|No. of teams||8 (as of December 19, 2017)|
|Official website||The Jayhawk Collegiate League|
The Jayhawk Collegiate League is a collegiate summer baseball league consisting of seven teams from Kansas and one team from Oklahoma. The league was formed in 1976 and is a "Premier League" within the National Baseball Congress.
The league includes the following teams: Derby Twins, Dodge City A's, El Dorado Broncos, Great Bend Bat Cats, Hays Larks, Haysville Aviators, Liberal Bee Jays, and the Oklahoma City Indians (formerly Oklahoma A's), which play out of Oklahoma City. 
The Dodge City A's returned to the league once again in 2011 after leaving in 1981.
The Twins joined the league in 2005. The team previously played in the Walter Johnson League.
The Broncos officially moved from Wichita to El Dorado for the 1996 season. The Broncos had previously been located in Hutchinson before moving to Wichita.
Briefly, the Elk City Elkes, Enid (Red) Sox, Joplin Blasters and Nevada (Mo.) Griffins were members of the Jayhawk League, but they switched leagues.
In Kansas and Oklahoma, the Jayhawk is one of 4 collegiate leagues until 2017, the Sooner State League (2010s), the Tulsa (Oklahoma) League, and the Walter Johnson League (these 3 are disbanded) with a total of 30 teams.
In 2019, The Derby Twins, Great Bend Bat Cats, Haysville Aviators, and El Dorado (formerly Wichita) Broncos went to the Sunflower Collegiate League, leaving four teams behind: the Dodge City A's, Hays Larks, Liberal Bee Jays, and The City OK's.  The Sunflower Collegiate League also has the Wellington Heat in Kansas and Woodward Winds in Oklahoma (former Jayhawk League teams in the 2000s). 
|Derby Twins||Derby, Kansas||Panther Field|
|Dodge City A's||Dodge City, Kansas||Cavalier Field|
|El Dorado Broncos||El Dorado, Kansas||McDonald Stadium|
|Great Bend Bat Cats||Great Bend, Kansas||Al Burns Memorial Field|
|Hays Larks||Hays, Kansas||Larks Park|
|Haysville Aviators||Haysville, Kansas||Plagen's-Carpenter Sports Complex|
|Liberal Bee Jays||Liberal, Kansas||Brent Gould Field|
|The City OK's||Oklahoma City, Oklahoma||Dobson Stadium|