Complex sentence: The series uses a round-robin format, meaning that each school competing has two chances to battle for the prizes, elimination stages soon follow when the series finals draw near, which ultimately leads to one of the schools winning the major prize.
Split into simpler sentences: The series uses a round-robin format, meaning that each school competing has two chances to battle for the prizes. Elimination stages soon follow when the series finals draw near, which ultimately leads to one of the schools winning the major prize.