It opened in 1970 as the first purpose - built comprehensive school in Wales .
Llanedeyrn High School ( Welsh : Ysgol Uwchradd Llanedeyrn ) was a comprehensive school located in the Llanedeyrn area of Cardiff , Wales .
Llanedeyrn High School opened in 1970 as the first purpose - built comprehensive school in Wales .
Llanedeyrn High School ( Welsh : Ysgol Uwchradd Llanedeyrn ) was a comprehensive school located in the Llanedeyrn area of Cardiff , Wales .