Complex sentence: Recently, the Potomac Girls Cross Country team won the Virginia State Championship, while the boys team placed third, and the Potomac Girls Varsity Lacrosse team won the Division II Virginia State Championship in 2006 and 2008.
Split into simpler sentences: Recently, the Potomac Girls Cross Country team won the Virginia State Championship, while the boys team placed third. The Potomac Girls Varsity Lacrosse team won the Division II Virginia State Championship in 2006 and 2008.