Complex sentence: However, there remains a disparity between the enrollment of boys and girls: from 51.57% and 48.43% in the 1st year for boys and girls, respectively, the enrollment decreases to 46.31% for girls by the end of primary school based on 2010 statistics.
Split into simpler sentences: However, there remains a disparity between the enrollment of boys and girls: from 51.57% and 48.43% in the first year for boys and girls, respectively. The enrollment decreases to 46.31% for girls by the end of primary school based on 2010 statistics.