Complex sentence: Sigma Chi (ΣΧ) is one of the largest Greek-letter social fraternities in North America with more than 240 active chapters in the United States and Canada and more than 300,000 initiates.
Split into simpler sentences: Sigma Chi (ΣΧ) is one of the largest Greek-letter social fraternities in North America. There are 239 active chapters in the United States and Canada and more than 300,000 initiates.