Complex sentence: The school was built for the village in 1862 and held 68 children, it has since been extended over the years and in 1992 an extension increased the school's capacity to 460 children.
Split into simpler sentences: The school was built for the village in 1862 and held 68 children. It has since been extended over the years and in 1992 an extension increased the school's capacity to 460 children.