If it is some repeat schools, the start time will be earlier, generally 1~2 weeks in advance.
If you are an international student, you need to consider arranging a bus.
The charge for repeat classes held by regular middle schools will generally be 2~3k.
The fees for repeat schools will be higher, and the expenses for accommodation, equipment use and management are also quite high, as high as 5 K.
In recent years, the Education Bureau has prohibited public middle schools from offering repeat classes.
Some public repeating classes are hidden or have other names.
When choosing a repeat class, we should pay attention to the qualifications of running a school, the strength of teachers, teaching facilities, campus management and other indicators
For other information, please refer to my Tencent Weibo "Star Education".