If no agreement can be reached, you can bring a lawsuit to the court to explain the losses caused by the institution's breach of contract, request the court to judge the institution to refund the deposit or tuition fee, and ask it to compensate part of the liquidated damages.
Legal basis: According to the provisions of Article 188 of the Civil Law of People's Republic of China (PRC), the limitation of action for requesting protection of civil rights from the people's court is three years. Where there are other provisions in the law, those provisions shall prevail. The limitation period of action shall be counted from the date when the creditor knows or should know that the right is damaged and the debtor knows it. Where there are other provisions in the law, those provisions shall prevail. However, the people's court shall not protect the rights that have been damaged for more than 20 years. Under special circumstances, the people's court may decide to extend the time according to the application of the obligee.