Complex sentence: Varadkar was educated at the St Francis Xavier National School, Blanchardstown, then at the fee-paying King's Hospital School in Palmerstown, which is operated under the ethos of the Church of Ireland.
Split into simpler sentences: Varadkar was educated at the St. Francis Xavier National School, Blanchardstown. He attended the fee-paying King's Hospital School in Palmerstown which is operated under the ethos of the Church of Ireland.