Legal analysis: If the training institution is a company and its assets are insolvent, it can apply for bankruptcy liquidation. Students' class fees should be refunded. A legal person has independent personality and property. Therefore, the bankruptcy of a company generally does not require the legal representative to bear joint and several liability, but it is stipulated that he shall not be the legal representative, director, supervisor or senior manager of other enterprises within a certain period of time.

Legal basis: Enterprise Bankruptcy Law of the People's Republic of China.

Article 2 If an enterprise as a legal person is unable to pay off its due debts, its assets are insufficient to pay off all its debts or it obviously lacks solvency, it shall clear up its debts in accordance with the provisions of this Law.

An enterprise as a legal person may be reorganized in accordance with the provisions of this law if it has the circumstances specified in the preceding paragraph or obviously loses its solvency.

Article 48 Creditors shall declare their creditor's rights to the administrator within the time limit specified by the people's court.

There is no need to declare the wages, medical care, disability allowance and pension expenses owed by the debtor to employees, the basic pension insurance and basic medical insurance expenses owed to employees' personal accounts, and the compensation that should be paid to employees according to laws and administrative regulations. After investigation, the administrator will make a list and publicize it. If the employee disagrees with the list, he can ask the manager to correct it; If the manager refuses to make corrections, the employees may bring a lawsuit to the people's court.

Article 49 When declaring creditor's rights, the creditor shall state in writing the amount of creditor's rights and whether there is property guarantee or not, and submit relevant evidence. If the declared creditor's rights are joint and several, it shall be stated.