a. Prove your purpose to America and financial ability
Of course, your interview for a visa to study abroad. However, you need to prove it to the person who reviewed the application. The reviewer will review your transcript and ask you a few questions during the interview to confirm your intention to study in the US, not another purpose.
Financially, you need to prove you can afford to pay for studying and living while studying in the US. You need to prepare your parents' passbook at the bank. This passbook will prove that your parents are well prepared for your study plan and able to pay for your initial expenses.
Documents relating to savings, assets, and proof of parents' monthly income are also needed and must be provided.
b. Interview with the US study abroad
Studying in the US is an important step in the visa application process after you have prepared all the documents. In fact, the secret is to be calm, keep the spirit of comfort, then interviewing the US visa will not be as scary as you think.
If necessary, you can refer to the US study interview questions or experience of studying abroad in the US is available a lot online to better understand the process.
If you are 17 years old, you can come to an interview alone, but under 17, you will need to be accompanied by a parent, legal guardian.