Complex sentence: St Asaph is now home to Ysgol Glan Clwyd, a Welsh language secondary school that opened in Rhyl in 1956 and moved to St Asaph in 1969; and was the first Welsh medium secondary school in Wales.
Split into simpler sentences: St Asaph is now home to Ysgol Glan Clwyd, a Welsh language secondary school that opened in Rhyl in 1956 and moved to St Asaph in 1969. It was the first Welsh medium secondary school in Wales.