| 251 | Denver Center for International Studies at Fairmont | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 344 | 13.5:1 |
| 252 | Hillcrest Elementary School | NORTHGLENN | Adams 12 Five Star Schools | Elementary | 338 | 13.5:1 |
| 253 | Sand Creek Elementary School | HIGHLANDS RANCH | Douglas County School District No. Re 1 | Elementary | 322 | 13.5:1 |
| 254 | Clayton Elementary School | ENGLEWOOD | Englewood School District No. 1 in the county of Arapahoe | Elementary | 402 | 13.5:1 |
| 255 | Riverview School | GLENWOOD SPRINGS | Roaring Fork School District No. Re-1 | Elementary | 383 | 13.6:1 |
| 256 | Castro Elementary School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 241 | 13.6:1 |
| 257 | DSST: Conservatory Green High School | DENVER | School District No. 1 in the county of Denver and State of C | High | 556 | 13.6:1 |
| 258 | DSST: Cedar Middle School | DENVER | School District No. 1 in the county of Denver and State of C | Middle | 485 | 13.6:1 |
| 259 | Franklin School of Innovation | PUEBLO | Pueblo School District No. 60 in the county of Pueblo and | Elementary | 346 | 13.6:1 |
| 260 | Telluride Intermediate School | TELLURIDE | Telluride School District No. R-1 | Elementary | 237 | 13.6:1 |
| 261 | Farrell B. Howell ECE-8 School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 585 | 13.6:1 |
| 262 | Denver Center for International Studies | DENVER | School District No. 1 in the county of Denver and State of C | High | 354 | 13.6:1 |
| 263 | Asbury Elementary School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 292 | 13.6:1 |
| 264 | Meadow Point Elementary School | AURORA | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 401 | 13.6:1 |
| 265 | Olathe Middle/High School | OLATHE | Montrose County School District Re-1J | High | 499 | 13.6:1 |
| 266 | Cottonwood Plains Elementary School | FT COLLINS | Thompson School District R-2J | Elementary | 330 | 13.6:1 |
| 267 | Woodmen-Roberts Elementary School | COLORADO SPRINGS | Academy School District No. 20 in the county of El Paso an | Elementary | 381 | 13.6:1 |
| 268 | Academy Endeavour Elementary School | COLORADO SPRINGS | Academy School District No. 20 in the county of El Paso an | Elementary | 347 | 13.6:1 |
| 269 | Alamosa Elementary School K-2 | ALAMOSA | Alamosa School District No. Re-11J | Elementary | 437 | 13.6:1 |
| 270 | Acres Green Elementary School | LITTLETON | Douglas County School District No. Re 1 | Elementary | 341 | 13.6:1 |
| 271 | Jefferson Junior/Senior High School | EDGEWATER | Jefferson County School District No. R-1 | High | 601 | 13.7:1 |
| 272 | Haskin Elementary School | CENTER | Center Consolidated School District No. 26 Jt. of the count | Elementary | 312 | 13.7:1 |
| 273 | Calhan Elementary School | CALHAN | Calhan District No. RJ1 | Elementary | 201 | 13.7:1 |
| 274 | Rocky Mountain Elementary School | CLIFTON | Mesa County Valley School District No. 51 | Elementary | 395 | 13.7:1 |
| 275 | Pinello Elementary School | COLORADO SPRINGS | School District No. 3 in the county of El Paso and State of | Elementary | 301 | 13.7:1 |
| 276 | KIPP Northeast Denver Leadership Academy | DENVER | School District No. 1 in the county of Denver and State of C | High | 555 | 13.7:1 |
| 277 | Baker Elementary School | FORT MORGAN | School District No. Re-3 Fort Morgan | Elementary | 321 | 13.7:1 |
| 278 | Littleton Prep Charter School | LITTLETON | Littleton School District No. 6 in the county of Arapahoe | Elementary | 498 | 13.7:1 |
| 279 | Merit Academy | WOODLAND PARK | Woodland Park School District No. Re-2 | Combined | 452 | 13.7:1 |
| 280 | Wyatt Academy | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 240 | 13.7:1 |
| 281 | Brush Creek Elementary School | EAGLE | Eagle County School District No. Re 50 | Elementary | 341 | 13.7:1 |
| 282 | Rocky Mountain Elementary School | LONGMONT | St. Vrain Valley School District No. Re1J | Elementary | 315 | 13.7:1 |
| 283 | Innovations & Options | BRIGHTON | School District 27J | High | 235 | 13.7:1 |
| 284 | Sabin Middle School | COLORADO SPRINGS | Colorado Springs School District No. 11 in the county of E | Middle | 540 | 13.7:1 |
| 285 | Hayden Valley Elementary School | HAYDEN | Hayden School District No. Re 1 | Elementary | 232 | 13.7:1 |
| 286 | Valverde Elementary School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 359 | 13.7:1 |
| 287 | Academy of Arts and Knowledge Elementary | FT COLLINS | State Charter School Institute | Elementary | 240 | 13.7:1 |
| 288 | Douglass Valley Elementary School | USAF ACADEMY | Academy School District No. 20 in the county of El Paso an | Elementary | 306 | 13.7:1 |
| 289 | Timberline PK-8 | LONGMONT | St. Vrain Valley School District No. Re1J | Elementary | 762 | 13.7:1 |
| 290 | Washington Elementary School | CANON CITY | Fremont Re-1 | Elementary | 319 | 13.7:1 |
| 291 | Jack Swigert Middle School | COLORADO SPRINGS | Colorado Springs School District No. 11 in the county of E | Middle | 404 | 13.8:1 |
| 292 | Highland High School | AULT | Weld County School District No. Re-9 | High | 299 | 13.8:1 |
| 293 | Chipeta Elementary School | COLORADO SPRINGS | Colorado Springs School District No. 11 in the county of E | Elementary | 395 | 13.8:1 |
| 294 | Greenwood Elementary School | GREENWOOD VILLAGE | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 355 | 13.8:1 |
| 295 | Vail Ski and Snowboard Academy (VSSA) | MINTURN | Eagle County School District No. Re 50 | High | 278 | 13.8:1 |
| 296 | Monte Vista Senior High School | MONTE VISTA | Monte Vista School District No. C-8 | High | 272 | 13.8:1 |
| 297 | Stott Elementary School | ARVADA | Jefferson County School District No. R-1 | Elementary | 288 | 13.8:1 |
| 298 | Platteville Elementary School | PLATTEVILLE | Weld County Reorganized School District No. Re-1 | Elementary | 317 | 13.8:1 |
| 299 | Bookcliff Middle School | GRAND JUNCTION | Mesa County Valley School District No. 51 | Middle | 525 | 13.8:1 |
| 300 | Polton Community Elementary School | AURORA | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 466 | 13.8:1 |
