Complex sentence: Over the course of each year, students participate in inter-house competitions for the Wesley Cup--competitions include swimming, athletics, rowing, chess, debating, music and drama performances, and year level lunchtime sports.
Split into simpler sentences: Over the course of each year, students participate in inter-house competitions for the Wesley Cup. Competitions include swimming, athletics, rowing, chess, debating, music and drama performances, and year level lunchtime sports.