Complex sentence: In June 2014 the first cohort of IB DP graduates completed their studies and achieved an average IB DP score of 33 and 50% entered the world's top 50 universities.
Split into simpler sentences: In June 2014 the first cohort of IB DP graduates completed their studies. They achieved an average IB DP score of 33 and 50% entered the world's top 50 universities.