53 Vict c 40), following which several new Welsh schools were built. The first was completed in 1894 and named Ysgol Syr Hugh Owen. Towards the beginning of the 20th century this policy slowly began to change, partly owing to the efforts of O.M. Edwards when he became chief inspector of schools for Wales in 1907. The Aberystwyth Welsh School () was founded in 1939 by Sir Ifan ap Owen Edwards, the son of O.M. Edwards, as the first Welsh Primary School. The headteacher was Norah Isaac. is still a very successful school, and now there are Welsh-language primary schools all over the country. was established in Rhyl in 1956 as the first Welsh-medium secondary school. Welsh is now widely used in education, with 101,345 children and young people in Wales receiving their education in Welsh medium schools in 2014/15, 65,460 in primary and 35,885 in secondary. 26 per cent of all schools in Wales are defined as Welsh medium schools, with a further 7.3 per cent offering some Welsh-medium instruction to pupils. 22 per cent of pupils are in schools in which Welsh is the primary language of instruction. Under the National Curriculum, it is compulsory that all students study Welsh up to the age of 16 as either a first or a second language. Some students choose to continue with their studies through the medium of Welsh for the completion of their A-levels as well as during their college years. All local education authorities in Wales have schools providing bilingual or Welsh-medium education. The remainder study Welsh as a second language in English-medium schools. Specialist teachers of Welsh called support the teaching of Welsh in the National Curriculum. Welsh is also taught in adult education classes. The Welsh Government has recently set up six centres of excellence in the teaching of Welsh for Adults, with centres in North Wales, Mid Wales, South West, Glamorgan, Gwent, and Cardiff. The ability to speak Welsh or to have Welsh as a qualification is desirable for certain career choices in Wales, such as teaching or customer service. All universities in Wales teach courses in the language, with many undergraduate and post-graduate degree programmes offered in the medium of Welsh, ranging from law, modern languages, social sciences, and also other sciences such as biological sciences. Aberystwyth, Cardiff, Bangor, and Swansea have all had chairs in Welsh since their virtual establishment, and all their