Complex sentence: CHS is a part of IHSAA Class 2A, and is a member of the Mid-Southern Conference; they have won the 2013-2014 Class 2A Southridge Regional Championship, and the 2012-2013 Class 2A Crawford County Sectional.
Split into simpler sentences: CHS is a part of IHSAA Class 2A, and is a member of the Mid-Southern Conference. CHS won the 2013-2014 Class 2A Southridge Regional Championship, and the 2012-2013 Class 2A Crawford County Sectional.