There are great differences in the area of teachers in different regions or with different functions. The podium covers an area of 554 square centimeters. The platform area of ordinary primary school teachers is stipulated by the state. The area of each classroom is not less than 54 square meters.

There are many types and functions of classrooms in university classrooms, and there are no fixed standards, and each school will have small differences. The most common ones are 7 meters long and 6 meters wide. Generally speaking, large classrooms in universities are ladder classrooms, which can accommodate about 200 to 260 people, and small classrooms can generally accommodate about 60 to 100 people. Overall, the large classroom area is about 400 square meters, and the small classroom area is about 200 square meters.