I'm in the same class as my brother.

I am taking a class on classic literature.

He finished fourth-class in the competition.

The victims filed a class action lawsuit against the company.

The concept of class struggle is central to Marxist theory.

She always stays at high-class hotels when she travels.

He always travels first-class when he flies.

The lower class struggles to make ends meet.

The working class is the group of people who earn a living by doing manual labor.

She is a world-class pianist.