Complex sentence: A new Katy Elementary was completed at the site of the district's first permanent school along with a full-service cafeteria, the building next to Katy High School was renamed Katy Junior High and served sixth through eighth grades.
Split into simpler sentences: A new Katy Elementary was completed at the site of the district's first permanent school, along with a full-service cafeteria. The building next to Katy High School was renamed Katy Junior High and served sixth through eighth grades.