Complex sentence: The Donovan Catholic sailing team won the NJ State High School Sailing Championship in 2005,2006 and 2007, they have also won the CT State High School Sailing Championship in 2005 and 2008.
Split into simpler sentences: The Donovan Catholic sailing team won the New Jersey High School Sailing Championship in 2005,2006 and 2007. They also won the CT State High School Sailing Championship in 2005 and 2008.