It is for ages 11-16. It is situated off the A474 next to Neath Port Talbot College (former Neath College before 1996) and close to the former Nidum Roman . The Lower School is situated about a half-mile to the west in Neath Abbey.
The former schools were Neath Grammar School for Boys and Rhydhir Secondary Modern School in Neath Abbey. Neath Girls' Grammar School was on Cadoxton Road (A4230). Neath Grammar School was noted for producing many well-known rugby players and for its music (choirs).
The school opened its doors for the first time in September 1973 following the ending of grammar school education in the Neath area. The Upper School is housed on Dwr-y-Felin Road in the buildings of the former grammar school adjacent to Neath Port Talbot College, while the Lower School is situated on the campus of the former secondary modern school in Longford, Neath Abbey.
The inaugural headmaster was Dr R.J. Graham (previously the headmaster of Neath Grammar School for Boys), and the present incumbent is Mr N. Stacey who has been headmaster since September 2002.