Complex sentence: Skool of Skills, based in Chicago, Illinois, is a non-profit organization which focuses on providing educational assistance-including tutoring, computer training, career development, and scholastic test preparation-for inner-city youth.
Split into simpler sentences: Skool of Skills, based in Chicago, Illinois, is a non-profit organization. The focus of Skool of Skills is to provide educational assistance, including tutoring, computer training, career development, and scholastic test preparation for inner-city youth.