Education leaders have expressed concern about educators' moving to different schools--within the same state or in another state--because these moves create costs for the home district and have potential impacts on the equitable distribution of effective educators among schools. However, many states do not routinely monitor mobility among…

This report confirms anecdotal evidence that language teachers do find large classes to be problematic, collates data on class sizes in various parts of the world, and investigates the possibility of defining a large class, at least from the teachers'points of view. The first section is introductory. The second presents findings of a small-scale…