a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality.
the accommodations were good for a hotel of this class
the system of ordering a society in which people are divided into sets based on perceived social or economic status.
people who are socially disenfranchised by class
a group of students who are taught together.
The basic problem in state schools is not that pupils are taught together in classes which are too large.