You can call the Education Bureau to report it. Legal basis: Article 5 of the Education Law of the People's Republic of China stipulates that teachers shall not use holidays and rest time to organize students to take classes collectively and make up lessons, and shall not require and organize students to participate in various subject remedial classes and subject competitions in a unified manner. The Ministry of Education requires local education administrative departments and schools at all levels to standardize teachers' professional behavior according to law, strengthen teachers' management, and resolutely correct some teachers' wrong practices of focusing on making up lessons outside the school.

1. Collect evidence: collect all evidence related to expenses, including payment documents, notices, contracts, etc. Ensure that the facts of arbitrary charges can be effectively proved.

2. Communication with the school: First, try to communicate with the school charge department, explain the problems in detail, and provide the collected evidence. Ask the other party to explain the basis of the charge and ask for a refund of the overcharged fee.

3. Contact the education authorities: If communication with the school fails to solve the problem, you can complain to the local education authorities. Submit relevant evidence, detailing the situation of arbitrary charges. The education authorities will investigate and deal with this.

4. Seek legal aid: If the above methods can't solve the problem, you can consult a lawyer for legal aid. Lawyers can help evaluate cases and guide further legal actions.

In the process of solving the problem of arbitrary charges, students and parents need to remain calm and rational, insist on safeguarding their own rights and interests, and abide by legal procedures and regulations.

If there is a problem of arbitrary charges in schools, students and parents can take the following measures to solve it:

Collect all evidence related to expenses, including payment documents, notices, contracts, etc. Ensure that the facts of arbitrary charges can be effectively proved. At the same time, we should pay attention to keeping these evidences for future use.

First of all, try to communicate with the school charge department, explain the problem in detail and provide the collected evidence. Ask the other party to explain the basis of the charge and ask for a refund of the overcharged fee. In the process of communication, be polite and rational, try to communicate in writing or face to face, and leave communication records.

In the process of solving the problem of arbitrary charges, students and parents need to remain calm and rational, insist on safeguarding their own rights and interests, and abide by legal procedures and regulations. Before taking action, it is best to consult relevant professionals and choose the most suitable solution. In addition, it is suggested that students and parents actively participate in the management and supervision of the school and establish good communication channels to prevent and solve similar problems.