Progressing into the 20th century, the circuit played in 1905–1906 as a class D league and this stint lasted two years.
In 1913, the CKL switched back to the Kansas State League name.
1906 Kansas State League Pittsburg moved to Vinita June 6; Iola moved to Cherryvale June 15; Fort Scott and Vinita disbanded July 5.
League discarded all games played before July 10 and season restarted.
1909 Kansas State League The city of Winfield, Kansas bought partial interest in Arkansas City franchise on July 22; Strong City–Cottonwood Falls moved to Larned July 12.