The Council has no money! Glasgow is blessed with a population that don't really live within the city limits. The inner city is not so desirable, although it is improving. Most people live in East Renfrewshire, to the South and Dumbartonshire, to the North. That makes for a large area without a massive council tax rate given the area that they have to cover. I live is East Renfrewshire which, i'm led to believe, has the highest rate of council tax payments in the UK. A whopping 96% of residents pay their council tax. The roads are still not great though!!
Traditionally, Glasgow was a little em, dangerous, in the centre so most of the nicer housing and schooling is located in suburbia!