Complex sentence: The next major development for the college was in 2005 when they opened the college's WISE Campus (West of England Institute of Specialised Education) at a cost of £17.5 million which is dedicated to performing arts, fine art and sport.
Split into simpler sentences: The next major development for the college was in 2005 when the WISE Campus (West of England Institute of Specialised Education) was opened, at a cost of £17.5 million. It is dedicated to performing arts, fine art and sport.