The RSC is the Royal Shakespeare Company, a British theatre company. Its special work is the plays of William Shakespeare, though it also puts on other plays. It is strongly tied to Stratford-upon-Avon, Shakespeare’s hometown, and it performs in London as well. If you see RSC on a theatre poster in Britain, it is this company: professional actors, large productions, the famous plays. People say the three letters, or they say the full name. It is not a school subject, not a sports club, and not a royal household office.