Complex sentence: Students from years 7-10 and the Sixth Form have the opportunity to spend a week at the centre once a year, the centre offers climbing, sailing, canoeing, caving, orienteering, environmental and field studies.
Split into simpler sentences: Students from years 7-10 and the Sixth Form have the opportunity to spend a week at the centre once a year. The centre's activities are climbing, sailing, canoeing, caving, orienteering, environmental and field studies.