Rankings · Colorado
Largest schools in Colorado
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Goal Academy | Pueblo | El Paso County Colorado School District 49 | 5308 |
| 2 | Cherry Creek High School | Greenwood Village | Cherry Creek School District No. 5 in the county of Arapah | 3868 |
| 3 | Cherry Creek High School | Greenwood Village | Cherry Creek School District No. 5 in the county of Arapah | 3806 |
| 4 | Eaglecrest High School | Centennial | Cherry Creek School District No. 5 in the county of Arapah | 3110 |
| 5 | Grandview High School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 2908 |
| 6 | Cherokee Trail High School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 2888 |
| 7 | East High School | Denver | School District No. 1 in the county of Denver and State of C | 2581 |
| 8 | American Academy | Castle Pines | Douglas County School District No. Re 1 | 2576 |
| 9 | Colorado Connections Academy | Englewood | Mapleton School District No. 1 in the county of Adams & St | 2532 |
| 10 | Legacy High School | Broomfield | Adams 12 Five Star Schools | 2417 |
| 11 | Mountain Vista High School | Highlands Ranch | Douglas County School District No. Re 1 | 2367 |
| 12 | Rock Canyon High School | Highlands Ranch | Douglas County School District No. Re 1 | 2366 |
| 13 | Colorado Connections Academy @ Durango | Durango | Durango School District No. 9-R | 2340 |
| 14 | Overland High School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 2286 |
| 15 | Colorado Preparatory Academy Elementary School | Westminster | Education Reenvisioned Boces | 2280 |
| 16 | Legend High School | Parker | Douglas County School District No. Re 1 | 2234 |
| 17 | Chaparral High School | Parker | Douglas County School District No. Re 1 | 2213 |
| 18 | Smoky Hill High School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 2208 |
| 19 | Castle View High School | Castle Rock | Douglas County School District No. Re 1 | 2203 |
| 20 | Westminster High School | Westminster | Westminster Public Schools | 2198 |
| 21 | Chaparral High School | Parker | Douglas County School District No. Re 1 | 2193 |
| 22 | Fossil Ridge High School | Fort Collins | Poudre School District R-1 | 2175 |
| 23 | The Classical Academy Charter | Colorado Springs | Academy School District No. 20 in the county of El Paso an | 2172 |
| 24 | Rangeview High School | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 2132 |
| 25 | Boulder High School | Boulder | Boulder Valley School District No. Re2 | 2131 |
| 26 | The Pinnacle Charter School | Federal Heights | State Charter School Institute | 2107 |
| 27 | Lakewood High School | Lakewood | Jefferson County School District No. R-1 | 2090 |
| 28 | Horizon High School | Brighton | Adams 12 Five Star Schools | 2067 |
| 29 | Rocky Mountain High School | Fort Collins | Poudre School District R-1 | 2056 |
| 30 | Fairview High School | Boulder | Boulder Valley School District No. Re2 | 2039 |
| 31 | Northglenn High School | Northglenn | Adams 12 Five Star Schools | 2039 |
| 32 | Arapahoe High School | Centennial | Littleton School District No. 6 in the county of Arapahoe | 2033 |
| 33 | Poudre High School | Fort Collins | Poudre School District R-1 | 1973 |
| 34 | Hinkley High School | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 1961 |
| 35 | Fort Collins High School | Fort Collins | Poudre School District R-1 | 1951 |
| 36 | Doherty High School | Colorado Springs | Colorado Springs School District No. 11 in the county of E | 1941 |
| 37 | Thunderridge High School | Highlands Ranch | Douglas County School District No. Re 1 | 1910 |
| 38 | Academy Of Charter Schools | Westminster | State Charter School Institute | 1899 |
| 39 | Ralston Valley Senior High School | Arvada | Jefferson County School District No. R-1 | 1891 |
| 40 | Mountain Range High School | Westminster | Adams 12 Five Star Schools | 1853 |
| 41 | Brighton High School | Brighton | School District 27J | 1834 |
| 42 | Chatfield High School | Littleton | Jefferson County School District No. R-1 | 1834 |
| 43 | Fountain-Fort Carson High School | Fountain | Fountain School District No. 8 in the county of El Paso an | 1834 |
| 44 | Arvada West High School | Arvada | Jefferson County School District No. R-1 | 1825 |
| 45 | Douglas County High School | Castle Rock | Douglas County School District No. Re 1 | 1817 |
| 46 | Aurora Central High School | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 1807 |
| 47 | Stem School Highlands Ranch | Highlands Ranch | Douglas County School District No. Re 1 | 1761 |
| 48 | Stem School Highlands Ranch | Highlands Ranch | Douglas County School District No. Re 1 | 1750 |
| 49 | University Schools | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1742 |
| 50 | Columbine High School | Littleton | Jefferson County School District No. R-1 | 1732 |
| 51 | South High School | Denver | School District No. 1 in the county of Denver and State of C | 1722 |
