Complex sentence: Charter Oak Unified School District (COUSD), is a high performance unified school district located in Covina, California, serving students in the cities of Covina, Glendora and San Dimas.
Split into simpler sentences: Charter Oak Unified School District (COUSD), is a unified school district located in Covina, California. COUSD serves students in portions of the cities of Covina, Glendora and San Dimas.