Complex sentence: Split Rock High School was built in 1918 and served the community until 1950, when it merged with the Camillus, Fairmount, and Warners schools to form the West Genesee School District.
Split into simpler sentences: Split Rock High School was built in 1918 and seved the community. In 1950, the school merged with Camillus, Fairmount, and Warners schools to form the West Genesee School District.