Complex sentence: The current mayor of Patchogue, Paul Pontieri, was a vice-principal of the neighboring South Country School District's Bellport High School for many years and served as a vice-principal at Ward Melville High School, in Three Village School District.
Split into simpler sentences: The current mayor of Patchogue, Paul Pontieri, was a vice-principal of the neighboring South Country School District's Bellport High School for many years. He has also served as a vice-principal at Ward Melville High School, in Three Village School District.