Complex sentence: The school was originally founded in 1575 and was housed in one of the church's out buildings the comprehensive seen today was formed in 1967 by amalgamating the existing Ruabon Boys' Grammar School and the Ruabon Girls' Grammar School.
Split into simpler sentences: The school was founded in 1575 and was housed in one of the church's outbuildings. The comprehensive seen today was formed in 1967 by amalgamating the existing Ruabon Boys' Grammar School and the Ruabon Girls' Grammar School.