| 501 | Wildcat Mountain Elementary School | LITTLETON | Douglas County School District No. Re 1 | Elementary | 423 | 14.8:1 |
| 502 | Clara Brown Entrepreneurial Academy | AURORA | Aurora Joint District No. 28 of the counties of Adams and A | Elementary | 282 | 14.8:1 |
| 503 | Green Valley Elementary School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 714 | 14.8:1 |
| 504 | Limon Junior-Senior High School | LIMON | Limon School District No. Re 4J | High | 233 | 14.8:1 |
| 505 | Peyton Elementary School | PEYTON | Peyton School District No. 23 in the county of El Paso and | Elementary | 293 | 14.8:1 |
| 506 | Sunrise Elementary School | AURORA | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 497 | 14.8:1 |
| 507 | The Da Vinci Academy School | COLORADO SPRINGS | Academy School District No. 20 in the county of El Paso an | Elementary | 447 | 14.8:1 |
| 508 | Canyon Creek Elementary School | AURORA | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 477 | 14.9:1 |
| 509 | Benjamin Eaton Elementary School | EATON | Weld County School District No. Re-2 | Elementary | 357 | 14.9:1 |
| 510 | Cherokee Trail Elementary School | PARKER | Douglas County School District No. Re 1 | Elementary | 553 | 14.9:1 |
| 511 | High Plains Elementary School | GREENWOOD VILLAGE | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 462 | 14.9:1 |
| 512 | Henderson Elementary School | HENDERSON | School District 27J | Elementary | 357 | 14.9:1 |
| 513 | Loma Elementary School | LOMA | Mesa County Valley School District No. 51 | Elementary | 207 | 14.9:1 |
| 514 | AXL Academy | AURORA | Aurora Joint District No. 28 of the counties of Adams and A | Elementary | 402 | 14.9:1 |
| 515 | Sopris Elementary School | GLENWOOD SPRINGS | Roaring Fork School District No. Re-1 | Elementary | 392 | 14.9:1 |
| 516 | Little Elementary School | ARVADA | Jefferson County School District No. R-1 | Elementary | 310 | 14.9:1 |
| 517 | Middle Park High School | GRANBY | East Grand School District No. 2 | High | 413 | 14.9:1 |
| 518 | McGlone Academy | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 842 | 14.9:1 |
| 519 | Crested Butte Elementary School | CRESTED BUTTE | Gunnison Watershed School District Re1J | Elementary | 303 | 14.9:1 |
| 520 | Grant Ranch ECE-8 School | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 334 | 14.9:1 |
| 521 | Colorado High School Charter - GES | DENVER | School District No. 1 in the county of Denver and State of C | High | 209 | 14.9:1 |
| 522 | Columbine Elementary School | BOULDER | Boulder Valley School District No. Re2 | Elementary | 369 | 14.9:1 |
| 523 | Wilmot Elementary School | EVERGREEN | Jefferson County School District No. R-1 | Elementary | 327 | 14.9:1 |
| 524 | Timberline Elementary School | CENTENNIAL | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 478 | 14.9:1 |
| 525 | Cache La Poudre Elementary School | LAPORTE | Poudre School District R-1 | Elementary | 281 | 14.9:1 |
| 526 | Walt Clark Middle School | LOVELAND | Thompson School District R-2J | Middle | 340 | 15.0:1 |
| 527 | Kendallvue Elementary School | MORRISON | Jefferson County School District No. R-1 | Elementary | 370 | 15.0:1 |
| 528 | Longmont Estates Elementary School | LONGMONT | St. Vrain Valley School District No. Re1J | Elementary | 365 | 15.0:1 |
| 529 | Montezuma-Cortez Middle School | CORTEZ | Montezuma-Cortez School District No. Re-1 | Middle | 505 | 15.0:1 |
| 530 | Traylor Academy | DENVER | School District No. 1 in the county of Denver and State of C | Elementary | 300 | 15.0:1 |
| 531 | Rim Rock Elementary School | FRUITA | Mesa County Valley School District No. 51 | Elementary | 292 | 15.0:1 |
| 532 | Grand Mesa Middle School | GRAND JUNCTION | Mesa County Valley School District No. 51 | Middle | 476 | 15.0:1 |
| 533 | Alameda International Junior/Senior High School | LAKEWOOD | Jefferson County School District No. R-1 | High | 1,002 | 15.0:1 |
| 534 | Steele Elementary School | COLORADO SPRINGS | Colorado Springs School District No. 11 in the county of E | Elementary | 273 | 15.0:1 |
| 535 | Mesa Elementary School | WESTMINSTER | Westminster Public Schools | Elementary | 317 | 15.0:1 |
| 536 | Jefferson County Open Secondary | LAKEWOOD | Jefferson County School District No. R-1 | High | 315 | 15.0:1 |
| 537 | Leroy Elementary | NORTHGLENN | Adams 12 Five Star Schools | Elementary | 435 | 15.0:1 |
| 538 | Wray Junior Senior High School | WRAY | Wray RD-2 School District | High | 322 | 15.0:1 |
| 539 | W H Heaton Middle School | PUEBLO | Pueblo School District No. 60 in the county of Pueblo and | Middle | 578 | 15.0:1 |
| 540 | Metropolitan Arts Academy | DENVER | Westminster Public Schools | Elementary | 302 | 15.0:1 |
| 541 | McAuliffe Elementary | COLORADO SPRINGS | Colorado Springs School District No. 11 in the county of E | Elementary | 448 | 15.0:1 |
| 542 | Kenneth Homyak PK-8 | DACONO | Weld re-8 schools | Elementary | 311 | 15.0:1 |
| 543 | Black Forest Hills Elementary School | AURORA | Cherry Creek School District No. 5 in the county of Arapah | Elementary | 500 | 15.0:1 |
| 544 | Academy International Elementary School | COLORADO SPRINGS | Academy School District No. 20 in the county of El Paso an | Elementary | 368 | 15.0:1 |
| 545 | Pear Park Elementary School | GRAND JUNCTION | Mesa County Valley School District No. 51 | Elementary | 428 | 15.0:1 |
| 546 | Patterson International School | LAKEWOOD | Jefferson County School District No. R-1 | Elementary | 346 | 15.0:1 |
| 547 | Gudy Gaskill Elementary | CENTENNIAL | Littleton School District No. 6 in the county of Arapahoe | Elementary | 508 | 15.0:1 |
| 548 | Fox Creek Elementary School | HIGHLANDS RANCH | Douglas County School District No. Re 1 | Elementary | 436 | 15.0:1 |
| 549 | Lukas Elementary School | WESTMINSTER | Jefferson County School District No. R-1 | Elementary | 402 | 15.0:1 |
| 550 | Wildflower Elementary School | COLORADO SPRINGS | Harrison School District No. 2 in the county of El Paso an | Elementary | 346 | 15.0:1 |