Clonkeen College has three full sized Gaelic football pitches and one training pitch these are used for the school our school sports of Gaelic football, hurling and soccer. There are two outdoor basketball courts and one indoor court situated in the gymnasium. The school has three fully equipped science labs, for chemistry, physics and biology.

The school possesses a large school hall that acts both as a sports gymnasium and an auditorium for the school theatrical productions. The hall also contains an indoor climbing wall. Clonkeen College boasts A larges and brightly lit art room. The college also possesses a well equipped computer room with over thirty networked computers.

A vast array of various sporting equipment is in constant use by students of Clonkeen.