Mountain Ash Comprehensive School is an 11 to 19 mixed comprehensive school maintained by Rhondda Cynon Taf local authority that serves the town of Mountain Ash and the surrounding villages. Currently the school has 938 pupils, including 88 in the sixth form.
The county borough was formed in 1996 following the abolition of the county of Mid Glamorgan. Rhondda Cynon Taf County Borough Council was formed by the merger of the former Mid Glamorgan districts of Rhondda, Cynon Valley and Taff Ely (with the exceptions of Creigiau and Pentyrch). The population of the county is 234,300 (Census 2011), consists of 99,700 households (Census 2011) and has 7 neighbouring local authorities