| Name |
County |
| Green Mountain High School |
Jefferson |
| Gunnison High School |
Gunnison |
| Harold Ferguson High School |
Larimer |
| Harold Ferguson High School |
Larimer |
| Harrison High School |
El Paso |
| Haxtun High School |
Phillips |
| Hayden High School |
Routt |
| Heritage High School |
Arapahoe |
| Hi Plains Undivided High School |
Kit Carson |
| Hidden Lake High School |
Adams |
| Highland High School |
Weld |
| Highlands Ranch High School |
Douglas |
| Hinkley High School |
Adams |
| Holy Family High School |
Broomfield |
| HOPE at Alpha High Learning Academy |
Pueblo |
| HOPE at Global Advantage Pueblo La Gente |
Pueblo |
| Hope at Maranatha Learning Center |
Denver |
| Horizon High School |
Adams |
| Ignacio High School |
La Plata |
| Innovations and Options School |
Adams |
| James Irwin Charter High School |
El Paso |
| Jefferson High School |
Weld |
| John F Kennedy High School |
Jefferson |
| John Mall High School |
Huerfano |
| Justice High School |
Boulder |
| Kim Undivided High School |
Las Animas |
| Kiowa High School |
Elbert |
| KIPP Denver Collegiate High School |
Denver |
| KIPP Northeast Denver Leadership Academy |
Denver |
| La Veta High School |
Huerfano |
| Lake County High School |
Lake |
| Lakewood High School |
Jefferson |
| Lamar High School |
Prowers |
| Las Animas Junior / Senior High School |
Bent |
| Launch High School |
El Paso |
| Legacy High School |
Broomfield |
| Legacy Options High School |
Denver |
| Legend High School |
Douglas |
| Lester Arnold High School |
Adams |
| Lewis - Palmer High School |
El Paso |
| Liberty Common High School |
Larimer |
| Liberty High School |
El Paso |
| Lincoln High School |
Morgan |
| Littleton High School |
Arapahoe |
| Long View High School |
Jefferson |
| Longmont High School |
Boulder |
| Loveland High School |
Larimer |
| Lutheran High School Parker |
Douglas |
| Mancos High School |
Montezuma |
| Manitou Springs High School |
El Paso |
| Manual High School |
Denver |
| Mapleton Early College |
Adams |
| McLain Community High School |
Jefferson |
| Mead High School |
Weld |
| Meeker High School |
Rio Blanco |
| Mesa Ridge High School |
El Paso |
| Miami Yoder High School |
El Paso |
| Middle Park High School |
Grand |
| Moffat County High School |
Moffat |
| Monarch High School |
Boulder |
| Montbello Career and Technical High School |
Denver |
| Monte Vista High School |
Rio Grande |
| Montezuma - Cortez High School |
Montezuma |
| Montrose High School |
Montrose |
| Mountain Range High School |
Adams |
| Mountain View High School |
Larimer |
| Mountain Vista High School |
Douglas |
| Mullen High School |
Denver |
| New America School Thornton Campus |
Adams |
| New Meridian High School |
Boulder |
| New Vista High School |
Boulder |
| Niwot High School |
Boulder |
| North Fork High School |
Delta |
| North High School |
Denver |
| North High School Engagement Center |
Denver |
