Complex sentence: The Coed Cheerleading squad won in 2011 and 2014, and came in second in 2017 at the College Cheerleading National Championship in Division IA while the All-Girl Squad won the 2014 and placed second in 2017 in the All-Girl IA Championship.
Split into simpler sentences: The Coed Cheerleading squad won in 2011 and 2014, and came in second in 2017 at the College Cheerleading National Championship in Division IA. The All-Girl Squad won in 2014 and placed second in 2017 in the All-Girl IA Championship.