They are both under the same roof, but the two classes of boys never come in contact.
Beginning in the mid-1970s, a new class of small computers came onto the marketplace.
His international class of students come from all over the world to study with him in Enschede.
This seemed to be where the various classes of the city came together.
This class came to be widely seen as a mistake.
The middle classes came first to where they wanted to live; the good local school is a consequence not a cause.
The working class did not come uptown any more to see how we were taking the strike.
Jack's class had come through one day earlier, but with the same instructions.
With the growth of industry in the first part of the century, a new middle class had come into being.
For technology lessons, the two classes come together to study with each other.