Generally, it varies according to different types. I don't know which question you want to ask.

A cram school refers to a school that is not in the normal curriculum. They are usually used to train students to strengthen a specific subject, such as English and mathematics, in order to cope with a specific exam.

Cram schools are generally private. It is very popular in some places in East Asia, such as Japan, China, South Korea, Taiwan Province Province, Hongkong and Singapore. In fact, in these places, almost their own education system has been formed, and many students will go to cram schools after class.

Some cram schools are designed for students who take re-exams in universities. They can offer a whole year of courses to help students prepare for the next year's exam. Students may stay in the cram school for 65,438+08 hours (65,438+0 days) to study and prepare for retaking the exam.