Complex sentence: Shady Grove Middle School, one of the two middle schools in the Magruder High School Cluster, serves students from Candlewood Elementary, Flower Hill Elementary, and Mill Creek Towne Elementary Schools.
Split into simpler sentences: Shady Grove Middle School is one of the two middle schools in the Magruder High School Cluster. It serves students from Candlewood Elementary, Flower Hill Elementary, and Mill Creek Towne Elementary Schools.