Complex sentence: Timberlane Regional Middle School is the middle school for the Timberlane School District, comprising the towns of Atkinson, Sandown, Plaistow, and Danville, New Hampshire.
Split into simpler sentences: Timberlane Regional Middle School is the middle school for the Timberlane School District. Including the towns Atkinson, Sandown, Plaistow, and Danville, New Hampshire.