My previous name was Zhang Lu, but my parents listened to the fortune teller and changed my name to Zhang Qiuju. I think it's corny, and so do my classmates. I want to change it. ...

It depends on how old you are. If you get your ID card, it will be more difficult to change it in high school because it involves your student status. However, if you want to change it, you can definitely change it. With the consent of your parents, talk to the school teacher about whether it will affect your future student status. Finally, you will go to the police station to ask about the relevant change procedures and where to get the certificate. I wish you a good journey!