Class Sizes

How many students are in a class can have a powerful impact on how effective a teacher can be. Students each have their own level of ability and optimum way of learning. Having too many students in a class can make it far more difficult to teach any of them well.

Consider a class in which half of the students learn best in a more structured environment and half the students learn best in an unstructured environment. Even a simple division like this means a large increase in the amount of work...