Complex sentence: The school is at heart though, a rural school and brings together pupils of all backgrounds and offers a wide range of subjects throughout the year groups that many other schools are unable to, and choose not to, offer.
Split into simpler sentences: The school is at heart though, a rural school and brings together pupils of all backgrounds. Hedingham School does offer a wide range of subjects throughout the year groups that many other schools are unable to, and choose not to, offer.