Platte Valley Youth Services Center | Greeley | 14 |
| Platteville Elementary School | Platteville | 317 |
| Pleasant View Charter School | Pleasant View | 35 |
| Pleasant View Middle School | Pueblo | 348 |
| Polaris Elementary School | Denver | 350 |
| Polaris Expeditionary Learning School | Fort Collins | 406 |
| Polton Community Elementary School | Aurora | 466 |
| Pomona Elementary School | Grand Junction | 395 |
| Pomona Elementary School | Montrose | 335 |
| Pomona Junior/Senior High School | Arvada | 1,252 |
| Ponderosa Elementary | Loveland | 335 |
| Ponderosa Elementary School | Aurora | 634 |
| Ponderosa High School | Parker | 1,406 |
| Poudre Community Academy | Fort Collins | 212 |
| Poudre High School | Fort Collins | 1,409 |
| Powderhorn Elementary School | Littleton | 522 |
| Power Technical | Colorado Springs | 405 |
| Prairie Creek High School | Strasburg | 22 |
| Prairie Crossing Elementary School | Parker | 612 |
| Prairie Elementary School | New Raymer | 72 |
| Prairie Heights Elementary School | Fountain | 130 |
| Prairie Heights Middle School | Evans | 537 |
| Prairie Hills Elementary School | Colorado Springs | 348 |
| Prairie Hills Elementary School | Thornton | 378 |
| Prairie Junior-Senior High School | New Raymer | 91 |
| Prairie Middle School | Aurora | 1,491 |
| Prairie Ridge Elementary School | Firestone | 387 |
| Prairie View High School | Henderson | 1,809 |
| Prairie View Middle School | Henderson | 679 |
| Prairie Vista Youth Services Center | Brighton | 32 |
| Prairie Winds Elementary School | Monument | 374 |
| Prairie Winds Elementary School | Pueblo West | 477 |
| Prep Academy | Denver | 44 |
| Preschool on Poze | Thornton | 193 |
| Preston Middle School | Fort Collins | 568 |
| Primero Elementary School | Weston | 111 |
| Primero Junior-Senior High School | Weston | 102 |
| Pritchett Elementary School | Pritchett | 42 |
| Pritchett High School | Pritchett | 12 |
| Pritchett Middle School | Pritchett | 10 |
| Prospect Academy | Arvada | 94 |
| Prospect Ridge Academy | Broomfield | 1,478 |
| Prospect Valley Elementary School | Wheat Ridge | 583 |
| Pueblo Academy of Arts | Pueblo | 562 |
| Pueblo Charter School for the Arts & Sciences | Pueblo | 444 |
| Pueblo Classical Academy | Pueblo West | 173 |
| Pueblo County High School | Pueblo | 1,148 |
| Pueblo School for Arts & Sciences at Fulton Heights | Pueblo | 221 |
| Pueblo West High School | Pueblo West | 1,540 |
| Pueblo Youth Service Center | Pueblo | 15 |
| Putnam Elementary School | Fort Collins | 258 |
| Queen Palmer Elementary School | Colorado Springs | 198 |
| R-5 High School | Grand Junction | 207 |
| Ralston Elementary School | Golden | 289 |
| Ralston Valley Senior High School | Arvada | 1,875 |
| Rampart High School | Colorado Springs | 1,305 |
| Ranch Creek Elementary | Colorado Springs | 578 |
| Ranch View Middle School | Highlands Ranch | 829 |
| Range View Elementary | Severance | 584 |
| Rangely Junior/Senior High School | Rangely | 249 |
| Rangeview High School | Aurora | 2,078 |
| Ray E Kilmer Elementary School | Colorado Springs | 300 |
| Red Canyon High School | Edwards | 157 |
| Red Hawk Elementary | Erie | 588 |
| Red Hawk Ridge Elementary School | Centennial | 518 |
| Red Hill Elementary School | Gypsum | 336 |
| Red Rocks Elementary School | Morrison | 292 |
| Red Sandstone Elementary School | Vail | 245 |
| Redlands Middle School | Grand Junction | 632 |
| Redstone Elementary School | Highlands Ranch | 398 |
| Remington Elementary School | Colorado Springs | 534 |
| Renaissance Expedition Learn Outward Bound School | Castle Rock | 361 |
| Renaissance Secondary School | Castle Rock | 441 |
| Respect Academy | Denver | 99 |
| Responsive Arts & STEAM Academy FNE | Denver | 161 |
| Reunion Elementary School | Commerce City | 742 |
| Revere Elementary | ovid | 72 |
| Revere Junior-Senior High School | Ovid | 58 |
| Revere Lil' Raiders | Ovid | 14 |
| Ricardo Flores Magon Academy | Denver | 292 |
