As part of Torfaen County's 21st century programme, Llantarnam closed in 2015 and was merged with Fairwater High on the latter site to form the larger Cwmbran High School.
As part of Torfaen County's 21st-century development plan, Llantarnam closed in 2015 and was merged with Fairwater High to create the larger Cwmbran High School.