Complex sentence: Ygnacio Valley High School (YVHS) is a public secondary school located in Concord, California, although it also draws its students from the neighboring communities of Walnut Creek and Pleasant Hill.
Split into simpler sentences: Ygnacio Valley High School (YVHS) is a public secondary school located in Concord, California. It draws students from Concord as well as from the neighboring communities of Walnut Creek and Pleasant Hill.