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Many Colorado High School baseball leagues consist of a combination of 5A/4A/3A teams while others are true to their classification. rules that determine playoff participants and format are found below.
- top 32 teams from each classification based on maxpreps/rpi qualify for the playoffs. Any league champs outside of the top 32 still receive an automatic qualifying spot. Leagues must have at least 5 teams to have an auto-qualifier. If a qualifying league champ does finish outside the top 32 they then bump the lowest seeded out of the playoffs.
- 8 teams with highest rpi host the first weekend, the remaining 24 seeds will then be seeded to one of those host sites to participate in a 1-2 day single elimination tournament. Last team standing advances to the state tournament.
- With 8 teams remaining a 2 week double elimination tournament takes place until the state champ is determined.
Arapahoe
Cherokee Trail
Cherry Creek
Eaglecrest
Grandview
Smoky Hill
*Mullen participates as a 4a school
Arvada West
Bear Creek
Chatfield
Columbine
Lakewood
Ralston Valley
Valor Christian
Castle View
Chaparral
Douglas County
Heritage
Highlands Ranch
Legend
Mt. Vista
Regis Jesuit
Rock Canyon
ThunderRidge
*Ponderosa participates as a 4a school
Denver East
Denver North
Denver South
Rangeview
Vista Peak
*George Washington, Montbello, Northfield, Thomas Jefferson participate as 4a schools.
Doherty
Ft. Fort Carson
Liberty
Pine Creek
Pueblo West
Rampart
Vista Ridge
Boulder
Brighton
Mtn. Range
Northglenn
Prairie View
Riverdale Ridge
*Westminster participates as a 4a school
Adams City
Overland
*Aurora Central, Gateway, Skyview, Thornton participate as 4a schools.
Fruita Monument
*Durango, Montrose, Grand Junction, GJ Central, Palisade participate as 4a schools.
Broomfield
Erie
Fairview
Horizon
Legacy
Monarch
*Centaurus, Frederick, Longmont, Mead, Niwot, Silver Creek, Skyline, Holy Family participate as 4a schools.
Fort Collins
Fossil Ridge
Greeley West
Loveland
Poudre
Rocky Mtn.
*Windsor participates as a 4a school
Golden
Evergreen
Dakota Ridge
Green Mtn.
Littleton
Conifer
Wheatridge
Pomona
Standley Lake
*D'Evelyn participates as a 3a school
Centaurus
Frederick
Longmont
Mead
Niwot
Silver Creek
Skyline
Holy Family
*Broomfield, Erie, Fairview, Horizon, Legacy, Monarch participate as 5a schools.
Air Academy
Cheyenne Mtn.
Discovery Canyon
Lewis-Palmer
Lutheran
Palmer Ridge
Battle Mtn.
Eagle Valley
Glenwood Springs
Rifle
Steamboat Springs
Summit
Canon City
Coronado
Mesa Ridge
Palmer
Widefield
*Harrison participates as a 3a school
Mtn. View
Northridge
Roosevelt
Severance
Thompson Valley
*Berthoud, Timnath, Wellington, Greeley Central participate as 3a schools.
Pueblo Centennial
Pueblo Central
Pueblo County
Pueblo East
Pueblo South
Durango
Montrose
Grand Junction
Grand Junction Central
Palisade
*Fruita Monument participates as a 5a school
Falcon
Sand Creek
Sierra
*Classical Academy, Elizabeth, Mitchell participate as 3a schools.
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George Washington
Montbello
Northfield
Thomas Jefferson
*Denver East, Denver North, Denver South, Rangeview, Vista Peak participate as 5a schools.
Aurora Central
Gateway
Skyview
Thornton
*Adams City, Overland, participate as 5a schools.
Ponderosa
*Castle View, Chaparral, Douglas County, Heritage, Highlands Ranch, Legend, Mt. Vista, Regis Jesuit, Rock Canyon, ThunderRidge participate as 5a schools.
Mullen
*Arapahoe, Cherokee Trail, Cherry Creek, Eaglecrest, Grandview, Smoky Hill participate as 5a schools.
Fort Morgan
*Brush, Eaton, Liberty Common, Res. Christian, Sterling, Strasburg, University, Valley, Weld Central participate as 3a schools.
Westminster
*Boulder, Brighton, Mtn. Range, Northglenn, Prairie View, Riverdale Ridge participate as 5a schools.
Windsor
*Fort Collins, Fossil Ridge, Greeley West, Loveland, Poudre, Rocky Mtn participate as 5a schools.
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