TIER 1: Less than 250 students

Calhan Middle School, Centauri Middle School, Compass Academy, Craver Middle School, Hayden Middle School, Hemphill Middle School, Highland Middle School, Mancos Middle School, McGinnis Middle School, Options Middle School, Sargent Junior High School, Skoglund Middle School, Soroco Middle School, Wiggins Middle School

TIER 2: 250-499 students

Canon City Middle School, Elizabeth Middle School, Englewood Middle School, Estes Park Middle School, Fort Lupton Middle School, Fort Morgan Middle School, Fremont Middle School, Grand Valley Middle School, Gypsum Creek Middle School, Jack Swigert Aerospace Academy, Mandalay Middle School, Moore Middle School, North Arvada Middle School, Panorama Middle School, Platte Valley Middle School, Summit Charter Middle School, Trinidad Middle School, Vineland Middle School, Walt Clark Middle School, Weld Central Middle School, Wellington Middle School

TIER 3: 500-749 students

Bell Middle School, Broomfield Heights Middle School, Carmody Middle School, Creighton Middle School, Delta Middle School, Hill Campus of Arts and Sciences, M. Scott Carpenter Middle School, Milliken Middle School, Oberon Junior High School, Ortega Middle School, Pueblo Academy of Arts, Steamboat Springs Middle School, The Pinnacle Charter School - Middle School, Vikan Middle School

TIER 4: 750+ students

Cimarron Middle School, Eagleview Middle School, Kearney Middle School, Mrachek Middle School, North Middle School Health Sciences and Technology Campus, Prairie Heights Middle School, Prairie Middle School, Rocky Top Middle School, Sagewood Middle School, Sierra Middle School, South Middle School, The International School at Thornton Middle, Webber Middle School