Stanborough School is a coeducational independent day and boarding school in Watford, Hertfordshire, England. Situated in 40 acres of parkland in the village of Garston, it was founded by the Seventh-day Adventist church and remains under the governance of the church. It is a member of the Independent Schools Association. It is a part of the Seventh-day Adventist education system, the world's second largest Christian school system.