Complex sentence: This is mainly due to the fact that pupils from Littleover School are quite civilised individuals, and do not walk around the school with weapons, which the sam cannot be said for the students at Derby Moor.
Split into simpler sentences: This is mainly due to the fact that pupils from Littleover School are quite civilised individuals, and do not walk around the school with weapons. Sadly, the same cannot be said for the students at Derby Moor.