1. Contact the school: you can provide personal information (such as name, ID number, student number, etc. ) by contacting the academic affairs office, examination office or class teacher of your school. They should be able to help you find your seat number.

2. Online service platform for senior high school entrance examination: Some areas may provide online service platform for seat number inquiry of senior high school entrance examination. You can log on to the official website of the local education department or examination management institution to find out whether there is any relevant online inquiry function, and enter the necessary personal information according to the prompt for inquiry.

3. Class group or classmate exchange group: If you join a class group or classmate exchange group, you can ask other students in the group if they know their seat number, and ask them to inform you or help you to inquire.