1. Call 123 15 to report the complaint. ("123 15" consumer complaint hotline is a special telephone number set up by the State Administration for Industry and Commerce nationwide with the strong support of the former Ministry of Information Industry. Dialing situation of 12306:
(1) When your rights and interests are infringed and the respondent is under the jurisdiction of the administrative department for industry and commerce;
(2) When your legitimate rights and interests are violated in the process of consumption;
(3) when discovering fake and shoddy goods and "black dens" for manufacturing and selling fake and shoddy goods.
Obviously, you belong to the first rule here, and your rights and interests have been violated.
2. You can complain to the local education bureau or to the website of the local education bureau.
3. If the above two methods have no effect, then you can only post the news of the school's arbitrary charges on the Internet and get the support of public opinion, thus forcing the school to carry out rectification.
Baidu Love Rabbit, a help-seeking platform that provides free personal assistant services in Shenzhen, will have someone contact you for consultation according to your requirements and give you the final plan. My answer may not be perfect, please forgive me and hope to adopt it.