Rankings · Colorado
Largest schools in Thornton, Colorado
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Thornton High School | Thornton | Adams 12 Five Star Schools | 1544 |
| 2 | Stargate Charter School | Thornton | Adams 12 Five Star Schools | 1486 |
| 3 | Stargate Charter School | Thornton | Adams 12 Five Star Schools | 1421 |
| 4 | Riverdale Ridge High School | Thornton | School District 27J | 1195 |
| 5 | Rocky Top Middle School | Thornton | Adams 12 Five Star Schools | 1032 |
| 6 | York International | Thornton | Mapleton School District No. 1 in the county of Adams & St | 972 |
| 7 | Century Middle School | Thornton | Adams 12 Five Star Schools | 941 |
| 8 | Thornton Middle School | Thornton | Adams 12 Five Star Schools | 908 |
| 9 | Rodger Quist Middle School | Thornton | School District 27J | 888 |
| 10 | Stem Launch | Thornton | Adams 12 Five Star Schools | 825 |
| 11 | Shadow Ridge Middle School | Thornton | Adams 12 Five Star Schools | 815 |
| 12 | West Ridge Elementary | Thornton | School District 27J | 752 |
| 13 | Brantner Elementary School | Thornton | School District 27J | 670 |
| 14 | Mapleton Expeditionary School Of The Arts | Thornton | Mapleton School District No. 1 in the county of Adams & St | 610 |
| 15 | Silver Creek Elementary | Thornton | Adams 12 Five Star Schools | 561 |
| 16 | Clayton Partnership School | Thornton | Mapleton School District No. 1 in the county of Adams & St | 532 |
| 17 | Achieve Academy | Thornton | Mapleton School District No. 1 in the county of Adams & St | 526 |
| 18 | Explore Pk-8 | Thornton | Mapleton School District No. 1 in the county of Adams & St | 521 |
| 19 | Coronado Hills Elementary School | Thornton | Adams 12 Five Star Schools | 513 |
| 20 | Eagleview Elementary School | Thornton | Adams 12 Five Star Schools | 509 |
| 21 | Meadow Community School | Thornton | Mapleton School District No. 1 in the county of Adams & St | 503 |
| 22 | Tarver Elementary School | Thornton | Adams 12 Five Star Schools | 473 |
| 23 | Stellar Elementary School | Thornton | Adams 12 Five Star Schools | 465 |
| 24 | Riverdale Elementary School | Thornton | Adams 12 Five Star Schools | 460 |
| 25 | Prairie Hills Elementary School | Thornton | Adams 12 Five Star Schools | 450 |
| 26 | Academy High School | Thornton | Mapleton School District No. 1 in the county of Adams & St | 448 |
| 27 | Woodglen Elementary School | Thornton | Adams 12 Five Star Schools | 441 |
| 28 | Achieve Academy | Thornton | Mapleton School District No. 1 in the county of Adams & St | 420 |
| 29 | Riverdale Elementary School | Thornton | Adams 12 Five Star Schools | 416 |
| 30 | Meadow Community School | Thornton | Mapleton School District No. 1 in the county of Adams & St | 406 |
| 31 | Hunters Glen Elementary School | Thornton | Adams 12 Five Star Schools | 394 |
| 32 | Pathways Future Center | Thornton | Adams 12 Five Star Schools | 392 |
| 33 | Skyview Elementary School | Thornton | Adams 12 Five Star Schools | 392 |
| 34 | Mcelwain Elementary School | Thornton | Adams 12 Five Star Schools | 371 |
| 35 | Thornton Elementary School | Thornton | Adams 12 Five Star Schools | 339 |
| 36 | Cherry Drive Elementary School | Thornton | Adams 12 Five Star Schools | 337 |
| 37 | Mapleton Early College High School | Thornton | Mapleton School District No. 1 in the county of Adams & St | 270 |
| 38 | New America School - Thornton | Thornton | Adams 12 Five Star Schools | 260 |
| 39 | North Valley School For Young Adults | Thornton | Mapleton School District No. 1 in the county of Adams & St | 77 |
| 40 | Adams12 Five Star Preschool | Thornton | Adams 12 Five Star Schools | 50 |