📍 Penmaen Road, Oakdale, Caerphilly, NP12 0DT
Islwyn High School is a Welsh establishment serving not applicable age pupils, located in Caerphilly. The school has 1,047 pupils enrolled. It was rated Not in follow-up by Estyn in 3 September 2024. The school is administered by Caerphilly local authority. It opened in 1 September 2016.