Written by an "Old Ruymian", or old boy of the school, this Third Edition of the book details how Chatham House Grammar School grew from its earliest beginnings to its current co-educational status as Chatham & Clarendon Grammar School. It details to history of many of the Head Teachers, famous "old boys", the school day and curriculum and the School's various incarnations from its 18th century beginnings. It is a 'must read' for all current and past students of the school; giving the reader a clear insight into the school in which they were educated.