Simplify the following text for a Grade 7 native English-speaking person.
Original: The house was used by members of the Royal Family and from 1853 to 1861 Prince Albert arranged for it to be used by the `` National Art Training School '' , later the Royal College of Art .
Simplified: It served as a base for the predecessor of the Royal College of Art , the `` National Art Training School '' . In 1861 , Marlborough House was made the Prince of Wales 's London residence .