Kaarinan Pojat was established on 1 October 1958 having been initiated by a young teacher from Loimaa, Olavi Kuikka.

The founding meeting was held at Ylikylä school and Pauli Hollmén was elected as chairman and Olavi Kuikka as secretary.

The executive committee consisted of Heikki Hallikainen, Veikko Polari, Raimo Åkerblom, Arvi Kukkonen and Pertti Kottonen.

KaaPo have had two periods covering 18 seasons in the Kakkonen (Second Division), the third tier of Finnish football.

The club organises various activities for its young players including group training and soccer schools.