Complex sentence: Currently, the school is'Co-Ed' up to Year 3-girls will be admitted throughout the entire school as of September 2008 with around 450 pupils aged between 4 and 13.
Split into simpler sentences: Currently, the school is'Co-Ed' up to Year 3-girls will be admitted throughout the entire school as of September 2008. Crosfields has around 450 pupils aged between 4 and 13.