Complex sentence: Wisbech Grammar School is a mixed independent school in Wisbech, Cambridgeshire for ages 11 to 18, and a member of the Headmasters'and Headmistresses' Conference.
Split into simpler sentences: Wisbech Grammar School is a mixed independent school in Wisbech, Cambridgeshire for ages 11 to 18. It is a member of the Headmasters'and Headmistresses' Conference.