Legal analysis: Private schools refer to schools or other educational institutions run by social organizations or individuals other than state institutions with non-state financial funds. Specifically, it depends on the content of the equity transfer agreement, and whether it is valid or not is determined in combination with the written agreement.

Legal basis: Article 440th of the Civil Law of People's Republic of China (PRC), the following rights that the debtor or a third party has the right to dispose of can be pledged:

(1) Bills of exchange, promissory notes and checks.

(2) Bonds and certificates of deposit.

(3) Warehouse receipts and bills of lading;

(4) Transferable fund shares and equity;

(5) Transferable intellectual property rights such as the exclusive right to use a registered trademark, patent right and copyright;

(6) Existing and future accounts receivable;

(7) Other property rights that can be pledged according to laws and administrative regulations.