Complex sentence: Colonel Gray Sr. High School (CGHS), colloquially referred to as "The Gray", is a Canadian secondary school in Charlottetown, Prince Edward Island.for students that attend the school come from the central parts of Queens County, in the City of Charlottetown.
Split into simpler sentences: Colonel Gray Sr. High School (CGHS), colloquially referred to as "The Gray", is a Canadian secondary school in Charlottetown, Prince Edward Island. Its zone includes students from the central parts of Queens County, in the City of Charlottetown.