Some of the schools are so large that they occupy several high-rises, while others consist simply of a couple of teachers and classrooms.
以東京來說，語言學校多分佈在池袋、新宿、涉谷等人口密集的商業區，但是這些語言學校卻是良莠不齊，有的規模甚大，授課大樓好幾棟；也有些僅二、三間教室，一兩名老師。