Complex sentence: BASIS recently announced plans to add four more schools for the 2013-2014 year: one in Ahwatukee, one in Mesa, one in San Antonio, Texas, and a new K-4 program near their original location in Tucson.
Split into simpler sentences: BASIS recently announced plans to add four more schools for the 2013-2014 year. BASIS is also pioneering a new K-4 program at a school that is opening near their original location in Tucson.