| Rice Elementary School | Wellington | 401 |
| Ridgeview Classical Schools | Fort Collins | 721 |
| Ridgeview Elementary School | Colorado Springs | 626 |
| Ridgeview Elementary School | Craig | 233 |
| Ridgway Elementary School | Ridgway | 149 |
| Ridgway High School | Ridgway | 97 |
| Ridgway Middle School | Ridgway | 74 |
| Riffenburgh Elementary School | Fort Collins | 443 |
| Rifle High School | Rifle | 778 |
| Rifle Middle School | Rifle | 552 |
| Rim Rock Elementary School | Fruita | 292 |
| RiseUp Community School | Denver | 100 |
| Risley International Academy of Innovation | Pueblo | 335 |
| Riverdale Elementary School | Thornton | 372 |
| Riverdale Ridge High School | Thornton | 1,784 |
| Riverside School | New Castle | 483 |
| Riverview Elementary School | Durango | 374 |
| Riverview PK-8 | Johnstown | 757 |
| Riverview School | Glenwood Springs | 383 |
| Roaring Fork High School | Carbondale | 472 |
| Robert F. Smith STEAM Academy | Denver | 89 |
| Rock Canyon High School | Highlands Ranch | 2,325 |
| Rock Ridge Elementary School | Castle Rock | 449 |
| Rockrimmon Elementary School | Colorado Springs | 390 |
| Rocky Ford Elementary School | Rocky Ford | 305 |
| Rocky Ford Junior/Senior High School | Rocky Ford | 271 |
| Rocky Heights Middle School | Littleton | 1,129 |
| Rocky Mountain Academy of Evergreen | Evergreen | 350 |
| Rocky Mountain Classical Academy | Colorado Springs | 1,162 |
| Rocky Mountain Deaf School | Denver | 82 |
| Rocky Mountain Elementary School | Clifton | 395 |
| Rocky Mountain Elementary School | Longmont | 315 |
| Rocky Mountain Elementary School | Westminster | 318 |
| Rocky Mountain High School | Fort Collins | 2,044 |
| Rocky Mountain Prep Berkeley | Denver | 329 |
| Rocky Mountain Prep Creekside | Denver | 637 |
| Rocky Mountain Prep Federal | Denver | 376 |
| Rocky Mountain Prep Green Valley Ranch | Denver | 379 |
| Rocky Mountain Prep Noel | Denver | 287 |
| Rocky Mountain Prep RISE | Denver | 586 |
| Rocky Mountain Prep Ruby Hill | Denver | 443 |
| Rocky Mountain Prep SMART | Denver | 604 |
| Rocky Mountain Prep Southwest | Denver | 453 |
| Rocky Mountain Prep Sunnyside | Denver | 154 |
| Rocky Mountain Prep Westwood | Denver | 411 |
| Rocky Mountain Prep: Fletcher | Aurora | 701 |
| Rocky Mountain School of Expeditionary Learning | Denver | 382 |
| Rocky Mountain Youth Services Center | Denver | 13 |
| Rocky Top Middle School | Thornton | 1,052 |
| Rodger Quist Middle School | Thornton | 855 |
| Rogers Elementary School | Colorado Springs | 267 |
| Rolling Hills Elementary School | Aurora | 499 |
| Rooney Ranch Elementary School | Lakewood | 492 |
| Roosevelt Charter Academy | Colorado Springs | 480 |
| Roosevelt High School | Johnstown | 1,184 |
| Roosevelt Middle School | Johnstown | 695 |
| Rose Hill Elementary School | Commerce City | 315 |
| Rose Stein International Elementary | Lakewood | 336 |
| Ross Montessori School | Carbondale | 183 |
| Roxborough Elementary School | Littleton | 368 |
| Roxborough Intermediate | Littleton | 430 |
| Rudy Elementary School | Colorado Springs | 385 |
| Running Creek Elementary School | Elizabeth | 292 |
| Runyon Elementary School | Littleton | 423 |
| Russell Middle School | Colorado Springs | 520 |
| Ryan Elementary School | Lafayette | 436 |
| Ryan Elementary School | Westminster | 511 |
| Rye Elementary School | Rye | 319 |
| Rye High School | Rye | 250 |
| S. Christa McAuliffe STEM Academy | Greeley | 932 |
| Sargent Middle School | Monte Vista | 70 |
| SOAR Academy | Englewood | 78 |
| SOAR at Green Valley Ranch | Denver | 484 |
| STEM Lab | Northglenn | 740 |
| STEM Launch | Thornton | 677 |
| STEM School Highlands Ranch | Highlands Ranch | 1,394 |
| Sabin Middle School | Colorado Springs | 540 |
| Sabin World School | Denver | 559 |
| Sable Child Development Center | Aurora | 130 |
| Saddle Ranch Elementary School | Highlands Ranch | 355 |
| Sage Canyon Elementary | Castle Rock | 552 |
| Sagebrush Elementary School | Aurora | 354 |