Hafodwenog is an area school, opened in 1972 to serve the children of Alma, Bryn Iwan, Cilrhedyn, Dinas, Gelliwen, Pandy, Penybont, Talog and Trelech. 

The school has been planned in four units surround the school hall. Two units comprise of classrooms; Foundation Phase learning area and Junior learning area. There are a futher two units, one consisting of the staff area and the second where the Kitchen and school meals are prepared and served.  

Welsh is the official language of the school. It is the only medium of instruction in the Foundation Phase. English is introduced at Key Stage 2. To fulfil the Education Authority’s bilingual policy teaching resources of a high standard are provided to ensure that pupils are able to express themselves fluently and easily, verbally and in writing, in Welsh and in English by the time they transfer to secondary education. 

Children are able to begin school at the beginning of the term before they reach their fourth birthday and receive full-time education.