middle class

'I was as polite to him as his breath would allow...'. So wrote Jane Austen in a letter to her sister Cassandra, displaying
Middle-class Scottish school leavers face losing out on a university place to youngsters from poorer backgrounds even if
The malaise of middle class parenting equals the abdication of parental responsibility.
In this day and age, just how relevant are the concepts of class and is it ok to be on the side of cheap and cheerful?