Coláiste Mhuire is a co-educational, non-selective secondary school in Johnstown, Co. Kilkenny, serving the North-West Kilkenny region and bordering areas of Tipperary and Laois. Established in 1952, the school acts as a community hub, offering facilities for night classes, sporting activities, and health initiatives while providing comprehensive secondary education, including vocational programmes like LCVP and JCSP.