Ysgol Gynradd Gymunedol y Wern is situated in the village of Ystalyfera in the Swansea Valley. It is maintained by Neath Port Talbot local authority. There are 154 pupils aged between 3 and 11 years old on roll, including 28 full-time nursery-aged pupils. Pupils are divided between six classes, including two mixed-age classes. Welsh is the main medium of teaching at the school. Approximately 18% of pupils come from Welsh-speaking homes. Approximately 30% are eligible for free school meals, which is higher than the average for Wales. The school has identified 19% of pupils as having additional learning needs. There are no pupils with a statement of special educational needs, and the school has no pupils from an ethnic minority background. The headteacher has been in post since April 2001 and the school was last inspected in March 2010. The permanent headteacher has been on secondment since September 2014 and an acting headteacher has been appointed temporarily to lead the school in his absence. The individual school budget per pupil for Ysgol Gynradd Gymraeg y Wern in 2014-2015 is £3,589. The maximum per pupil in primary schools in Neath Port Talbot is £7,108 and the minimum is £2,863. Ysgol Gynradd Gymraeg y Wern is in 31st place of the 66 primary schools in Neath Port Talbot in terms of the school budget per pupil.