What is "bluecoat school"

A Bluecoat school is a type of charity school, the first of which was founded in the 16th century. Most of these have closed, some remain open as schools, often on different sites, and some of the original buildings have been adapted for other purposes. They are known as "bluecoat schools" because of the distinctive blue uniform originally worn by the pupils. The colour blue was traditionally the colour of charity, and was a common colour for clothing at the time. The uniform included a blue frock coat, and yellow stockings with white bands.