Complex sentence: Starting in the 2011-2012 season, SFU competed in the NCAA's Division II Great Northwest Athletic Conference (GNAC) and has now transitioned all 19 Simon Fraser Clan teams into the NCAA.
Split into simpler sentences: Starting in the 2011-2012 season, SFU will be competing in the NCAA's Division II Great Northwest Athletic Conference (GNAC). Once completed, the transition will move all 19 Simon Fraser Clan teams into the NCAA.