Chatham & Clarendon Grammar School is a co-educational grammar school in Ramsgate, Kent, England, formed as a result of the merger of the boys-only Chatham House Grammar School and girls-only Clarendon House Grammar School in September 2011. Chatham and Clarendon Grammar School is based across three main sites. The Chatham House site is where Year 7, 8 and 9 students are based, whereas Year 10 and 11 are based at the Clarendon House site. The Sixth Form Centre is where the Sixth Form students are based, but regularly have lessons across all three sites.