Trafalgar School (formerly City of Portsmouth Boys' School) is a coeducational secondary school located in Portsmouth, Hampshire, England. The school is on London Road in the Portsmouth northern sub district of Hilsea. The current comprehensive school, established in 1975, was the product of an amalgamation of four separate secondary schools in the west of the City of Portsmouth. Formerly a boys' school, the school became coeducational in September 2015.