Complex sentence: An upper school in the town, County Upper School, has one of its year halves named after Jocelyn, the other being called Edmund, after the martyred king Saint Edmund, who was buried at the abbey.
Split into simpler sentences: An upper school in the town, County Upper School, has one of its year halves named after Jocelyn. The other being called Edmund, after the martyred king Saint Edmund, who was buried at the abbey.