Cnoc Mhuire has 16 general classrooms and a number of specialised classrooms.

A Home Economics Kitchen, a gym, a Sports Hall, a music room, a DCG room, 2 woodwork rooms, 2 science labs, a Geography room, an Art room, a needlework room, 2 computer rooms, a music Room, Solas our Special class for students with autism. All classrooms have data projectors and wifi.

In addition, we have a full sized GAA pitch, 2 basketball courts and a tennis court.

There are currently plans for an extension that will incorporate 2 classes for children with autism, 2 Science labs, a Graphics room, a Technology room, a new Home Economics Kitchen, new bathrooms and 5 general classrooms. These plans are at the design stage.