The standards of each counseling institution are different. Generally speaking, a class hour is 45 minutes.

The standards of each counseling institution are different. Generally speaking, a class lasts for 45 minutes and a class lasts for 2-3 hours, depending on the age of the children, and the hours of children are less. There are also some counseling institutions, such as online counseling institutions. Generally speaking, a class lasts for 2 hours in senior year and 1.5 hours in junior year, with an interval of 15-20 minutes.