Complex sentence: Rutlish School is a state comprehensive school for boys, formerly a grammar school with the same name originally located on Rutlish Road, Merton Park, and relocated in 1957 on nearby Watery Lane, Merton Park, in southwest London.
Split into simpler sentences: Rutlish School is a state comprehensive school for boys, formerly known as "Rutlish Grammar School". It is on Watery Lane, Merton Park, in southwest London.