| 52 | Liberty High School | Colorado Springs | Academy School District No. 20 in the county of El Paso an | 1721 |
| 53 | Heritage High School | Littleton | Littleton School District No. 6 in the county of Arapahoe | 1719 |
| 54 | Aim Global | Pueblo | Las Animas School District No. Re-1 | 1701 |
| 55 | Prairie View High School | Henderson | School District 27J | 1696 |
| 56 | Frontier Charter Academy | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1670 |
| 57 | Greeley West High School | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1667 |
| 58 | Adams City High School | Commerce City | School District N. 14 in the county of Adams & State of Colo | 1656 |
| 59 | Pine Creek High School | Colorado Springs | Academy School District No. 20 in the county of El Paso an | 1644 |
| 60 | Vista Ridge High School | Colorado Springs | El Paso County Colorado School District 49 | 1627 |
| 61 | Highlands Ranch High School | Highlands Ranch | Douglas County School District No. Re 1 | 1625 |
| 62 | Mcauliffe International School | Denver | School District No. 1 in the county of Denver and State of C | 1615 |
| 63 | Erie High School | Erie | St. Vrain Valley School District No. Re1J | 1609 |
| 64 | Palmer High School | Colorado Springs | Colorado Springs School District No. 11 in the county of E | 1594 |
| 65 | North High School | Denver | School District No. 1 in the county of Denver and State of C | 1591 |
| 66 | Central High School | Grand Junction | Mesa County Valley School District No. 51 | 1583 |
| 67 | Monarch High School | Louisville | Boulder Valley School District No. Re2 | 1580 |
| 68 | Loveland High School | Loveland | Thompson School District R-2J | 1560 |
| 69 | Prairie Middle School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 1559 |
| 70 | Greeley Central High School | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1552 |
| 71 | Thornton High School | Thornton | Adams 12 Five Star Schools | 1544 |
| 72 | Broomfield High School | Broomfield | Boulder Valley School District No. Re2 | 1540 |
| 73 | Bear Creek High School | Lakewood | Jefferson County School District No. R-1 | 1533 |
| 74 | Skyline High School | Longmont | St. Vrain Valley School District No. Re1J | 1520 |
| 75 | Rampart High School | Colorado Springs | Academy School District No. 20 in the county of El Paso an | 1519 |
| 76 | Vista Peak 9-12 Preparatory | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 1519 |
| 77 | Campus Middle School | Greenwood Village | Cherry Creek School District No. 5 in the county of Arapah | 1516 |
| 78 | Stargate Charter School | Thornton | Adams 12 Five Star Schools | 1486 |
| 79 | Centaurus High School | Lafayette | Boulder Valley School District No. Re2 | 1482 |
| 80 | Banning Lewis Ranch Academy | Colorado Springs | El Paso County Colorado School District 49 | 1469 |
| 81 | Peak To Peak Charter School | Lafayette | Boulder Valley School District No. Re2 | 1453 |
| 82 | Gateway High School | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 1438 |
| 83 | Ponderosa High School | Parker | Douglas County School District No. Re 1 | 1436 |
| 84 | Prospect Ridge Academy | Broomfield | Adams 12 Five Star Schools | 1434 |
| 85 | Campus Middle School | Greenwood Village | Cherry Creek School District No. 5 in the county of Arapah | 1424 |
| 86 | Dakota Ridge Senior High School | Littleton | Jefferson County School District No. R-1 | 1421 |
| 87 | Stargate Charter School | Thornton | Adams 12 Five Star Schools | 1421 |
| 88 | Pueblo West High School | Pueblo West | Pueblo County School District 70 | 1398 |
| 89 | Coronado High School | Colorado Springs | Colorado Springs School District No. 11 in the county of E | 1396 |
| 90 | Air Academy High School | Usaf Academy | Academy School District No. 20 in the county of El Paso an | 1383 |
| 91 | Golden High School | Golden | Jefferson County School District No. R-1 | 1381 |
| 92 | Grand Junction High School | Grand Junction | Mesa County Valley School District No. 51 | 1378 |
| 93 | Montrose High School | Montrose | Montrose County School District Re-1J | 1352 |
| 94 | Colorado Early College Fort Collins | Fort Collins | State Charter School Institute | 1345 |
| 95 | Fruita Monument High School | Fruita | Mesa County Valley School District No. 51 | 1345 |
| 96 | Astravo Online Academy High School | Lakewood | Byers School District No. 32J | 1332 |
| 97 | Mesa Ridge High School | Colorado Springs | School District No. 3 in the county of El Paso and State of | 1312 |
| 98 | Thomas Jefferson High School | Denver | School District No. 1 in the county of Denver and State of C | 1310 |
| 99 | Silver Creek High School | Longmont | St. Vrain Valley School District No. Re1J | 1301 |
| 100 | Littleton High School | Littleton | Littleton School District No. 6 in the county of Arapahoe | 1300 |
| 101 | Standley Lake High School | Westminster | Jefferson County School District No. R-1 | 1295 |
| 102 | Durango High School | Durango | Durango School District No. 9-R | 1292 |
