Wellington College Belfast (better known as Wellington College or WCB) is a co-educational grammar school located in Belfast, Northern Ireland. The current principal is Nicola Connery. The school was formed when, in 1990, the all-boys' Annadale Grammar School and the all-girls' Carolan Grammar School merged to become a single co-educational school. The school is named after Arthur Wellesley, 1st Duke of Wellington.