People who run cram schools will be fine. It doesn't matter much if you work, but there is no part-time job.
Training institutions, which aim at improving ability, developing skills, academic education, certification training, etc. There is a need for venues and teachers.
It needs to be certified by the competent education department and qualified to run a school by social forces, and the price of its training course needs to be accounted and reported to the education department for approval.
To add courses or change fees, you must apply to the education department and get approval before you can change them.