The payment method of after-school extension fee in Kaizhou District is as follows:

Pay by Alipay or WeChat. There are five steps:

1. Open the software and enter the Civic Center.

2. Access to education services.

3. Pay for primary and secondary education.

4. Enter the query payment, and select the payment to view the details.

5. Confirm the order payment, click Pay Now, and pay after password verification.

The above information is for reference only. If you can't solve it, you can contact relevant departments or professionals.