| 103 | Cheyenne Mountain High School | Colorado Springs | Cheyenne Mountain School District No. 12 in the county of E | 1271 |
| 104 | Longmont High School | Longmont | St. Vrain Valley School District No. Re1J | 1265 |
| 105 | Thunder Ridge Middle School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 1254 |
| 106 | Widefield High School | Colorado Springs | School District No. 3 in the county of El Paso and State of | 1251 |
| 107 | Pomona High School | Arvada | Jefferson County School District No. R-1 | 1250 |
| 108 | Skyview Academy | Highlands Ranch | Douglas County School District No. Re 1 | 1244 |
| 109 | Northfield High School | Denver | School District No. 1 in the county of Denver and State of C | 1239 |
| 110 | Soaring Heights Pk-8 | Erie | St. Vrain Valley School District No. Re1J | 1239 |
| 111 | Palmer Ridge High School | Monument | Lewis-Palmer Consolidated School District No. 38 in the co | 1227 |
| 112 | Rocky Heights Middle School | Littleton | Douglas County School District No. Re 1 | 1218 |
| 113 | Northridge High School | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1217 |
| 114 | Frederick Senior High School | Frederick | St. Vrain Valley School District No. Re1J | 1213 |
| 115 | George Washington High School | Denver | School District No. 1 in the county of Denver and State of C | 1213 |
| 116 | Cimarron Middle | Parker | Douglas County School District No. Re 1 | 1209 |
| 117 | Bromley East Charter School | Brighton | School District 27J | 1207 |
| 118 | Thunder Ridge Middle School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 1201 |
| 119 | Niwot High School | Niwot | St. Vrain Valley School District No. Re1J | 1200 |
| 120 | Dr. Martin Luther King Jr. Early College | Denver | School District No. 1 in the county of Denver and State of C | 1199 |
| 121 | Falcon High School | Peyton | El Paso County Colorado School District 49 | 1196 |
| 122 | Riverdale Ridge High School | Thornton | School District 27J | 1195 |
| 123 | Colorado Preparatory Academy Middle School | Westminster | Education Reenvisioned Boces | 1178 |
| 124 | Alameda International Junior/Senior High School | Lakewood | Jefferson County School District No. R-1 | 1170 |
| 125 | Mountain View High School | Loveland | Thompson School District R-2J | 1170 |
| 126 | Pueblo County High School | Pueblo | Pueblo County School District 70 | 1167 |
| 127 | Liberty Common Charter School | Fort Collins | Poudre School District R-1 | 1163 |
| 128 | Discovery Canyon Campus High School | Colorado Springs | Academy School District No. 20 in the county of El Paso an | 1160 |
| 129 | Mitchell High School | Colorado Springs | Colorado Springs School District No. 11 in the county of E | 1159 |
| 130 | Lewis-Palmer High School | Monument | Lewis-Palmer Consolidated School District No. 38 in the co | 1157 |
| 131 | West Middle School | Greenwood Village | Cherry Creek School District No. 5 in the county of Arapah | 1156 |
| 132 | Jefferson Academy | Broomfield | Jefferson County School District No. R-1 | 1154 |
| 133 | Wheat Ridge High School | Wheat Ridge | Jefferson County School District No. R-1 | 1152 |
| 134 | Liberty Common Charter School | Fort Collins | Poudre School District R-1 | 1148 |
| 135 | Green Mountain High School | Lakewood | Jefferson County School District No. R-1 | 1142 |
| 136 | Sand Creek High School | Colorado Springs | El Paso County Colorado School District 49 | 1133 |
| 137 | Aurora West College Preparatory Academy | Aurora | Aurora Joint District No. 28 of the counties of Adams and A | 1132 |
| 138 | D'Evelyn Junior/Senior High School | Denver | Jefferson County School District No. R-1 | 1132 |
| 139 | Windsor High School | Windsor | Weld County Reorganized School District No. Re-4 | 1116 |
| 140 | Palisade High School | Palisade | Mesa County Valley School District No. 51 | 1112 |
| 141 | Colorado Early Colleges Windsor | Windsor | State Charter School Institute | 1110 |
| 142 | Harrison High School | Colorado Springs | Harrison School District No. 2 in the county of El Paso an | 1108 |
| 143 | Fox Ridge Middle School | Aurora | Cherry Creek School District No. 5 in the county of Arapah | 1107 |
| 144 | Denver School Of The Arts | Denver | School District No. 1 in the county of Denver and State of C | 1099 |
| 145 | Mead High School | Longmont | St. Vrain Valley School District No. Re1J | 1086 |
| 146 | Fountain Middle School | Fountain | Fountain School District No. 8 in the county of El Paso an | 1084 |
| 147 | Rocky Mountain Classical Academy | Colorado Springs | El Paso County Colorado School District 49 | 1062 |
| 148 | The Vanguard School (Elementary) | Colorado Springs | Cheyenne Mountain School District No. 12 in the county of E | 1060 |
| 149 | Bella Romero Academy Of Applied Technology | Greeley | GreeleySchool District No. 6 in the county of Weld and Sta | 1051 |
| 150 | Preston Middle School | Fort Collins | Poudre School District R-1 | 1048 |