Cefn Saeson (Ysgol Gyfun Cefn Saeson) is a mixed, English-medium comprehensive school located in Cimla, Neath, South Wales. It is located within the Neath Port Talbot County Borough. The school serves the population of 11- to 16-year-olds living in Cimla, Tonna, Tonmawr, Pontrhydyfen and parts of Neath. Cefn Saeson is located on Afan Valley Road.
Former headmaster, Alun Griffiths, received the 2005 award for Headteacher of the Year in the Welsh division of the Teaching Awards. Former deputy headmaster, Peter Jones, has recently won the Tedd Wragg Lifetime Achievement Award, given at a large gala in central London by Lenny Henry and broadcast on BBC2.
Coordinates: 51°39′02″N 3°46′32″W / 51.65056°N 3.77556°W