Complex sentence: The baseball team won a State Championship in 2004, and were runners-up in 2009, also in 2009, the girl's ice hockey team won the Division 1 NHIAA girl's ice hockey title.
Split into simpler sentences: The baseball team won a State Championship in 2004, and were runners-up in 2009. Also in 2009, the girl's ice hockey team won the Division 1 NHIAA girl's ice hockey title.