Yes, there are at least four classes; upper, lower, middle, working ect.... People can be put into a class by two ways, objective or subjective. Objective is when you use certain criteria such as occupation, education, or income. With objective, the author is decides which social class you are in. With subjective you would ask the people what class they think they are in. One of the biggest effects on where people are placed is how far they went in school. Statistics show that people who have a college degree end up making a higher yearly wage. There are social classes in america but it does not mean that people live by them.