In this town, the school district is divided into three divisions.
This is a problem of budget classification, so I have nothing to do with it.
I don’t think it’s necessary to distinguish terrorism from legitimate warfare.
Think about a part of the district. Separate them out in your mind (these parts). Each part is a division of the district. You can also take each division and create a classification of them. Go ahead and classify each one.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.