Complex sentence: In 2010, the team defeated Mahwah High School to win the Bergen County Championship, but the team lost in the regional semi-finals, ending its season as one of the top ten teams in the state.
Split into simpler sentences: In 2010, the team defeated Mahwah High School to win the Bergen County Championship. The team then lost in the regional semi-finals, ending its season as one of the top ten teams in the state.